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Domain footprint: firstclass.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.

Web: 205.211.178.221 → Open Text Corporation
Mail: mxa-00102601.gslb.pphosted.com → Proofpoint, Inc. · mxb-00102601.gslb.pphosted.com → Proofpoint, Inc.

Separately, 1 organisation whose name resembles “firstclass.com” — these may be unrelated to the domain above.

  1. FIRSTCLASSCOMPANYSERVICES-UK 1 netblock · Australia Routing
12 weaker name matches — similar spelling only, likely different organisations
  1. FIRSTCLASSSRL 3 netblocks· RIPE registry
  2. FIRSTCLASS 2 netblocks· APNIC registry
  3. FIRSTCLASSRE-HWY-AT 2 netblocks· RIPE registry
  4. FIRSTCLASS-NET-PL 1 netblock· RIPE registry
  5. FIRSTCLASS-HK 1 netblock· APNIC registry
  6. FIRSTCLASS-HOLIDAYS 1 netblock· RIPE registry
  7. FirstClass-Subnet1 1 netblock· RIPE registry
  8. FirstClass-Subnet2 1 netblock· RIPE registry
  9. FIRSTCLASS-GDYNIA 1 netblock· RIPE registry
  10. FIRSTCLASSMOTORSSL 1 netblock· RIPE registry
  11. First Class Concept GmbH 1 netblock· RIPE registry
  12. FIRSTCLAS 1 netblock· APNIC registry