fio.cz

Observed Jul 18, 2026, 13:12 UTC (15h ago). Every field below was attested with an Ed25519 signature at scan time.

Up right now

Runs onFio banka

Secured byDigiCert

Also usesGoogle Search Console

8 subdomains · tranco_20k

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

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

fio.cz

A / AAAA

92.38.6.11

Fio bankaserves the site

ns1.fio.czns2.fio.czdns41.cloudns.netdns42.cloudns.net+2 more

fio.cz + cloudns.netanswers its DNS

smtp1.fio.czsmtp2.fio.cz

fio.czreceives its email

TLS

www.fio.cz

DigiCert Incissued its certificate

DNS Records

A 1

92.38.6.11

MX 2

10smtp1.fio.cz
20smtp2.fio.cz

TXT 5

v=spf1 include:_spf.fio.cz -all
apple-domain-verification=PKUNbcv2us1TnYy6
openai-domain-verification=dv-tl43tZnnsUFnDBXDKRpuwYwb
google-site-verification=FWLWSF-IbRbqBhIqqnRYjo1leT8vUBHXDwDQCz-AfDU
v=DMARC1; p=reject; sp=none; rua=mailto:dmarc@fio.cz; ruf=mailto:dmarc@fio.cz

NS 6

ns1.fio.cz
ns2.fio.cz
dns41.cloudns.net
dns42.cloudns.net
dns43.cloudns.net
dns44.cloudns.net

SOA 1

ns1.fio.cz admin.fio.cz

SRV 7

:0 p0
:0 p0
jabber.private.fio.cz:5222 p5
:0 p0
:0 p0
:0 p0
:0 p0

TLS Certificates (2)

Common Name	Issuer	Expires
`www.fio.cz`	C=US, O=DigiCert Inc, CN=GeoTrust EV RSA CA G2	Fri, 06 Nov 2026 23:59:59 +0000
`GeoTrust EV RSA CA G2`	C=US, O=DigiCert Inc, 2.5.4.11=www.digicert.com, CN=DigiCert Global Root G2	Tue, 02 Jul 2030 12:42:57 +0000

Subdomains (8)

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

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

Ed25519 Receipt

Receipt ID: 3343b177-dbc8-42e5-a461-e99b9079b1f1
Output Hash: c75e3cc5a583d7c7c19a80538cc649681d12f78e4ecff43af189eefc00d205c0
Signature: ed25519:7a0cdd36e9c12100ba2f9941f9325ace2997179ffe00ada41c3205dd4f085396ff628d7417d756911c4e5f80fa16f88748fd14f8b554db51b127939765ba4404
Public Key: ed25519:178c3bd0f57d9d64b83cc4630753381e1a465005a2bbba3d032371f24af0bfd8
Parent: (genesis)
Plane: fast

Verify this in your browser

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