Zone apex
Start of authority
Email
Serial
2026022703
Refresh
12h
Retry
15m
Expire
14d
Negative cache TTL
1h
Question and response
Question
dig smtp04.topdns.com. SOA
Answer
The response has no answer records.
Authority
topdns.com. 3600 SOA ns-uk.topdns.com. hostmaster.topdns.com. 2026022703 43200 900 1209600 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0