Zone apex
Start of authority
Email
Serial
2026030201
Refresh
4h
Retry
1h
Expire
14d
Negative cache TTL
5m
Question and response
Question
dig smtp6.heysender.com. SOA
Answer
The response has no answer records.
Authority
heysender.com. 300 SOA ns1.curanet.dk. hostmaster.curanet.dk. 2026030201 14400 3600 1209600 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0