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

Results forspfa.alinto.net

Resolver

Location

TXT

Name	TTL	Value
spfa.alinto.net	300	v=spf1 ip4:81.88.178.30 ip4:83.145.109.0/24 ip4:31.172.161.0/24 ip4:91.212.152.0/24 ip4:195.167.226.128/26 ip4:195.167.228.208/28 ip4:212.97.142.160/27 ip4:51.77.185.250 ip4:51.159.179.247 ip4:51.15.137.26 ip4:178.33.104.94 ip4:46.22.203.174 ~all