Zone apex
Start of authority
Email
Serial
137
Refresh
3h
Retry
1h
Expire
28d
Negative cache TTL
15m
Question and response
Question
dig itesm.mx. SOA
Answer
itesm.mx. 3600 SOA ns1e.itesm.mx. please_set_email.absolutely.nowhere. 137 10800 3600 2419200 900
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0