Domain Name	Found on	Still exists
a1.mail.intercom.io	THC
a1.notifications-delivery.mail.intercom.io	THC
a10.mail.intercom.io	THC
a2.mail.intercom.io	THC
a3.mail.intercom.io	THC
a4.mail.intercom.io	THC
a5.mail.intercom.io	THC
a6.mail.intercom.io	THC
a7.mail.intercom.io	THC
a8.mail.intercom.io	THC
a9.mail.intercom.io	THC

Found 11 subdomains.

Results formail.intercom.io