It can be anything! An apex, subdomain, or even a URL.

Results for_spf.inetmail.cloud

Resolver

Location

TXT

Name	TTL	Value
_spf.inetmail.cloud	300	v=spf1 ip4:203.150.85.128/26 ip4:203.154.101.224/28 ip4:203.151.49.112/28 ip4:203.150.108.16/28 ip4:203.150.79.64/28 ip4:203.154.75.224/28 ip4:203.150.79.176/28 ip4:203.154.80.208/28 ip4:203.154.187.64/28 ip4:203.150.111.16/28 ip4:203.150.79.80/28 ip4:203 .150.47.0/24 ip4:203.154.77.0/27 include:spf_mgw.one.th ~all