Zone apex
Start of authority
Email
Serial
2025081901
Refresh
1d
Retry
2h
Expire
41d 16h
Negative cache TTL
1h
Question and response
Question
dig mail-02.bt.systems. SOA
Answer
The response has no answer records.
Authority
bt.systems. 600 SOA ns1.bt.systems. dns.bt.systems. 2025081901 86400 7200 3600000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0