Secondary dns zone not updating

24-Sep-2017 11:32

Most importantly, it translates domain names meaningful to humans into the numerical identifiers associated with networking equipment for the purpose of locating and addressing these devices worldwide.The Domain Name System makes it possible to assign domain names to groups of Internet resources and users in a meaningful way, independent of each entity's physical location.While on its face this may seem an excessively friendly default, DNS data is essentially public (that's why its there) and the bad guys can get all of it anyway.However if the thought of anyone being able to transfer your precious zone file is repugnant, or (and this is far more significant) you are concerned about possible Do S attack initiated by XFER requests, then use the following policy.Your zone will be resynchronized according to the refresh interval specified in the SOA record for your zone.If a zone transfer fails, the zone enters a "warning" state, and we will continue attempting to perform the zone transfer at the retry interval given by your SOA record until it succeeds, or the expiry timeout as provided in your SOA record is hit.If you have problems, make sure that your firewall configuration is correct, as per the next section.

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It associates various information with domain names assigned to each of the participating entities.Next, you can use the nameservers provided on the nameservers tab within the zone to direct DNS traffic for the zone to NS1.To do so, you must add NS records for each NS1 nameserver to the zone on your primary DNS server, and then modify the nameservers for your domain at your registrar.This statement may be used in a zone, view or global options clause. IP address(es) that are allowed to transfer (copy) the zone information from the server (master or slave for the zone).

The default behaviour is to allow zone transfers to any host.However a few records for the domain are held by the central DNS servers in the Computing Services, which do not allow dynamic updates.