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69
Total
70
DNS
45
Email
69
Security
50
Network
100
Availability
Domainuni-frankfurt.de
IPv41
IPv60
MX records2
StatusActive
Domain technical report

Goethe University Frankfurt – Research, Study, Transfer

uni-frankfurt.de

Discover everything about Goethe University Frankfurt: course offerings, research, campus life, and services for students and researchers.

Generated: 2026-08-09T02:18:22-05:00 · Cached result

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IPv41
IPv60
MX2
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

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 certificate55 / 55 pts · Security

109 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers4 / 35 pts · Security

1 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: www-proxy.server.uni-frankfurt.de

i
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/2 200

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)
141.2.37.198

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

2 record(s)
10 mx1.uni-frankfurt.de.
20 mx2.uni-frankfurt.de.

TXT

7 record(s)
"google-site-verification=3WUA-2rxt3AaRAdON0eQ9BDKjIKZWNEPTz0oJiq5ncE"
"HARICA-APLKyWHAseaCILpKTQL"
"v=spf1 ip4:141.2.22.115 ip4:141.2.22.185 ip4:141.2.22.204 ip4:141.2.22.205 ip4:141.2.22.206 ip4:141.2.22.231 ip4:141.2.22.232 ip4:141.2.22.233 ip4:141.2.22.92 ip4:141.2.22.192 ip4:141.2.42.47 -all"
"docusign=428867fb-dc41-4edf-88df-bdcf41a0dca0"
"apple-domain-verification=9O2ElvMkcA9WIJxP"
"adobe-idp-site-verification=2bfe06eace1bc6cc8672ddc8b4c18c5ea775c59772d31774d04a7d43c97efbe6"
"MS=75E101694B17E7B7770B961A129D1C7E9D592778"

NS

3 record(s)
chaplin.rz.uni-frankfurt.de.
wattdenn.rz.uni-frankfurt.de.
dns-2.dfn.de.

SOA

1 record(s)
chaplin.rz.uni-frankfurt.de. nameservice.uni-frankfurt.de. 2026080700 10000 3600 2419200 86400

CAA

0 record(s)
—

Not configured

DS

0 record(s)
—

Not configured

DNSKEY

0 record(s)
—

Not configured

RRSIG

0 record(s)
—

Not configured

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 ip4:141.2.22.115 ip4:141.2.22.185 ip4:141.2.22.204 ip4:141.2.22.205 ip4:141.2.22.206 ip4:141.2.22.231 ip4:141.2.22.232 ip4:141.2.22.233 ip4:141.2.22.92 ip4:141.2.22.192 ip4:141.2.42.47 -all

DMARC

Not configured
—

Not configured

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Goethe University Frankfurt – Research, Study, Transfer
Description
Discover everything about Goethe University Frankfurt: course offerings, research, campus life, and services for students and researchers.
Final URL
https://www.uni-frankfurt.de/en
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://www.uni-frankfurt.de/en
Version
3
Server
Varnish
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Hellenic Academic and Research Institutions CA
CN
uni-frankfurt.de
Valid from
2025-11-26T03:02:22-06:00
Valid until
2026-11-26T03:02:22-06:00
Days remaining
109
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

1 active
✓
HSTSImplemented
—
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
141.2.37.198
177,29 ms
Cloudflare
1.1.1.1
141.2.37.198
149,02 ms
Quad9
9.9.9.9
141.2.37.198
143,22 ms
OpenDNS
208.67.222.222
141.2.37.198
145,79 ms
AdGuard
94.140.14.14
141.2.37.198
161,04 ms

IP, geolocation and ASNAssociated network information

141.2.37.198

No data
success
No
country
region
city
asn
organization
isp

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

mx1.uni-frankfurt.de

Port 25: Closed/unreachable - 119.5 ms - 
Port 465: Closed/unreachable - 4135.6 ms - 
Port 587: Closed/unreachable - 4021 ms -

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