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Domain footprint: ironport.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: 23.62.100.200 → Akamai Technologies, Inc. · 23.62.100.181 → Akamai Technologies, Inc.
Mail: mx1.sco.cisco.com → Cisco Systems Ironport Division · mx2.sco.cisco.com → Cisco Systems Ironport Division · mx3.sco.cisco.com → Cisco Systems Ironport Division · mx4.sco.cisco.com → Cisco Systems Ironport Division
SPF sends via: _p.ironport.com · _q.ironport.com · cisco.com

Separately, 7 organisations whose name resembles “ironport.com” — these may be unrelated to the domain above.

  1. Cisco Systems Ironport Division 211 netblocks · ARIN registry Routing Unverified name
  2. Ironport_1st-MVAS6500 1 netblock · APNIC registry Handle
  3. RSPC-UK-Ironport-System 1 netblock · Switzerland Routing
  4. SH-IRONPORT 1 netblock · Switzerland Routing
  5. IDCS-MUC97-IRONPORT1 1 netblock · Germany Routing
  6. Ironport5th_MVAS6500 1 netblock · APNIC registry Handle
  7. IDCS-MUC98-IRONPORT2 1 netblock · Germany Routing