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Total

100

DNS

Email

Security

Network

100

Availability

Domainuoou.gov.cz

IPv41

IPv61

MX records1

StatusActive

Domain technical report

Titulní stránka | Úřad pro ochranu osobních údajů

uoou.gov.cz

Generated: 2026-08-10T20:46:48-05:00 · Cached result

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IPv41

IPv61

MX1

NS4

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

✓

IPv6 (AAAA)10 / 10 pts · Dns

1 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

4 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

✓

DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

✓

CAA policy5 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

1 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

✓

DKIM20 / 20 pts · Mail

A DKIM selector was verified.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

94 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers19 / 35 pts · Security

5 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: simplo.vshosting.cz

IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓

IPv6 connectivity35 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓

HTTP response40 / 40 pts · Availability

HTTP/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

217.16.184.42

AAAA

1 record(s)

2a00:1ed0:123::b

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

0 uoou-gov-cz.u-v1.mx.microsoft.

TXT

3 record(s)

"MS=ms71476120"
"w6m6ynqm3jrxgl30l19jzjfjyxht4bg6"
"v=spf1 ip4:217.16.184.42 ip4:80.95.253.224/27 ip6:2a00:1ed0:123::b include:spf.protection.outlook.com -all"

NS

4 record(s)

d.ns.nic.cz.
a.ns.nic.cz.
b.ns.nic.cz.
c.ns.nic.cz.

SOA

1 record(s)

a.ns.nic.cz. hostmaster.nic.cz. 1785863121 900 300 604800 900

CAA

1 record(s)

0 issue "digicert.com"

DS

1 record(s)

51034 13 2 E882A2514E6712612BE056698E9A8AFB0A39EFD9131590CEB530A615 1CDFE9CE

DNSKEY

2 record(s)

257 3 13 QLlSItrsT7ZpsbQs5Qlt5mYwUL5jpABFBCJnurxV2NE7pTSrs/Z6FKpA 3ykMhWIi9Y4jokGFocz4gIdTe5vqwg==
256 3 13 s6E9e/N9UbioH6DFsdRb+cjpuWn9gI7wra9DLAHGnmhI2ZZE700Nudv8 tx/OdhYamarkbK7ZveacArlT72gifw==

RRSIG

2 record(s)

DS 13 3 3600 20260822192728 20260808175728 44666 gov.cz. MQDh9KzRKcZ6WEVipRyGHLcVui4jGQDoytoFJdfkRDH91X+qW6oXYMFn SKuf3U9ETc4+cdxZ06/ox0vf/SMurQ==
SOA 13 3 1800 20260818170521 20260804153521 54987 uoou.gov.cz. alxe36voa5z+9owxL4n5p9qBYIMSiqjrVYFv3sdaDwNEm7nCBwfYa5tq hd8REjIPGKHsJ83tAw99cHFZog9xtA==

NSEC

0 record(s)

—

Not configured

NSEC3

0 record(s)

—

Not configured

SRV

0 record(s)

—

Not configured

NAPTR

0 record(s)

—

Not configured

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 ip4:217.16.184.42 ip4:80.95.253.224/27 ip6:2a00:1ed0:123::b include:spf.protection.outlook.com -all

DMARC

Configured

v=DMARC1; p=quarantine

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw6zUFLfQ8yVCl1hqNDjTdmkrmCZk+8iPi5GZWub78S9JM+j567sxg9pj7eCjsjyegOw6M/euqGViRBGKEo2hsqeZ41aPU3byOght3A1ysu7Q8Rk9EmgmS3ju1vxOEnKacSTCDw+YPZkbBEUjJU0FAaYI87HfNcnB7wKui/kbg1hNXn3Yk50hH2ZS+ssC3QgQ+aSyHgd4pmRhobVwuMp/T2x50Muz89vQ6+jBYd0BSUfrc/n9fagKMWNWe9IB4CVnUM93mBtWU+AEAQO+RMHsdyb2ERP2tVOBt2PAH0EH8bmF08Lk1Lrcnx2rav6LpqCJzOW/tnkKqepJQWzI97VP8QIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Titulní stránka | Úřad pro ochranu osobních údajů

Description

Final URL

https://uoou.gov.cz/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://uoou.gov.cz/

Version

Server

nginx

X-Powered-By

PleskLin

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

DigiCert Inc

uoou.gov.cz

Valid from

2025-10-13T19:00:00-05:00

Valid until

2026-11-13T17:59:59-06:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

5 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

—

X-Frame-OptionsNot detected

✓

Referrer PolicyImplemented

✓

Permissions PolicyImplemented

—

Cross-Origin-Opener-PolicyNot detected

—

Cross-Origin-Embedder-PolicyNot detected

—

Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

217.16.184.42

294,73 ms

Cloudflare

1.1.1.1

217.16.184.42

111,49 ms

Quad9

9.9.9.9

217.16.184.42

407,02 ms

OpenDNS

208.67.222.222

217.16.184.42

478,93 ms

AdGuard

94.140.14.14

217.16.184.42

790,25 ms

IP, geolocation and ASNAssociated network information

217.16.184.42

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

uoou-gov-cz.u-v1.mx.microsoft

Port 25: Closed/unreachable - 19.1 ms - 
Port 465: Closed/unreachable - 4024 ms - 
Port 587: Closed/unreachable - 4038.3 ms -

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