super.cz
Observed 2026-07-17T13:08:49.283362853+00:00 (40m ago). Every field below was attested with an Ed25519 signature at scan time.
Up right now
Runs onSEZNAM-CZ
Secured byLet's Encrypt
Also usesGoogle Search Console
IPv6 · tranco_10k
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat super.cz actually stands on - every host below is a signed observation
super.cz
A / AAAA
77.75.78.14077.75.78.1442a02:598:a::78:1402a02:598:a::78:144
SEZNAM-CZserves the site
NS
ams.seznam.czans.seznam.cz
seznam.czanswers its DNS
MX
7b4db662521575ea.mx1.emailprofi.seznam.cz7b4db662521575ea.mx2.emailprofi.seznam.cz
seznam.czreceives its email
TLS
super.cz
Let's Encryptissued its certificate
DNS Records
A 2
77.75.78.14077.75.78.144
AAAA 2
2a02:598:a::78:1402a02:598:a::78:144
MX 2
107b4db662521575ea.mx1.emailprofi.seznam.cz207b4db662521575ea.mx2.emailprofi.seznam.cz
TXT 4
apple-domain-verification=d4ZzElzaeMPqxdwMv=spf1 include:spf.szn.cz include:spf.protection.outlook.com -allgoogle-site-verification=SmIAhB-XoTdovyci0PNYNFFONPghRF8UvxkbN8uGzfgv=DMARC1; p=quarantine; rua=mailto:abuse@seznam.cz,mailto:dmarc-rua@mailkit.com;
NS 2
ams.seznam.czans.seznam.cz
SOA 1
ans.seznam.cz hostmaster.seznam.cz
CAA 2
iodef "mailto:abuse-caa@firma.seznam.cz"issue "letsencrypt.org; validationmethods=dns-01"
TLS Certificates (3)
| Common Name | Issuer | Expires |
|---|---|---|
super.cz |
C=US, O=Let's Encrypt, CN=YR1 | Mon, 05 Oct 2026 05:04:32 +0000 |
YR1 |
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 (0)
None observed.
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
6082cd0b-589e-4a6b-a49e-e4e7c69438a9- Output Hash
378e167df4df9ed1606c08a729fddfa77d9142c0ff8bd3f0126fc335773fd1ac- Signature
ed25519:5fc6361f096dded353a0dfc44297d2ebfe3e93febadc57ca34cda6a76004a54b1656f25488ee85fc09658112e8adb3eb1b749d495886eab359d3f25dcda66d0c- Public Key
ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8- Parent
(genesis)- Plane
- fast