Question and response
Question
dig mx.thunder-bird.biz. PTR
Answer
The response has no answer records.
Authority
thunder-bird.biz. 3600 SOA dns.thunder-bird.biz. hostmaster.thunder-bird.biz. 1374483244 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0