atomrat.cz
Observed Jul 23, 2026, 11:53 UTC (2d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.
Up right now
Secured byLet's Encrypt
2 subdomains · tranco
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat atomrat.cz actually stands on - every host below is a signed observation
atomrat.cz
A / AAAA
81.95.110.124
unattributedserves the site
NS
ns.web4u.czns2.web4u.cz
web4u.czanswers its DNS
MX
in.smtp.czmx.smtp.cz
smtp.czreceives its email
TLS
2016.atomrat.cz
Let's Encryptissued its certificate
DNS Records
A 1
81.95.110.124
MX 2
50in.smtp.cz100mx.smtp.cz
TXT 2
v=spf1 ip4:81.95.110.124 include:spf.active24.com ~allv=DMARC1; p=reject; fo=1;rua=mailto:postmaster@atomrat.cz
NS 2
ns.web4u.czns2.web4u.cz
SOA 1
ns.web4u.cz admin.web4u.cz
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
2016.atomrat.cz |
C=US, O=Let's Encrypt, CN=YR2 | Sun, 18 Oct 2026 22:35:39 +0000 |
YR2 |
C=US, O=ISRG, CN=Root YR | Sat, 02 Sep 2028 23:59:59 +0000 |
Root YR |
C=US, O=Internet Security Research Group, CN=ISRG Root X1 | Thu, 02 Sep 2032 23:59:59 +0000 |
Subdomains (2)
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; nothing leaves your machine.
Verify this receiptEd25519 Receipt
- Receipt ID
rcpt_dabfb79c9fc37407- Output Hash
2183cb8791afbe5c0875b70bf8bf0e74e329d59f25987869bf45e266e1af5d34- Signature
ed25519:ce30eb0545b53b7e4f50b72ad1e696933863c4a4649c1869ca56da100d7896a26712a4844995146dffcfe6adc81ae590bf7e10ddf5c27dfeb637ead551d7e801- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast