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

Results forspf.ubc.ca

Resolver

Location

TXT

Name	TTL	Value
spf.ubc.ca	86400	v=spf1 ip4:137.82.116.49 ip4:137.82.116.61 ip4:142.103.117.132 ip4:142.103.117.133 ip4:142.103.117.135 ip4:142.103.117.136 ip4:142.103.117.137 ip4:142.103.117.138 ip4:142.103.117.139 ip4:142.103.117.142 ip4:142.103.203.4 ip4:142.103.203.5 ip4:142.103.203. 6 ip4:142.103.203.7 ip4:142.103.203.8 ip4:142.103.203.9 ip4:142.103.203.10 ip4:142.103.203.11 -all