dumbarev.cz

Observed Jul 25, 2026, 18:48 UTC (7d 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

Secured byDigiCert

Also usesGoogle Search Console

1 subdomain · tranco

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

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

dumbarev.cz

A / AAAA

20.105.224.32

unattributedserves the site

ns-1446.awsdns-52.orgns-1836.awsdns-37.co.ukns-275.awsdns-34.comns-668.awsdns-19.net

awsdns-52.org + awsdns-37.co.uk + moreanswers its DNS

mail.dumbarev.cz

dumbarev.czreceives its email

TLS

dumbarev.cz

DigiCert Incissued its certificate

DNS Records

A 1

20.105.224.32

MX 1

10mail.dumbarev.cz

TXT 8

1mdhrj3xvxj2bq0l4f5qyrw7fzqlrfh9
_hgxkg8lwrsg3wi4r36o576fw3v29k71
amazonses:74w/ZA54etGL7EXlAPrQdRHlzXtpd4g41lxbLXeljNo=
gd4yldtkft7s2z7hgygq14qfd6df58rk
google-site-verification=XhQIAmdh3-gchKnlo2irUwj1DwkzWePYQhiyDWZeJpI
google-site-verification=rueZIOE-kVRD_LKgcM9eef5-1AW9lPXHHGMekDHpFf0
v=spf1 mx +a:smtp.crystalmails.com ip4:95.129.100.100 ip4:95.129.100.101 ip4:95.129.100.105 ip4:95.129.100.106 ~all
v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

NS 4

ns-1446.awsdns-52.org
ns-1836.awsdns-37.co.uk
ns-275.awsdns-34.com
ns-668.awsdns-19.net

SOA 1

ns-1836.awsdns-37.co.uk awsdns-hostmaster.amazon.com

TLS Certificates (2)

Common Name	Issuer	Expires
`dumbarev.cz`	C=US, O=DigiCert Inc, CN=DigiCert Global G2 TLS RSA SHA256 2020 CA1	Fri, 05 Feb 2027 23:59:59 +0000
`DigiCert Global G2 TLS RSA SHA256 2020 CA1`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2	Sat, 29 Mar 2031 23:59:59 +0000

Subdomains (1)

www.dumbarev.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 dumbarev.cz. It updates itself. It attests a signed observation - not that the site is safe.

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

Ed25519 Receipt

Receipt ID: rcpt_dc6bcb4a3d25f6af
Output Hash: ca33bf375f4a94cabd466f4361b03d04925a2180d4b20345fbd8e114e87aeee8
Signature: ed25519:50fd80326c246fe126d9b87e1038a930ee35a8e221c723b6742c4fe0a8a9c4f25c3a8fee0b6c584733923707263f2bb8bbace46b8affd078108c9dd56e8d240b
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

Permalink: https://domaindrift.io/t/dumbarev.cz