Zone apex
Start of authority
Email
Serial
2013012202
Refresh
2h
Retry
1h
Expire
7d
Negative cache TTL
1d
Question and response
Question
dig 155.sub128.124.253.145.in-addr.arpa. SOA
Answer
The response has no answer records.
Authority
sub128.124.253.145.in-addr.arpa. 0 SOA ns4.sophos.com. hostmaster.sophos.com. 2013012202 7200 3600 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0