Zone apex
Start of authority
Email
Serial
2026021806
Refresh
2h
Retry
30m
Expire
14d
Negative cache TTL
1h
Question and response
Question
dig spf.mailcore.net. SOA
Answer
The response has no answer records.
Authority
mailcore.net. 3600 SOA ns21.cloudns.net. postmaster.mailcore.com. 2026021806 7200 1800 1209600 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0