Domains with DNS TXT v=sp1 a mx ptr include:spf.constantcontact.com include:_netblocks.mimecast.com~all
There is 1 domain that have DNS TXT set to v=sp1 a mx ptr include:spf.constantcontact.com include:_netblocks.mimecast.com~all.
There is 1 domain that have DNS TXT set to v=sp1 a mx ptr include:spf.constantcontact.com include:_netblocks.mimecast.com~all.