Zone apex
Start of authority
Email
Serial
1772966049
Refresh
15m
Retry
15m
Expire
7d
Negative cache TTL
30m
Question and response
Question
dig itmx-smtp-srv.rtmxdomain.com.mx. SOA
Answer
The response has no answer records.
Authority
com.mx. 0 SOA m.mx-ns.mx. hostmaster.nic.mx. 1772966049 900 900 604800 1800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0