costar.com
costar.com ranks #8,154 of 142,745,773 domains for popularity, with a link authority of 5.5/10. Seen in 8 public sources.
Source cross-reference
commoncrawl: #458,111 crux: #50,000 hostio: #16,737 majestic: #7,894 openpagerank: #13,396 radar: #100,000 tranco: #17,564 umbrella: #92,979
Trend
↓ #6,495 (2025-07-15) → #7,899 (2026-08-14), 16 monthly snapshots.
Link profile
Links from 2,218 distinct networks (of the 4,057 linking domains with DNS data so far) — subnet diversity is the spam-resistant authority signal. What these mean →
Hosting
Akamai Technologies Inc (AS16625) · hosted in the United States · DNS by Akamai · datacenter/cloud IP.
Registration
registered 1994-11-10 (31 yrs old) · registrar MarkMonitor Inc. · expires 2034-11-09.
Certificates
TLS by DigiCert · organization CoStar Group, Inc. (the United States) EV. Current cert valid to 2027-02-25.
Subdomains
5 discovered from certificates: edsf-101.costar.com edsf-dvm.costar.com edsf-tsm.costar.com edsf-tsr.costar.com n001edsf.costar.com
Same server
Ranked domains sharing costar.com's IP (23.51.204.233): costargroup.com costar.co.uk