Zone apex
Start of authority
Email
Serial
2026022001
Refresh
4h
Retry
1h
Expire
7d
Negative cache TTL
3m
Question and response
Question
dig _spf.1blu.de. SOA
Answer
The response has no answer records.
Authority
1blu.de. 180 SOA ns1.1blu-dns.de. hostmaster.1blu.de. 2026022001 14400 3600 604800 180
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0