PTR

us-smtp-delivery-1.mimecast.com

us-smtp-inbound-delivery-1.mimecast.com

A record for

`us-smtp-delivery-1.mimecast.com`
	A	170.10.128.131
	A	170.10.132.61
	A	205.139.110.120
	A	207.211.31.120
`us-smtp-inbound-delivery-1.mimecast.com`
	A	170.10.128.81
	A	170.10.128.98
	A	170.10.128.131
	A	170.10.128.241
	A	170.10.132.60
	A	170.10.132.61
	A	170.10.132.98
	A	170.10.132.241
	A	205.139.110.120
	A	207.211.31.120
`us-smtp-outbound1.mimecast.com`
	A	205.139.110.120
	A	207.211.31.120

Boston, Massachusetts, 🇺🇸 USA

^{🇺🇸 NAVISITE207.211.31.0/24}