Zone apex
Start of authority
Email
Serial
2026012701
Refresh
1h
Retry
15m
Expire
1d
Negative cache TTL
1h
Question and response
Question
dig smtp01.nfon.net. SOA
Answer
The response has no answer records.
Authority
nfon.net. 3600 SOA ns4.nfon.net. hostmaster.nfon.net. 2026012701 3600 900 86400 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0