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

Results forzone._spf.zone.eu

Resolver

Location

TXT

Name	TTL	Value
zone._spf.zone.eu	3600	v=spf1 ip4:217.146.65.105 ip4:217.146.68.200 ip4:217.146.68.203 ip4:217.146.68.207 ip4:217.146.68.208 ip4:217.146.68.211 ip4:217.146.73.18 ip4:217.146.73.44 ip4:217.146.73.9 ip4:85.234.244.64/26 ip4:217.146.70.160 -all