It can be anything! An apex, subdomain, or even a URL.
Results forwww._u.entrust.net._spf.smart.ondmarc.com
_u.entrust.net._spf.smart.ondmarc.comentrust.net._spf.smart.ondmarc.comnet._spf.smart.ondmarc.com_spf.smart.ondmarc.comsmart.ondmarc.comondmarc.comcom
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| Domain Name | First seen | Still exists |
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