Zone apex
Start of authority
Email
Serial
2026031610
Refresh
20m
Retry
1h
Expire
7d
Negative cache TTL
1d
Question and response
Question
dig PTB.DE. SOA
Answer
ptb.de. 14400 SOA ns1.ptb.de. postmaster.ptb.de. 2026031610 1200 3600 604800 86400
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0