It can be anything! An apex, subdomain, or even a URL.
Results forappriver.com.2.0001.arsmtp.com
www.appriver.com.2.0001.arsmtp.comcom.2.0001.arsmtp.com2.0001.arsmtp.com0001.arsmtp.comarsmtp.comcom
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It can be anything! An apex, subdomain, or even a URL.