IPv4 Addresses
TTL
us-smtp-inbound-1.mimecast.com. 150 IN A 170.10.128.141 us-smtp-inbound-1.mimecast.com. 150 IN A 170.10.128.221 us-smtp-inbound-1.mimecast.com. 150 IN A 170.10.128.242 us-smtp-inbound-1.mimecast.com. 150 IN A 170.10.132.141 us-smtp-inbound-1.mimecast.com. 150 IN A 170.10.132.221 us-smtp-inbound-1.mimecast.com. 150 IN A 170.10.132.242