amu.cz

Observed Jul 24, 2026, 07:39 UTC (12h 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 byHellenic Academic and Research Institutions CA

Also usesGoogle Search ConsoleAtlassian

2 subdomains · tranco

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

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

amu.cz

A / AAAA

3.73.5.164

unattributedserves the site

tucnak.r.amu.czgolias.ruk.cuni.czns2.amu.cz

amu.cz + cuni.czanswers its DNS

amu-cz.mail.protection.outlook.com

Microsoft 365receives its email

TLS

www.amu.cz

Hellenic Academic and Research Institutions CAissued its certificate

DNS Records

A 1

3.73.5.164

MX 1

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

TXT 7

v=spf1 ip4:195.113.72.5 ip4:195.113.72.6 include:spf.protection.outlook.com include:_spf.google.com include:servers.mcsv.net include:_spf.atlassian.net -all
atlassian-sending-domain-verification=566c56d9-04cb-4760-8db1-543475558fa2
google-site-verification=yh0_s703e__2mVqL1yhHkUZez066TBBmI2o-7jnxvDk
atlassian-domain-verification=o1OSLUp6/eJNl4Gq4ivqFaosaBuMGAAnKdUjIEBG3cPCuN5OO6camf0UGqj4MWhE
cisco-ci-domain-verification=2db86f6aef20b43f38e6c19034df14cf5c8460079267f7c38f12ce220384a3f2
MS=ms13872568
v=DMARC1; p=none

NS 3

tucnak.r.amu.cz
golias.ruk.cuni.cz
ns2.amu.cz

SOA 1

tucnak.r.amu.cz hostmaster.amu.cz

TLS Certificates (4)

Common Name	Issuer	Expires
`www.amu.cz`	C=GR, O=Hellenic Academic and Research Institutions CA, CN=GEANT TLS RSA 1	Sat, 24 Oct 2026 13:17:22 +0000
`GEANT TLS RSA 1`	C=GR, O=Hellenic Academic and Research Institutions CA, CN=HARICA TLS RSA Root CA 2021	Sat, 31 Dec 2039 11:14:59 +0000
`HARICA TLS RSA Root CA 2021`	C=GR, L=Athens, O=Hellenic Academic and Research Institutions Cert. Authority, CN=Hellenic Academic and Research Institutions RootCA 2015	Fri, 31 Aug 2029 07:41:54 +0000
`Hellenic Academic and Research Institutions RootCA 2015`	C=GR, L=Athens, O=Hellenic Academic and Research Institutions Cert. Authority, CN=Hellenic Academic and Research Institutions RootCA 2015	Sat, 30 Jun 2040 10:11:21 +0000

Subdomains (2)

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

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

Ed25519 Receipt

Receipt ID: rcpt_e09cbd383690d5e0
Output Hash: 21a5b74088e31bef18e6a98b2ea176cfb736a8d385714a3764995e77976b26cf
Signature: ed25519:8d77889a34d921df9b664bafab31c83b99df17f3afcefe8e47a987b1a998639caf8b606ebbec8d5c0cddd2c22fea9ea61372daf17a07314c359762637df8610d
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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