Zone apex
Start of authority
Email
Serial
2026012001
Refresh
1h
Retry
10m
Expire
7d
Negative cache TTL
10m
Question and response
Question
dig smtp.db-center.jp. SOA
Answer
The response has no answer records.
Authority
db-center.jp. 600 SOA ns1.db-center.net. webmaster.iqnet.co.jp. 2026012001 3600 600 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0