bety.cz

Observed Aug 10, 2026, 03:02 UTC (3d ago). Every field below was attested with an Ed25519 signature at scan time.

This reading of bety.cz was taken 3d ago

bety.cz is on the survey sweep, which works its way across the whole catalog rather than returning to one name on a schedule. Putting bety.cz under watch moves it to the fast lane, where DomainDrift re-checks it about every 5 minutes and signs each reading, so a change becomes a dated event within minutes instead of waiting for the sweep to come round.

Watch bety.cz Watching a domain needs a DRM3 account. The reading above stays free and public either way.

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Up right now

Email byMicrosoft 365

Secured byLet's Encrypt

Also usesGoogle Search Console

1 subdomain · majestic

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

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

bety.cz

A / AAAA

81.0.231.103

unattributedserves the site

ns1.houfek.czns3.houfek.cz

houfek.czanswers its DNS

bety-cz.mail.protection.outlook.com

Microsoft 365receives its email

TLS

www.bety.cz

Let's Encryptissued its certificate

DNS Records

A 1

81.0.231.103

MX 1

10bety-cz.mail.protection.outlook.com

TXT 3

google-site-verification=C-4ldYX5rNmmJj79JydV5jCrkr1nPxdL5p8LK49EZVU
v=spf1 ip4:81.0.231.96/28 ip4:77.78.97.112/28 ip4:77.78.111.128/25 include:spf.protection.outlook.com -all
MS=ms10191340

NS 2

ns1.houfek.cz
ns3.houfek.cz

SOA 1

ns1.houfek.cz dnsadmin.houfek.cz

TLS Certificates (4)

Common Name	Issuer	Expires
`www.bety.cz`	C=US, O=Let's Encrypt, CN=YR1	Wed, 16 Sep 2026 06:09:53 +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
`ISRG Root X1`	C=US, O=Internet Security Research Group, CN=ISRG Root X1	Mon, 04 Jun 2035 11:04:38 +0000

Subdomains (1)

www.bety.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; the only network request the check makes is for the published public keys.

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Ed25519 Receipt

Receipt ID: rcpt_e6a1066b8f564122
Output Hash: 9f1dd4727ed5cb05937b4d096242d8da1103ae717bd7998ab8b5882c4ed2f7f4
Signature: ed25519:296eb941e261aadfefbebea58d84daf3c628fa01fb2de76a9fef9aeb9fe3d23c4a83eb4a8097ae9cb54d4e583609f8171d12877a5e408f756e272211b82b1a05
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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