costargroup.com
Last scanned 8h ago; the signed record is unchanged since 15d ago. Every field below carries an Ed25519 signature from that last reading. Catalog observation, re-checked on rotation - watch it for 5-minute checks.
Guarded by a firewall
Runs onAkamai Technologies
Email byMicrosoft 365
Microsoft 365Secured byDigiCert
DigiCertRegistered toCoStar Realty Information
Registered withMarkMonitor Inc.
Also usesJamfAtlassianPendoGoogle Search ConsoleOneTrustFacebook/MetaAdobeSegment
Jamf
Atlassian
Pendo
Google Search Console
OneTrust
Facebook/Meta
Adobe
Segment13 subdomains · tranco_100k
Every line above is a signed observation. Check the math at the bottom of the page.
DRIFTwhat moved on costargroup.com in the last day, each reading signed
- 9h agoNow served from NL (was US)
Watch it to get the next change the moment it lands.
SIGNED-OUT VIEW
Provider names, posture and counts are shown. The record values - every DNS answer, each subdomain hostname, raw TXT, IPs, cert names and WHOIS - are the product. Sign in for the full signed record, or use the API with a key.
DNS records 52
A1NS6MX1TXT43SOA1
TLS certificates 2
Issued byDigiCert
ExpiresFri, 06 No (72d)
Certificate nameswithheld
Subdomains 13
13 subdomain hostnames observed and signed - the list itself is part of the paid record.
The proof
Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; the only network request the check makes is for the published public keys.
Verify this receiptEd25519 receiptthe raw cryptographic proof
- Receipt ID
rcpt_419718bb32c60407- Output Hash
df9a243c5d1c3c3d15dbf3dc07c749c5b8fb75c30243330ca0e20739f4e40800- Signature
ed25519:febcfd16e4cd93f6900eaa3be3ac983a571b1e5e895ebaf92509e6d41525cb90eda7159094de3364a68ebef3fc21dc6080d600488c3edf7dd3c830696954ef0a- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast