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

Results forfdspfus.freshemail.io

Resolver

Location

TXT

Name	TTL	Value
fdspfus.freshemail.io	300	v=spf1 ip4:34.198.193.174 ip4:34.202.174.188 ip4:34.199.167.230 ip4:52.203.5.138 ip4:3.91.171.64/28 ip4:3.219.176.96/29 ip4:3.222.0.112/29 ip4:3.222.0.24/29 ip4:3.222.0.88/29 ip4:3.235.255.160/29 ip4:3.238.137.128/30 ip4:44.192.35.0/24 ip4:18.235.53.110 ip4:54.159.173.91 ~all