Dns server reverse lookup not updating
Also, the more experience you have, the more likely you are to make your DNS infrastructure complex, inviting the attention of Mr.
You’ll learn to identify the most common domain name system issues that cause problems for AD and Exchange and how to avoid them in the first place or isolate and resolve them if they occur in production.Reverse DNS (r DNS) is the inverse process of this: the resolution of an IP address to its designated domain name. One level below the arpa root are the delegated servers for IPv4 and ip6for IPv6.This document explains how reverse DNS works and how to configure it for your zone. Further down the tree, there are delegations for the /8 blocks that IANA allocated to the RIRs, the allocations that the RIRs gave to the address holders, all the way down to the individual IP addresses and names that you have configured for your Internet-enabled hosts.Updated version This is an updated guide for Ubuntu 12.04.If you use an older version of Ubuntu, then you might want to check out the old guide, that was written for Ubuntu 8.04.