Zone apex
Start of authority
Email
Serial
53605
Refresh
6h
Retry
1h
Expire
7d
Negative cache TTL
10m
Question and response
Question
dig spf.swisscom.com. SOA
Answer
The response has no answer records.
Authority
swisscom.com. 600 SOA dns3.swisscom.com. admin\.dns.swisscom.com. 53605 21600 3600 604800 600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0