On 07/07/11 04:56, pa...@laposte.net wrote: > > Hello, > > I got two different forms of AUTHORITY SECTION from the dig, for example, > > $ dig mydots.net @ns7.dnsbed.com > > ; <<>> DiG 9.4.2-P2.1 <<>> mydots.net @ns7.dnsbed.com > ;; global options: printcmd > ;; Got answer: > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 36520 > ;; flags: qr aa rd; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0 > ;; WARNING: recursion requested but not available > > ;; QUESTION SECTION: > ;mydots.net. IN A > > ;; AUTHORITY SECTION: > mydots.net. 3600 IN SOA ns7.dnsbed.com. support.dnsbed.com. 6 10800 3600 > 604800 3600
This one means that there's no such record. Your answer is empty. See, you don't have answer section and RFCs state that authorative nameservers should send SOA record in authority section if there's no data. > > ;; Query time: 90 msec > ;; SERVER: 58.22.107.162#53(58.22.107.162) > ;; WHEN: Thu Jul 7 09:54:07 2011 > ;; MSG SIZE rcvd: 86 > > > > $ dig www.mydots.net @ns7.dnsbed.com > > ; <<>> DiG 9.4.2-P2.1 <<>> www.mydots.net @ns7.dnsbed.com > ;; global options: printcmd > ;; Got answer: > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 3327 > ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 0 > ;; WARNING: recursion requested but not available > > ;; QUESTION SECTION: > ;www.mydots.net. IN A > > ;; ANSWER SECTION: > www.mydots.net. 900 IN A 61.144.56.101 > > ;; AUTHORITY SECTION: > mydots.net. 3600 IN NS ns7.dnsbed.com. > mydots.net. 3600 IN NS ns8.dnsbed.com. And this one has correct answer, and the NS records are there just in case - to notify you that you got your answer from authorative ns and what other authorative ns'es are. Torinthiel
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