s4a.cat
Observed Aug 2, 2026, 19:48 UTC (13d ago). Every field below was attested with an Ed25519 signature at scan time.
s4a.cat is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting s4a.cat 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 s4a.cat Watching a domain needs a DRM3 account. The reading above stays free and public either way.
Let's EncryptDNS Records
A 1
37.187.75.164
MX 2
1mx4.mail.ovh.net10mx3.mail.ovh.net
NS 2
ns106.ovh.netdns106.ovh.net
SOA 1
dns106.ovh.net tech.ovh.net
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
s4a.cat |
C=US, O=Let's Encrypt, CN=YE2 | Sat, 10 Oct 2026 19:42:35 +0000 |
YE2 |
C=US, O=ISRG, CN=Root YE | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YE |
C=US, O=Internet Security Research Group, CN=ISRG Root X2 | Thu, 02 Sep 2032 23:59:59 +0000 |
ISRG Root X2 |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (1)
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 Receipt
- Receipt ID
rcpt_bd31fb7eb279ef1d- Output Hash
7f13f8f9ba37498bdee6358e9a5099d4b844fdc5509651ef8247369e46e0e753- Signature
ed25519:11c1f0f62b40077cc30a40073fbb9305eef817413cd8b7deb5dd9e8eea3ef992c8209b76aa1f671fa07983c004e620ff677f0189d18ef15ec8863e50727d9c03- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast