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

Results for_spf.remote.management

Resolver

Location

TXT

Name	TTL	Value
_spf.remote.management	60	v=spf1 include:spf.mtaroutes.com ip4:119.9.27.213 ip4:134.213.213.170 ip4:104.239.142.227 ip4:13.237.231.177 ip4:52.65.54.29 ip4:18.196.77.127 ip4:35.156.126.92 ip4:176.34.227.119 ip4:52.30.120.155 ip4:3.134.40.11 ip4:52.15.54.49 -all