On Wed, 2010-12-01 at 19:05 +0530, rams wrote: > I have one SOA record as follows in zone. > > qa.com. 86400 IN SOA ramesh.com. qa.com. ( > 2009111903 ; serial > 10800 ; refresh (3 hours) > 3600 ; retry (1 hour) > 2592000 ; expire (4 weeks 2 days) > 300 ; minimum (1 day) > ) > > I queried for non exist domain against bind. Bind is returning SOA > record with 300 as TTL value. Is it correct? Because in my zone , SOA > has 86400 TTL. > For NXDOMAIN, the TTL returned will be the lower value of the SOA TTL and NCACHE/MINIMUM. So in this case, 300 seconds.
See RFC mumblemumble. I know this through being comprehensively ejumacated on this very list because I thought the SOA TTL had to be zero... Regards, K. -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Karl Auer (ka...@biplane.com.au) +61-2-64957160 (h) http://www.biplane.com.au/kauer/ +61-428-957160 (mob) GPG fingerprint: B386 7819 B227 2961 8301 C5A9 2EBC 754B CD97 0156 Old fingerprint: 07F3 1DF9 9D45 8BCD 7DD5 00CE 4A44 6A03 F43A 7DEF
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