ron.cz

Observed Jul 28, 2026, 11:56 UTC (9h 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.

Verify this receipt yourself + Watch this domain

Up right now

Email byMicrosoft 365

Secured byLet's Encrypt

1 subdomain · domcop

Every line above is a signed observation. Check the math at the bottom of the page.

INFRASTRUCTURE MAPwhat ron.cz actually stands on - every host below is a signed observation

ron.cz

A / AAAA

37.27.229.95

unattributedserves the site

ns1.regzone.czns1.regzone.dens1.regzone.info

regzone.cz + regzone.de + moreanswers its DNS

ron-cz.mail.protection.outlook.com

Microsoft 365receives its email

TLS

ron.cz

Let's Encryptissued its certificate

DNS Records

A 1

37.27.229.95

MX 1

0ron-cz.mail.protection.outlook.com

TXT 2

v=spf1 ip4:109.105.63.34 ip4:194.213.209.18 include:spf.protection.outlook.com include:spf-westeu.emailsignatures365.com -all
v=DMARC1; p=quarantine; rua=mailto:ar@ron.cz; ruf=mailto:ff@ron.cz; fo=0:1:d:s;

NS 3

ns1.regzone.cz
ns1.regzone.de
ns1.regzone.info

SOA 1

ns1.regzone.cz administrator.czechia.cz

SRV 2

ronfw.ron.cz:5222 p5
ronfw.ron.cz:5269 p5

TLS Certificates (3)

Common Name	Issuer	Expires
`ron.cz`	C=US, O=Let's Encrypt, CN=YR1	Thu, 01 Oct 2026 22:20:03 +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 (1)

www.ron.cz

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 receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for ron.cz. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/ron.cz">
  <img src="https://domaindrift.io/badge/ron.cz.svg"
       width="300" height="64" alt="DomainDrift signed observations for ron.cz">
</a>

Ed25519 Receipt

Receipt ID: rcpt_bfae4f8b259c8f6f
Output Hash: bf364138bfde0c05662db3dd31788fab56e5be2745a125786fe2af9eed6d7ca3
Signature: ed25519:0fd40bae491d0db90c78d3d5e9cde3eafc70e599254b1ee445fe4e83ef20a1e0ac8bc5d188f3082a31463ec7e3ff97fcadf09cc863bbe8360ebfd79e130c2804
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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