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

Results for5._spf.adp.com

Resolver

Location

TXT

Name	TTL	Value
5._spf.adp.com	900	v=spf1 IP4:204.92.19.11 IP4:204.92.19.12 IP4:204.92.19.13 IP4:142.0.167.226 IP4:142.0.167.227 IP4:142.0.167.228 IP4:129.145.17.8 IP4:129.145.17.9 IP4:129.145.17.10 IP4:192.254.114.6 -all