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68
Total
80
DNS
70
Email
16
Security
100
Network
100
Availability
Domainuni-ulm.de
IPv42
IPv62
MX records3
StatusActive
Domain technical report

Uni Ulm - Forschung, Studium, Wissenstransfer - Universität Ulm

uni-ulm.de

Forschungsstarke, junge Universität mit über 10 000 Studierenden in Medizin und MINT-Fächern inmitten der Wissenschaftsstadt Ulm.

Generated: 2026-08-09T02:34:54-05:00 · Cached result

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IPv42
IPv62
MX3
NS5

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

2 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

5 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

3 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

✓
DMARC25 / 25 pts · Mail

DMARC policy published.

!
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.

i
HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: dc2.uni-ulm.de

✓
IPv4 diversity35 / 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

2 record(s)
134.60.1.202
134.60.1.177

AAAA

2 record(s)
2001:7c0:3100::202
2001:7c0:3100::177

CNAME

0 record(s)
—

Not configured

MX

3 record(s)
10 c2951.mx.srv.dfn.de.
10 a2951.mx.srv.dfn.de.
10 b2951.mx.srv.dfn.de.

TXT

1 record(s)
"v=spf1 redirect=_spf.uni-ulm.de"

NS

5 record(s)
dns1.uni-ulm.de.
dns1.belwue.de.
dns3.belwue.de.
dns-1.dfn.de.
dns5.belwue.de.

SOA

1 record(s)
dns1.uni-ulm.de. hostmaster.uni-ulm.de. 2026080706 21600 3600 1209600 3600

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

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-ulm.de

DMARC

Configured
v=DMARC1; p=none; sp=none; rua=mailto:spam.feedback@uni-ulm.de; fo=0:d

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Uni Ulm - Forschung, Studium, Wissenstransfer - Universität Ulm
Description
Forschungsstarke, junge Universität mit über 10 000 Studierenden in Medizin und MINT-Fächern inmitten der Wissenschaftsstadt Ulm.
Final URL
https://www.uni-ulm.de/
HTTP status
206

HTTP

Status
HTTP/2 200
Final URL
https://www.uni-ulm.de/
Version
3
Server
Apache/2.4
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

4 active
✓
HSTSImplemented
✓
Content Security PolicyImplemented
✓
X-Content-Type-OptionsImplemented
✓
X-Frame-OptionsImplemented
—
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
134.60.1.177, 134.60.1.202
45,67 ms
Cloudflare
1.1.1.1
134.60.1.177, 134.60.1.202
397,73 ms
Quad9
9.9.9.9
134.60.1.177, 134.60.1.202
213,00 ms
OpenDNS
208.67.222.222
134.60.1.177, 134.60.1.202
31,13 ms
AdGuard
94.140.14.14
134.60.1.177, 134.60.1.202
229,85 ms

IP, geolocation and ASNAssociated network information

134.60.1.202

No data
success
No
country
region
city
asn
organization
isp

134.60.1.177

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

c2951.mx.srv.dfn.de

Port 25: Closed/unreachable - 1.3 ms - 
Port 465: Closed/unreachable - 4020.6 ms - 
Port 587: Closed/unreachable - 4021.9 ms -

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