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Operating domain Best match for “frontier.com”
Frontier Communications of America, Inc.
See all of this organisation’s ranges →
Other organisations matching “frontier.com”
Separately-registered entities that share the name — not confirmed part of the group above.
Domain footprint: frontier.com
Resolved live just now — where this domain's services actually run, with each address attributed by OrgIndex. A DNS observation, not registry data: many organisations run entirely on providers' networks and hold no IP space of their own.
Mail:
mta5.am0.yahoodns.net → Yahoo Holdings Inc. ·
mta6.am0.yahoodns.net → Yahoo Holdings Inc. ·
mta7.am0.yahoodns.net → Yahoo Holdings Inc.
SPF sends via:
_spf.frontier.com · _spf.mail.yahoo.com · sendgrid.net · mktomail.com · icpbounce.com · spf-0019f703.pphosted.com