dzd.cz

Observed Jul 25, 2026, 21:28 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

Email byProofpoint

Secured byLet's Encrypt

Also usesGoogle Search Console

IPv6 · 1 subdomain · tranco

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

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

dzd.cz

A / AAAA

91.239.200.812001:67c:e94:0:1:5bef:c851:1

2001serves the site

ns.forpsi.czns.forpsi.itns.forpsi.net

forpsi.cz + forpsi.it + moreanswers its DNS

mxa-00373502.gslb.pphosted.commxb-00373502.gslb.pphosted.com

Proofpointreceives its email

TLS

dzd.cz

Let's Encryptissued its certificate

DNS Records

A 1

91.239.200.81

AAAA 1

2001:67c:e94:0:1:5bef:c851:1

MX 2

10mxa-00373502.gslb.pphosted.com
10mxb-00373502.gslb.pphosted.com

TXT 6

MS=ms74812638
apple-domain-verification=pEN9GdAaoh61kcwU
google-site-verification=MbfXNz5AlxJs71XdTd77vB1gy5mVjwj98KriIe3cq-c
v=spf1 ip4:185.25.184.250 ip4:91.239.200.81 ip4:82.100.18.110 ip4:193.8.86.242 ip4:89.111.119.10 include:servers.mcsv.net include:spfloc.nibe.se include:spf-00373502.pphosted.com include:spf.protection.outlook.com include:spf.emailkampane.cz -all
v=DMARC1; p=reject; fo=1; rua=mailto:1pmvbucl@ag.eu.dmarcadvisor.com; ruf=mailto:1pmvbucl@fr.eu.dmarcadvisor.com
v=BIMI1; l=https://dzd.cz/public-path-to-svgfile/logo-dz-drazice.svg; a=;

NS 3

ns.forpsi.cz
ns.forpsi.it
ns.forpsi.net

SOA 1

ns.forpsi.net admin.forpsi.net

CAA 4

iodef "mailto:admin@dzd.cz"
issue "letsencrypt.org"
issue "www.digicert.com"
issuewild ""

TLS Certificates (2)

Common Name	Issuer	Expires
`dzd.cz`	C=US, O=Let's Encrypt, CN=R13	Sun, 23 Aug 2026 06:40:23 +0000
`R13`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Fri, 12 Mar 2027 23:59:59 +0000

Subdomains (1)

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

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

Ed25519 Receipt

Receipt ID: rcpt_e057fec6d138ccaa
Output Hash: 83472658279dba3d578701fc9b46ee6727ab1ad99bb5358f27bd3421b0f4328e
Signature: ed25519:08c2acdb35a40f2665a7801b7ba778ac93e6e6959280d07a5cbc8d4e878734ad941e6b60a32593400d6adf4a8d2e2acc5d86365f835d669402fa3b9d18d30505
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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