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

Results for_spf4.var-dump.it

Resolver

Location

TXT

Name	TTL	Value
_spf4.var-dump.it	3600	v=spf1 ip4:116.202.216.197 ip4:116.202.216.233 ip4:116.202.27.26 ip4:176.9.52.74 ip4:176.9.75.219 ip4:176.9.52.116 ip4:94.130.78.7 ip4:136.243.77.31 ip4:195.201.81.83 ip4:65.21.206.221 ~all