Zone apex
Start of authority
Email
Serial
657241149
Refresh
3h
Retry
1h
Expire
7d
Negative cache TTL
5m
Question and response
Question
dig tmxmailsmtp03.telmex.com. SOA
Answer
The response has no answer records.
Authority
telmex.com. 300 SOA ns8.telmex.com. dominios.telmex.com. 657241149 10800 3600 604800 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0