cpost.cz

Observed Jul 24, 2026, 01:53 UTC (10h 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

Not responding

Signed observation on record.

tranco_100k

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

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

cpost.cz

A / AAAA

193.150.24.114

unattributedserves the site

dns1.cpost.czdns2.cpost.czdns3.cpost.czdns4.cpost.cz

cpost.czanswers its DNS

smtp03.cpost.czsmtp04.cpost.czsmtp01.cpost.czsmtp02.cpost.cz

cpost.czreceives its email

DNS Records

A 1

193.150.24.114

MX 4

10smtp03.cpost.cz
20smtp04.cpost.cz
30smtp01.cpost.cz
40smtp02.cpost.cz

TXT 7

MS=ms45437866
MS=ms75703731
jvQT/77WEo1QuNwwdEMJvrZXLI0zTzisqfBrScZptq52DpD0eIXZZnnmvMMX6vtKO9k8tw5/wLiwzr5QAqiKmQ==
ciscocidomainverification=384559530dbe362a6e311153173c92d635211a035ef306785114fdeaef34f13a
v=spf1 a mx ip4:193.150.24.228 ip4:193.150.25.228 ip4:193.150.24.244 ip4:193.150.25.244 ip4:82.208.7.44 include:spf.protection.outlook.com -all
v=DMARC1; p=quarantine; rua=mailto:ipm48sp@ar.glockapps.com,mailto:report.dmarc@cpost.cz; ruf=mailto:ipm48sp@fr.glockapps.com,mailto:forensis.dmarc@cpost.cz; adkim=r; aspf=s; fo=1; sp=reject;
v=BIMI1; l=https://www.postaonline.cz/documents/13422/8083101/Logotyp_CP_na_vysku.svg; a=https://www.postaonline.cz/documents/13422/8083101/CP_VNC.pem;

NS 4

dns1.cpost.cz
dns2.cpost.cz
dns3.cpost.cz
dns4.cpost.cz

SOA 1

dns1.cpost.cz root.cpost.cz

SRV 4

edgeb2b01.cpost.cz:5060 p10
edgeb2b02.cpost.cz:5060 p10
edgeb2b01.cpost.cz:5061 p10
edgeb2b02.cpost.cz:5061 p10

CAA 2

iodef "mailto:certmgr@cpost.cz"
issue "digicert.com"

TLS Certificates (0)

None.

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 receipt

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

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

Ed25519 Receipt

Receipt ID: rcpt_da279f973df95a25
Output Hash: 8a907afe393f617f32d32d8bb1b714374a703b2843deee97347e43b2a23a00c7
Signature: ed25519:e0ee733f8bfdd57740a437572eeedfbd2f87d70be02025e0454b1bfedcfbf3bc46215d827d3d3780eebafd25b1dc0f51f2dba952faa13c932cbd7721e36afb06
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

Verify this in your browser

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