cs4u.pl
Observed Aug 10, 2026, 23:06 UTC (16d ago). Every field below was attested with an Ed25519 signature at scan time.
cs4u.pl is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting cs4u.pl under watch moves it to the fast lane, where DomainDrift re-checks it about every 5 minutes and signs each reading, so a change becomes a dated event within minutes instead of waiting for the sweep to come round.
Watch cs4u.pl Watching a domain needs a DRM3 account. The reading above stays free and public either way.
Microsoft CorporationSteady. No change on record for cs4u.pl in the last day; this reading matches the one before it. The steady record is signed like every other reading. Watch it to catch the next move the moment it lands.
DNS records 9
TLS certificates 4
Subdomains 0
None observed.
DomainDrift asked this domain for one hostname that nobody ever registered, and it answered. A domain that answers invented hostnames is running wildcard DNS. It is common and usually deliberate. A SaaS platform gives every customer a subdomain this way. How the check works
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_770000af6b19e28f- Output Hash
da21d9c2f20081b38c42d4293da0d2f2d29d3fb30968d4c34744c4ab8f4d3580- Signature
ed25519:ee92c8508eb3f12537a38830f6f313d2140166984997d4e4ef59ae091409f87399b11606cf703f77a713d9b8aaedec124331d76ab1b9fa26d8c4e6d6e208e305- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast