rommuz.cz
Observed Jul 26, 2026, 06:20 UTC (6d 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
Email byMicrosoft 365
Secured byLet's Encrypt
Also usesGoogle Search Console
IPv6 · majestic
Every line above is a signed observation. Check the math at the bottom of the page.
INFRASTRUCTURE MAPwhat rommuz.cz actually stands on - every host below is a signed observation
rommuz.cz
A / AAAA
178.251.187.92a00:1ed0:45::15
2a00serves the site
NS
ns2.blueboard.czshinzon.blueboard.cz
blueboard.czanswers its DNS
MX
rommuz-cz.mail.protection.outlook.com
Microsoft 365receives its email
TLS
rommuz.cz
Let's Encryptissued its certificate
DNS Records
A 1
178.251.187.9
AAAA 1
2a00:1ed0:45::15
MX 1
5rommuz-cz.mail.protection.outlook.com
TXT 4
MS=ms35949155v=spf1 include:spf.protection.outlook.com -allgoogle-site-verification=1OCssDQs8J2zxOZpaDyX9BPqjQHcm6c_8nl4HX9MbXEv=DMARC1; p=none; rua=mailto:1rua8alsvt@dmarc-reports.ecomailapp.com; fo=1
NS 2
ns2.blueboard.czshinzon.blueboard.cz
SOA 1
shinzon.blueboard.cz hostmaster.blueboard.cz
TLS Certificates (4)
| Common Name | Issuer | Expires |
|---|---|---|
rommuz.cz |
C=US, O=Let's Encrypt, CN=YE1 | Sun, 06 Sep 2026 17:57:35 +0000 |
YE1 |
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 (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
rcpt_9c33f85b630ddcf8- Output Hash
40db46d83ef1239c614c2332ffe204c100b9be2775ff3ad393b5585b9d5ef5c8- Signature
ed25519:5637f4c2dd3f3b12fde2d43d5380aa5ade121b1d2cd404c6b1b9c81edaa91f9f93b35bcee95615cd1b77d61adeb1608d2f13ed90153b7ad228ad67e17321460d- Public Key
ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9- Parent
(genesis)- Plane
- fast