costargroup.com
costargroup.com ranks #20,215 of 142,758,304 domains for popularity, with a link authority of 4.6/10. Seen in 8 public sources.
Source cross-reference
commoncrawl: #479,603 crux: #100,000 hostio: #5,977 majestic: #93,250 openpagerank: #1,542,121 radar: #100,000 tranco: #50,237 umbrella: #392,192
Trend
↑ #32,251 (2025-07-15) → #19,412 (2026-08-14), 16 monthly snapshots.
Link profile
Links from 620 distinct networks (of the 702 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 1999-03-22 (27 yrs old) · registrar MarkMonitor Inc. · expires 2027-03-22.
Certificates
TLS by DigiCert · organization CoStar Group, Inc. (the United States) EV. Current cert valid to 2027-02-25.
Subdomains
2 discovered from certificates: syncportal-dvm.costargroup.com syncportal-dvm.costargroup.com
Same server
Ranked domains sharing costargroup.com's IP (23.51.204.233): costar.com costar.co.uk