Zone apex
Start of authority
Email
Serial
2026010200
Refresh
6h
Retry
1h
Expire
7d
Negative cache TTL
10m
Question and response
Question
dig sg.de.o2.com. SOA
Answer
sg.de.o2.com. 7200 SOA ns1.o2online.de. domain-de.o2.com. 2026010200 21600 3600 604800 600
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0