It can be anything! An apex, subdomain, or even a URL.
Results forwww._u.ondmarc.com._spf.smart.ondmarc.com
_u.ondmarc.com._spf.smart.ondmarc.comondmarc.com._spf.smart.ondmarc.comcom._spf.smart.ondmarc.com_spf.smart.ondmarc.comsmart.ondmarc.comondmarc.comcom
Registrar
Creation Date
DNSSEC
| Domain Name | First seen | Still exists |
|---|---|---|