AAAA type query invalidates A records in name server cache

All, anyone experiencing the same behavior? Seen on BIND 9.5.2-P2 and BIND 9.8.0-P4 ns11:~ # nslookup -querytype=A xserv.ins.dell.com. . Non-authoritative answer: Name: xserv.ins.dell.com Address: 143.166.148.118 All ok. ns11:~ # nslookup -querytype=

Re: AAAA type query invalidates A records in name server cache

On Tue, Jul 19, 2011 at 04:58:53PM +0200, mailsecurity wrote: All, anyone experiencing the same behavior? I hope so, because that's the correct behavior. Dell's nameserver is broken: http://tools.ietf.org/html/rfc4074 Common Misbehavior Against DNS Queries for IPv6 Addresses - May 2005 4.2.

Re: AAAA type query invalidates A records in name server cache

This is because Dell has incorrectly configured their F5 GTM load balancers to return NXDOMAIN on a query instead of NOERROR (this is configurable on a per-wideip basis in the GTM configuration - at least in present versions. In earlier versions you had to ensure that you had a record of

RE: AAAA type query invalidates A records in name server cache

Will escalate via our Dell contact. Keep you posted about my success. Regards, Patrick -- This e-mail message and any attachments are of a confidential nature. The information is intended for the named addressee exclusively. If you are not the addressee, you may not electronically disseminate,