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

Results for_antispam.secure.ly

Resolver

Location

TXT

Name	TTL	Value
_antispam.secure.ly	28800	v=spf1 ip4:88.198.49.190 ip4:88.198.49.187 ip4:184.154.44.162 ip4:184.154.44.163 ip4:159.8.14.213 ip4:5.153.57.117 ip4:37.58.121.228 ip4:37.58.107.241 ip4:65.21.198.97 ip4:65.21.198.93 ip4:5.9.99.245 ip4:5.9.99.246 ip4:144.76.137.85 ip4:144.76.137.88 ~all