Zone apex
Start of authority
Email
Serial
2026022401
Refresh
6h
Retry
1h
Expire
7d
Negative cache TTL
10m
Question and response
Question
dig mail1.o2service.de. SOA
Answer
The response has no answer records.
Authority
o2service.de. 600 SOA ns1.o2online.de. domain-de.o2.com. 2026022401 21600 3600 604800 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0