On 03/31/11 04:54, Mike Diggins wrote: > The A records for the two nameservers exist in the sub.Domain.CA zone > file. I can fix the error by adding the two nameserver A records to the > Domain.CA zone file but I'm wondering why this is an error with 9.7, and > not 9.2.1, and is this the correct way to fix this?
Yes, it is the correct way. These are so-called 'glue records' and are needed if (and only if) the nameservers are below the zone apex. If you have one NS below zone apex, and another somewhere outside, than you need one glue record. And these are needed because server needs to know about NS, master because it needs to send notify and other servers (like .CA in your example) to provide correct referrals. Probably in 9.2 it wasn't required, but according to RFC 1034, last paragraph of section 4.2.1, it is correct behaviour to require it. Torinthiek
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