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24
Total
45
DNS
45
Email
0
Security
0
Network
20
Availability
Domainuni-kl.de
IPv40
IPv60
MX records2
StatusActive
Domain technical report

uni-kl.de

uni-kl.de

Generated: 2026-08-09T04:04:21-05:00 · Cached result

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IPv40
IPv60
MX2
NS4

DiagnosticsMain findings and recommendations

!
IPv4 (A)0 / 30 pts · Dns

0 IPv4 address(es) detected.

!
IPv6 (AAAA)0 / 10 pts · Dns

0 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 policy0 / 5 pts · Dns

Certificate authority restriction.

!
DNS propagation0 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

2 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

!
DMARC0 / 25 pts · Mail

DMARC policy not found.

!
DKIM0 / 20 pts · Mail

No tested DKIM selector responded.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

!
Valid TLS certificate0 / 55 pts · Security

No valid certificate was retrieved.

!
Certificate lifetime0 / 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 DNS0 / 30 pts · Network

PTR not detected.

!
IPv4 diversity0 / 35 pts · Network

Two or more IPv4 addresses receive full points.

!
IPv6 connectivity0 / 35 pts · Network

AAAA availability.

!
DNS resolution0 / 40 pts · Availability

At least one address family must resolve.

!
HTTP response0 / 40 pts · Availability

No successful HTTP response.

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

0 record(s)
—

Not configured

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

2 record(s)
5 mailgate2.uni-kl.de.
10 mailgate1.uni-kl.de.

TXT

5 record(s)
"google-site-verification=VFqXza_4lB1lgkCH_eE3N1n_Tukr84ucqMrSpwrBJ2k"
"MS=ms63363153"
"v=spf1 redirect=_spf.uni-kl.de"
"google-site-verification=RjHtMNQbg2ML2L-wqW6eMCzcI42egal3j3OS9nyhiLU"
"HARICA-JDSzy0pzVp29OdOFFcC"

NS

4 record(s)
ns1.rptu.de.
dns1.belwue.de.
ns2.rptu.de.
dns-2.dfn.de.

SOA

1 record(s)
ns1.rptu.de. hostmaster.uni-kl.de. 2026386876 28800 7200 1814400 86400

CAA

0 record(s)
—

Not configured

DS

1 record(s)
41342 13 2 56BF14921957229C76DC6B5116A356D164F797E4CF472C1E12A74D06 C61F0063

DNSKEY

2 record(s)
257 3 13 J8bYKOjTBmwDq4p1FL4TH8UYIwtKvazPLvnKSu9o4GnDhZq63S0B6FVY SYa23IpzkiiynR5wDyvKpKmfdzHUHw==
256 3 13 y+E6L1a8Tw74g0Ku7wmkWIJAAiAnHwX4xNIkAbu8H0qayuSrobJSuYmb q/tKRZbyvhH6KuAZgnhpRvVTA2rScw==

RRSIG

2 record(s)
NS 13 2 86400 20260819195648 20260805190019 52680 uni-kl.de. U6bxBZdKWZsicgkFsnBOHHbw77pCzz/ySBOHzkaD9BYJ2UKdqAwfZ4jP M/BSck1FwW/CnASv4jUuX+Y0SEXcsA==
DS 8 2 86400 20260817120903 20260803103903 32911 de. lGKvC7zsL93JnqUeTNXEHu3hbgtbhPTCCvqOrjnErdUaD2G31fDbNahC Cw0TfTNrHLIoWl9FG3BpvFZ0FS4lJiOwBR+cjl94BvVge4eOriwEtFcX TmSUN+pQ8qlGDXGHDAvk9Z9tEF6bD/v3WAayw6/W1Qpg/c8MRsZ2KHLT nBo=

NSEC

0 record(s)
—

Not configured

NSEC3

0 record(s)
—

Not configured

SRV

0 record(s)
—

Not configured

NAPTR

1 record(s)
100 10 "s" "x-eduroam:radius.tls" "" _radsec._tcp.eduroam.de.

TLSA

0 record(s)
—

Not configured

SSHFP

0 record(s)
—

Not configured

SPF

Configured
v=spf1 redirect=_spf.uni-kl.de

DMARC

Not configured
—

Not configured

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

No data
Title
Description
Final URL
https://uni-kl.de/
HTTP status

HTTP

Status
Final URL
https://uni-kl.de/
Version
0
Server
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Unavailable
Available
No
Issuer
CN
Valid from
Valid until
Days remaining
Protocol
Cipher

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

Review
!
Differences detected

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
158,29 ms
Cloudflare
1.1.1.1
419,19 ms
Quad9
9.9.9.9
145,55 ms
OpenDNS
208.67.222.222
131,23 ms
AdGuard
94.140.14.14
137,29 ms

IP, geolocation and ASNAssociated network information

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

mailgate2.uni-kl.de

Port 25: Closed/unreachable - 128.4 ms - 
Port 465: Closed/unreachable - 129.1 ms - 
Port 587: Closed/unreachable - 253.3 ms -

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