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Understanding BGP Hijacking
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What Is BGP Hijacking? How Route Hijacks Work, Famous Incidents, and How Networks Prevent Them

BGP hijacking is the illegitimate takeover of traffic destined for IP address space, carried out by announcing routes for prefixes the announcer is not authorized to originate. Also called prefix hijacking, route hijacking, or IP hijacking, it corrupts the Internet’s routing tables themselves: networks around the world are told that the wrong party can deliver traffic for an address block, and they believe it. This makes hijacking fundamentally differentRead more Related Posts What Is BGP Hijacking? How Route Hijacks Work, Famous Incidents, and How Networks Prevent Them BGP hijacking is the illegitimate takeover of traffic destined for IP address space, carried out by announcing routes for prefixes Which RIRs Support Inter-RIR IPv4 Transfers in 2026? IPv4 addresses may be globally routable, but transferring their registration from one organization to another is governed by Regional Internet What Is BGP? How Border Gateway Protocol Turns IP Addresses into Reachable Services BGP (Border Gateway Protocol) is the routing protocol that connects independent networks across the Internet. It allows networks to announce .related-post {} .related-post .post-list { text-align: left; } .related-post .post-list .item { margin: 5px; padding: 10px; } .related-post .headline { font-size: 18px !important; color: #999999 !important; } .related-post .post-list .item .post_thumb { max-height: 220px; margin: 10px 0px; padding: 0px; display: block; } .related-post .post-list .item .post_title { font-size: 16px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } .related-post .post-list .item .post_excerpt { font-size: 13px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } @media only screen and (min-width: 1024px) { .related-post .post-list .item { width: 30%; } } @media only screen and (min-width: 768px) and (max-width: 1023px) { .related-post .post-list .item { width: 90%; } } @media only screen and (min-width: 0px) and (max-width: 767px) { .related-post .post-list .item { width: 90%; } }

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rir
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Which RIRs Support Inter-RIR IPv4 Transfers in 2026?

IPv4 addresses may be globally routable, but transferring their registration from one organization to another is governed by Regional Internet Registry (RIR) policy. For organizations buying or selling IPv4 address space internationally, this creates an important question: Which RIRs support inter-RIR IPv4 transfers in 2026? As of August 2026, ARIN, RIPE NCC, APNIC, and LACNIC have established frameworks for inter-RIR IPv4 transfers, subject to compatibility between the RIRs andRead more Related Posts What Is BGP Hijacking? How Route Hijacks Work, Famous Incidents, and How Networks Prevent Them BGP hijacking is the illegitimate takeover of traffic destined for IP address space, carried out by announcing routes for prefixes Which RIRs Support Inter-RIR IPv4 Transfers in 2026? IPv4 addresses may be globally routable, but transferring their registration from one organization to another is governed by Regional Internet What Is BGP? How Border Gateway Protocol Turns IP Addresses into Reachable Services BGP (Border Gateway Protocol) is the routing protocol that connects independent networks across the Internet. It allows networks to announce .related-post {} .related-post .post-list { text-align: left; } .related-post .post-list .item { margin: 5px; padding: 10px; } .related-post .headline { font-size: 18px !important; color: #999999 !important; } .related-post .post-list .item .post_thumb { max-height: 220px; margin: 10px 0px; padding: 0px; display: block; } .related-post .post-list .item .post_title { font-size: 16px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } .related-post .post-list .item .post_excerpt { font-size: 13px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } @media only screen and (min-width: 1024px) { .related-post .post-list .item { width: 30%; } } @media only screen and (min-width: 768px) and (max-width: 1023px) { .related-post .post-list .item { width: 90%; } } @media only screen and (min-width: 0px) and (max-width: 767px) { .related-post .post-list .item { width: 90%; } }

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What is Reverse DNS
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What Is Reverse DNS (rDNS)? Why PTR Records Matter for Email, Hosting, and Leased IPv4

Reverse DNS (rDNS) is the process of resolving an IP address back to a domain name. It is the mirror image of the DNS lookups most people know: forward DNS translates a name like mail.example.com into an IP address, while reverse DNS translates an IP address back into a name. The record type that stores this answer is called a PTR record. For most of the Internet’s history, reverseRead more Related Posts What Is BGP Hijacking? How Route Hijacks Work, Famous Incidents, and How Networks Prevent Them BGP hijacking is the illegitimate takeover of traffic destined for IP address space, carried out by announcing routes for prefixes Which RIRs Support Inter-RIR IPv4 Transfers in 2026? IPv4 addresses may be globally routable, but transferring their registration from one organization to another is governed by Regional Internet What Is BGP? How Border Gateway Protocol Turns IP Addresses into Reachable Services BGP (Border Gateway Protocol) is the routing protocol that connects independent networks across the Internet. It allows networks to announce .related-post {} .related-post .post-list { text-align: left; } .related-post .post-list .item { margin: 5px; padding: 10px; } .related-post .headline { font-size: 18px !important; color: #999999 !important; } .related-post .post-list .item .post_thumb { max-height: 220px; margin: 10px 0px; padding: 0px; display: block; } .related-post .post-list .item .post_title { font-size: 16px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } .related-post .post-list .item .post_excerpt { font-size: 13px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } @media only screen and (min-width: 1024px) { .related-post .post-list .item { width: 30%; } } @media only screen and (min-width: 768px) and (max-width: 1023px) { .related-post .post-list .item { width: 90%; } } @media only screen and (min-width: 0px) and (max-width: 767px) { .related-post .post-list .item { width: 90%; } }

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Border Gateway Protocol
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What Is BGP? How Border Gateway Protocol Turns IP Addresses into Reachable Services

BGP (Border Gateway Protocol) is the routing protocol that connects independent networks across the Internet. It allows networks to announce which IP address blocks they can reach, and it lets every other network decide how to send traffic toward those blocks. Without BGP, an IPv4 address can be registered, allocated, or leased — but no one on the Internet would know how to reach it. For businesses, this distinctionRead more Related Posts What Is BGP Hijacking? How Route Hijacks Work, Famous Incidents, and How Networks Prevent Them BGP hijacking is the illegitimate takeover of traffic destined for IP address space, carried out by announcing routes for prefixes Which RIRs Support Inter-RIR IPv4 Transfers in 2026? IPv4 addresses may be globally routable, but transferring their registration from one organization to another is governed by Regional Internet What Is Reverse DNS (rDNS)? Why PTR Records Matter for Email, Hosting, and Leased IPv4 Reverse DNS (rDNS) is the process of resolving an IP address back to a domain name. It is the mirror .related-post {} .related-post .post-list { text-align: left; } .related-post .post-list .item { margin: 5px; padding: 10px; } .related-post .headline { font-size: 18px !important; color: #999999 !important; } .related-post .post-list .item .post_thumb { max-height: 220px; margin: 10px 0px; padding: 0px; display: block; } .related-post .post-list .item .post_title { font-size: 16px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } .related-post .post-list .item .post_excerpt { font-size: 13px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } @media only screen and (min-width: 1024px) { .related-post .post-list .item { width: 30%; } } @media only screen and (min-width: 768px) and (max-width: 1023px) { .related-post .post-list .item { width: 90%; } } @media only screen and (min-width: 0px) and (max-width: 767px) { .related-post .post-list .item { width: 90%; } }

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How DDoS Mitigation Works
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How DDoS Mitigation Works: Scrubbing, BGP Diversion, Anycast, and What Network Operators Should Prepare

DDoS mitigation is the set of techniques used to keep services online during a distributed denial-of-service attack — by absorbing, diverting, filtering, or discarding attack traffic before it overwhelms the target. Detection tells you an attack is happening; mitigation is what keeps customers connected while it does. Most explanations of DDoS focus on the attack side: the types, the botnets, the traffic volumes. We cover that ground in ourRead more Related Posts What Is BGP Hijacking? How Route Hijacks Work, Famous Incidents, and How Networks Prevent Them BGP hijacking is the illegitimate takeover of traffic destined for IP address space, carried out by announcing routes for prefixes Which RIRs Support Inter-RIR IPv4 Transfers in 2026? IPv4 addresses may be globally routable, but transferring their registration from one organization to another is governed by Regional Internet What Is Reverse DNS (rDNS)? Why PTR Records Matter for Email, Hosting, and Leased IPv4 Reverse DNS (rDNS) is the process of resolving an IP address back to a domain name. It is the mirror .related-post {} .related-post .post-list { text-align: left; } .related-post .post-list .item { margin: 5px; padding: 10px; } .related-post .headline { font-size: 18px !important; color: #999999 !important; } .related-post .post-list .item .post_thumb { max-height: 220px; margin: 10px 0px; padding: 0px; display: block; } .related-post .post-list .item .post_title { font-size: 16px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } .related-post .post-list .item .post_excerpt { font-size: 13px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } @media only screen and (min-width: 1024px) { .related-post .post-list .item { width: 30%; } } @media only screen and (min-width: 768px) and (max-width: 1023px) { .related-post .post-list .item { width: 90%; } } @media only screen and (min-width: 0px) and (max-width: 767px) { .related-post .post-list .item { width: 90%; } }

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ipv4-planning
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IPv4 Planning for AI Infrastructure and GPU Cloud Providers

IPv4 Planning for AI Infrastructure and GPU Cloud Providers AI infrastructure planning often begins with GPUs. Operators compare accelerator models, cluster size, power density, cooling, storage throughput, interconnect performance, and data-center capacity. These decisions are essential, but they do not complete the infrastructure plan. A GPU cloud also needs a reliable addressing strategy. Customers must reach inference APIs, training environments, management portals, gateways, storage services, observability platforms, VPN endpoints, Related Posts What Is BGP Hijacking? How Route Hijacks Work, Famous Incidents, and How Networks Prevent Them BGP hijacking is the illegitimate takeover of traffic destined for IP address space, carried out by announcing routes for prefixes Which RIRs Support Inter-RIR IPv4 Transfers in 2026? IPv4 addresses may be globally routable, but transferring their registration from one organization to another is governed by Regional Internet What Is Reverse DNS (rDNS)? Why PTR Records Matter for Email, Hosting, and Leased IPv4 Reverse DNS (rDNS) is the process of resolving an IP address back to a domain name. It is the mirror .related-post {} .related-post .post-list { text-align: left; } .related-post .post-list .item { margin: 5px; padding: 10px; } .related-post .headline { font-size: 18px !important; color: #999999 !important; } .related-post .post-list .item .post_thumb { max-height: 220px; margin: 10px 0px; padding: 0px; display: block; } .related-post .post-list .item .post_title { font-size: 16px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } .related-post .post-list .item .post_excerpt { font-size: 13px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } @media only screen and (min-width: 1024px) { .related-post .post-list .item { width: 30%; } } @media only screen and (min-width: 768px) and (max-width: 1023px) { .related-post .post-list .item { width: 90%; } } @media only screen and (min-width: 0px) and (max-width: 767px) { .related-post .post-list .item { width: 90%; } }

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ipv4-hijacking
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How to Prevent IPv4 Hijacking During a Transfer: 10 Security Steps

Transferring IPv4 address space is not only a commercial and registry process. It is also a sensitive routing operation. During an IPv4 transfer, control of a prefix moves from one organization to another. Registry records, Route Origin Authorizations, Internet Routing Registry objects, upstream-provider filters, reverse DNS settings, and live BGP announcements may all need to change. When these changes are completed in the wrong order—or when identity and authorizationRead more Related Posts What Is BGP Hijacking? How Route Hijacks Work, Famous Incidents, and How Networks Prevent Them BGP hijacking is the illegitimate takeover of traffic destined for IP address space, carried out by announcing routes for prefixes Which RIRs Support Inter-RIR IPv4 Transfers in 2026? IPv4 addresses may be globally routable, but transferring their registration from one organization to another is governed by Regional Internet What Is Reverse DNS (rDNS)? Why PTR Records Matter for Email, Hosting, and Leased IPv4 Reverse DNS (rDNS) is the process of resolving an IP address back to a domain name. It is the mirror .related-post {} .related-post .post-list { text-align: left; } .related-post .post-list .item { margin: 5px; padding: 10px; } .related-post .headline { font-size: 18px !important; color: #999999 !important; } .related-post .post-list .item .post_thumb { max-height: 220px; margin: 10px 0px; padding: 0px; display: block; } .related-post .post-list .item .post_title { font-size: 16px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } .related-post .post-list .item .post_excerpt { font-size: 13px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } @media only screen and (min-width: 1024px) { .related-post .post-list .item { width: 30%; } } @media only screen and (min-width: 768px) and (max-width: 1023px) { .related-post .post-list .item { width: 90%; } } @media only screen and (min-width: 0px) and (max-width: 767px) { .related-post .post-list .item { width: 90%; } }

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ipv4-lease
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Why the Cheapest IPv4 Lease May Cost More in the Long Run

A low monthly price may look attractive during procurement, but the real cost of leased IPv4 addresses includes much more than the advertised rate. Poor IP reputation, incomplete routing authorisation, deployment delays, weak technical support, incorrect geolocation and uncertain renewal terms can quickly erase the initial saving. For testing or short-lived projects, a basic low-cost IPv4 lease may be sufficient. For production networks, however, businesses should evaluate the totalRead more Related Posts What Is BGP Hijacking? How Route Hijacks Work, Famous Incidents, and How Networks Prevent Them BGP hijacking is the illegitimate takeover of traffic destined for IP address space, carried out by announcing routes for prefixes Which RIRs Support Inter-RIR IPv4 Transfers in 2026? IPv4 addresses may be globally routable, but transferring their registration from one organization to another is governed by Regional Internet What Is Reverse DNS (rDNS)? Why PTR Records Matter for Email, Hosting, and Leased IPv4 Reverse DNS (rDNS) is the process of resolving an IP address back to a domain name. It is the mirror .related-post {} .related-post .post-list { text-align: left; } .related-post .post-list .item { margin: 5px; padding: 10px; } .related-post .headline { font-size: 18px !important; color: #999999 !important; } .related-post .post-list .item .post_thumb { max-height: 220px; margin: 10px 0px; padding: 0px; display: block; } .related-post .post-list .item .post_title { font-size: 16px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } .related-post .post-list .item .post_excerpt { font-size: 13px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } @media only screen and (min-width: 1024px) { .related-post .post-list .item { width: 30%; } } @media only screen and (min-width: 768px) and (max-width: 1023px) { .related-post .post-list .item { width: 90%; } } @media only screen and (min-width: 0px) and (max-width: 767px) { .related-post .post-list .item { width: 90%; } }

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ipv4-deals
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What causes IPv4 deals to stall after the first agreement

IPv4 deals usually stall after the first agreement because agreeing on price is only the commercial beginning—not operational completion. A buyer and seller may agree on a block and price within hours, but the transaction can still be delayed by unclear ownership, incomplete documents, mismatched Regional Internet Registry requirements, recipient eligibility, reputation concerns, payment conditions, or missing routing authorization. The most common causes are: The seller’s authority over theRead more Related Posts What Is BGP Hijacking? How Route Hijacks Work, Famous Incidents, and How Networks Prevent Them BGP hijacking is the illegitimate takeover of traffic destined for IP address space, carried out by announcing routes for prefixes Which RIRs Support Inter-RIR IPv4 Transfers in 2026? IPv4 addresses may be globally routable, but transferring their registration from one organization to another is governed by Regional Internet What Is Reverse DNS (rDNS)? Why PTR Records Matter for Email, Hosting, and Leased IPv4 Reverse DNS (rDNS) is the process of resolving an IP address back to a domain name. It is the mirror .related-post {} .related-post .post-list { text-align: left; } .related-post .post-list .item { margin: 5px; padding: 10px; } .related-post .headline { font-size: 18px !important; color: #999999 !important; } .related-post .post-list .item .post_thumb { max-height: 220px; margin: 10px 0px; padding: 0px; display: block; } .related-post .post-list .item .post_title { font-size: 16px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } .related-post .post-list .item .post_excerpt { font-size: 13px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } @media only screen and (min-width: 1024px) { .related-post .post-list .item { width: 30%; } } @media only screen and (min-width: 768px) and (max-width: 1023px) { .related-post .post-list .item { width: 90%; } } @media only screen and (min-width: 0px) and (max-width: 767px) { .related-post .post-list .item { width: 90%; } }

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ipv4-subnet
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What Is a /24 IPv4 Subnet and Why Is It Popular for Leasing?

A /24 IPv4 subnet is one of the most common block sizes in the IPv4 leasing market. For hosting providers, SaaS platforms, VPN operators, ISPs, cloud infrastructure teams, and enterprises, it offers a practical balance between address capacity, routing usability, and cost control. As IPv4 scarcity continues, businesses are no longer treating IP addresses as simple technical resources. IPv4 space has become operational infrastructure. The question is no longerRead more Related Posts What Is BGP Hijacking? How Route Hijacks Work, Famous Incidents, and How Networks Prevent Them BGP hijacking is the illegitimate takeover of traffic destined for IP address space, carried out by announcing routes for prefixes Which RIRs Support Inter-RIR IPv4 Transfers in 2026? IPv4 addresses may be globally routable, but transferring their registration from one organization to another is governed by Regional Internet What Is Reverse DNS (rDNS)? Why PTR Records Matter for Email, Hosting, and Leased IPv4 Reverse DNS (rDNS) is the process of resolving an IP address back to a domain name. It is the mirror .related-post {} .related-post .post-list { text-align: left; } .related-post .post-list .item { margin: 5px; padding: 10px; } .related-post .headline { font-size: 18px !important; color: #999999 !important; } .related-post .post-list .item .post_thumb { max-height: 220px; margin: 10px 0px; padding: 0px; display: block; } .related-post .post-list .item .post_title { font-size: 16px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } .related-post .post-list .item .post_excerpt { font-size: 13px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } @media only screen and (min-width: 1024px) { .related-post .post-list .item { width: 30%; } } @media only screen and (min-width: 768px) and (max-width: 1023px) { .related-post .post-list .item { width: 90%; } } @media only screen and (min-width: 0px) and (max-width: 767px) { .related-post .post-list .item { width: 90%; } }

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lease-ipv4-block
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How to Avoid Downtime When Deploying Leased IPv4 Blocks

Leased IPv4 blocks are often used by hosting providers, cloud platforms, ISPs, SaaS companies, data centers, and enterprise networks that need public IPv4 resources without purchasing address space outright. Leasing can be a practical way to support infrastructure growth, customer services, migration projects, and temporary deployment needs. However, getting access to IPv4 space is only the first step. The real challenge is deploying the leased IPv4 block without causingRead more Related Posts What Is BGP Hijacking? How Route Hijacks Work, Famous Incidents, and How Networks Prevent Them BGP hijacking is the illegitimate takeover of traffic destined for IP address space, carried out by announcing routes for prefixes Which RIRs Support Inter-RIR IPv4 Transfers in 2026? IPv4 addresses may be globally routable, but transferring their registration from one organization to another is governed by Regional Internet What Is Reverse DNS (rDNS)? Why PTR Records Matter for Email, Hosting, and Leased IPv4 Reverse DNS (rDNS) is the process of resolving an IP address back to a domain name. It is the mirror .related-post {} .related-post .post-list { text-align: left; } .related-post .post-list .item { margin: 5px; padding: 10px; } .related-post .headline { font-size: 18px !important; color: #999999 !important; } .related-post .post-list .item .post_thumb { max-height: 220px; margin: 10px 0px; padding: 0px; display: block; } .related-post .post-list .item .post_title { font-size: 16px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } .related-post .post-list .item .post_excerpt { font-size: 13px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } @media only screen and (min-width: 1024px) { .related-post .post-list .item { width: 30%; } } @media only screen and (min-width: 768px) and (max-width: 1023px) { .related-post .post-list .item { width: 90%; } } @media only screen and (min-width: 0px) and (max-width: 767px) { .related-post .post-list .item { width: 90%; } }

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TCP vs UDP: IPv4 Leasing & Business Network Guide
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TCP vs UDP: IPv4 Leasing & Business Network Guide

TCP and UDP are two of the most important transport protocols used on the internet. They determine how data moves between devices, servers, cloud platforms, VPN gateways, DNS resolvers, email systems, streaming platforms, and business applications. For businesses, TCP and UDP are not only technical terms. They affect real infrastructure performance. A public IPv4 address provides the reachable endpoint, but TCP and UDP determine how traffic behaves through thatRead more Related Posts What Is BGP Hijacking? How Route Hijacks Work, Famous Incidents, and How Networks Prevent Them BGP hijacking is the illegitimate takeover of traffic destined for IP address space, carried out by announcing routes for prefixes Which RIRs Support Inter-RIR IPv4 Transfers in 2026? IPv4 addresses may be globally routable, but transferring their registration from one organization to another is governed by Regional Internet What Is Reverse DNS (rDNS)? Why PTR Records Matter for Email, Hosting, and Leased IPv4 Reverse DNS (rDNS) is the process of resolving an IP address back to a domain name. It is the mirror .related-post {} .related-post .post-list { text-align: left; } .related-post .post-list .item { margin: 5px; padding: 10px; } .related-post .headline { font-size: 18px !important; color: #999999 !important; } .related-post .post-list .item .post_thumb { max-height: 220px; margin: 10px 0px; padding: 0px; display: block; } .related-post .post-list .item .post_title { font-size: 16px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } .related-post .post-list .item .post_excerpt { font-size: 13px; color: #3f3f3f; margin: 10px 0px; padding: 0px; display: block; text-decoration: none; } @media only screen and (min-width: 1024px) { .related-post .post-list .item { width: 30%; } } @media only screen and (min-width: 768px) and (max-width: 1023px) { .related-post .post-list .item { width: 90%; } } @media only screen and (min-width: 0px) and (max-width: 767px) { .related-post .post-list .item { width: 90%; } }

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