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

Results forspf.archivecloud.net

Resolver

Location

TXT

Name	TTL	Value
spf.archivecloud.net	300	v=spf1 ip4:20.74.177.38 ip4:13.70.66.54 ip4:20.28.237.13 ip4:20.151.131.33 ip4:20.220.107.68 ip4:52.166.22.204 ip4:199.30.225.31 ip4:20.108.45.24 ip4:40.65.111.175 ip4:52.183.88.192 ip4:52.191.141.216 ip4:40.65.108.165 ip4:52.183.123.146 ip4:20.112.29.163 ip4:199.30.227.31 ip4:64.70.67.107 ip4:8.30.107.13 ip4:64.70.67.125 ip4:52.183.123.146 ~all