Zone apex
Start of authority
Email
Serial
1771951492
Refresh
8h
Retry
2h
Expire
35d
Negative cache TTL
1h
Question and response
Question
dig _spf.o263.mx.srv.dfn.de. SOA
Answer
The response has no answer records.
Authority
dfn.de. 3600 SOA ns1.dfn.de. hostmaster.dfn.de. 1771951492 28800 7200 3024000 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0