Analyze any domain

Get a complete DNS, email, SSL, HTTP and network analysis in seconds.

Total

DNS

Email

Security

Network

100

Availability

Domainupol.cz

IPv41

IPv60

MX records4

StatusActive

Domain technical report

Univerzita Palackého v Olomouci

upol.cz

Univerzita Palackého v Olomouci je druhá nejstarší univerzita v českých zemích, na Moravě pak je nejstarší.

Generated: 2026-08-10T00:50:44-05:00 · Cached result

JSON CSV PDF Visit site

IPv41

IPv60

MX4

NS3

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

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

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

4 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

106 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers0 / 35 pts · Security

0 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: ff.upol.cz

IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓

HTTP response40 / 40 pts · Availability

HTTP/1.1 200 OK

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

158.194.230.160

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

4 record(s)

12817 bx.virusfree.cz.
12833 cx.spamfree.cz.
12849 dx.spamfree.cz.
12801 ax.virusfree.cz.

TXT

3 record(s)

"3zNARbt6ooYOB+Lzg3XaA39D3JeK4QmZ+FyeRVi9ST64p23zqvAdD8E3UVnBfWw6pa9N7/Wr8OquNBLFV+/o9Q=="
"v=spf1 include:_spf.google.com include:spf.protection.outlook.com ip4:158.194.0.0/16 ip6:2001:718:1401::/48 include:spf.smartemailing.cz include:spf.olc.cz ~all"
"google-site-verification=qJolb0krHwEuAaY3OknP03vj90vAw_uLnaQtyEMhzJo"

NS

3 record(s)

nsa.ces.net.
namer2.upol.cz.
raven.upol.cz.

SOA

1 record(s)

raven.upol.cz. petv.cvt.upol.cz. 2260806401 900 1800 3600000 86400

CAA

0 record(s)

—

Not configured

DS

0 record(s)

—

Not configured

DNSKEY

1 record(s)

257 3 13 A1fAx490jUbxBoijtvQ3WVQGH6lnYYcL8+sjKvkDEfoNofS5VUmF0YYc Nm1xJILoVPdzI8Dp1xQH6tMxuXjHxA==

RRSIG

6 record(s)

DNSKEY 13 2 86400 20260908222209 20260809213640 7056 upol.cz. oS23H+HycK+zObJAJgEpyROuyKxTBs5qfy6mfkOOGJUD9LhD7nHTvvNy VPBbhZ1t1iheuWidgJ64D4jHpBOSfw==
SOA 13 2 86400 20260909052438 20260810042438 7056 upol.cz. SRdQtFCDfMPavKbr4j8nRnUALBcN1rwbKz6zoDPhTMPtMjUeaBv1i5FZ vQl1Z/ZeA2OelVmbdeEGzH2QGrBcAQ==
NS 13 2 86400 20260908215012 20260809210800 7056 upol.cz. AQigv4nZC8JyUQW4Khmp2hk0MBWHUWUS+7gnVQvcLHVjjT+chVCly2+n v6/uggItrZt6YysCGnSdSSUD+vmvlw==
TXT 13 2 86400 20260903115550 20260804111312 7056 upol.cz. b6aBtw2ZPalEq5kWdEQTAApdzZvIZWa26DDRxBX7RyR13gf1BEUNoXa5 h3plxRy3xqoLi0xUXxPFNe6DIde6VQ==
A 13 2 86400 20260908231145 20260809222452 7056 upol.cz. TU8Khau/EAC7HysrW59vfSS3BuCM7uoA3mrgMrnkHTlbQBVfqAR9oQCU M2KqwUu8w5UCtkC1p48mOduNK6jcVA==
MX 13 2 86400 20260904192107 20260805182242 7056 upol.cz. MbOIkJaiuAcRlLK36A+68xKZYwTZb/nLpNjWAAHI9fnJt+lHBvw8RU+H 9+HgFqdkmTw2emOSmTcOO1zni4C9hg==

NSEC

1 record(s)

10oz.upol.cz. A NS SOA MX TXT RRSIG NSEC DNSKEY TYPE65534

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 include:_spf.google.com include:spf.protection.outlook.com ip4:158.194.0.0/16 ip6:2001:718:1401::/48 include:spf.smartemailing.cz include:spf.olc.cz ~all

DMARC

Configured

v=DMARC1; p=none; rua=mailto:dmarc+664774@smartemailing.cz; fo=1

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCVvUBANmVVicwO8PmHLYmetJwGvNXpM54/K2RsG86OimYhcL0lLa0HD4rZGGaMEqiB5GsuV1MHtXUidmXI836J0vRKwiNPKHIzvhLnXpVkgGzAPZau/q2arQGniR07G2948fss0IJRLcg3xLzrd6O2CYVrokg8G+OIp7Hchd217wIDAQAB; n=1024,1453298749,1469023549

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Univerzita Palackého v Olomouci

Description

Univerzita Palackého v Olomouci je druhá nejstarší univerzita v českých zemích, na Moravě pak je nejstarší.

Final URL

https://www.upol.cz/

HTTP status

200

HTTP

Status

HTTP/1.1 200 OK

Final URL

https://www.upol.cz/

Version

Server

Apache

X-Powered-By

PHP/7.2.5

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Hellenic Academic and Research Institutions CA

*.upol.cz

Valid from

2025-11-24T03:52:54-06:00

Valid until

2026-11-24T03:52:54-06:00

Days remaining

106

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES128-GCM-SHA256

Security headers

0 active

—

HSTSNot detected

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

—

X-Frame-OptionsNot detected

—

Referrer PolicyNot detected

—

Permissions PolicyNot detected

—

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

158.194.230.160

41,09 ms

Cloudflare

1.1.1.1

158.194.230.160

314,14 ms

Quad9

9.9.9.9

158.194.230.160

209,97 ms

OpenDNS

208.67.222.222

158.194.230.160

25,21 ms

AdGuard

94.140.14.14

158.194.230.160

154,57 ms

IP, geolocation and ASNAssociated network information

158.194.230.160

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

bx.virusfree.cz

Port 25: Closed/unreachable - 24.3 ms - 
Port 465: Closed/unreachable - 4033.4 ms - 
Port 587: Closed/unreachable - 4045 ms -

Recently analyzed domains

View all →

cloudflare.com94 asso.fr4 adminforge.de96 wheresyoured.at61 ab.ca4 mn.us4 amazonaws.com78 blogscribble.com63 century21.com71 4kdownload.com83