Domain technical report
Friedrich-Schiller-Universität Jena | Uni Jena
uni-jena.de
Die Universität Jena verbindet: Menschen und Ideen, Wissenschaft und Wirtschaft, Hochschulen und außeruniversitäre Forschungseinrichtungen.
IPv42
IPv62
MX3
NS5
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86
Total
85
DNS
70
Email
84
Security
100
Network
100
Availability
Domainuni-jena.de
IPv42
IPv62
MX records3
StatusActive
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 policy5 / 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 certificate55 / 55 pts · Security
180 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: cms-proxy-02.uni-jena.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)141.35.105.79 141.35.104.79
AAAA
2 record(s)2001:638:1558:2368::1:79 2001:638:1558:2369::1:79
CNAME
0 record(s)—
Not configured
MX
3 record(s)10 a2391.mx.srv.dfn.de. 10 c2391.mx.srv.dfn.de. 10 b2391.mx.srv.dfn.de.
TXT
9 record(s)"adobe-idp-site-verification=7d871a98ab167d376db08c29f1a70063739f85f3a970df38e77380cedabb569d" "v=spf1 redirect=_spf.uni-jena.de" "MS=ms39581131" "google-site-verification=Ts7DD_cYpmvdflghA-o_ZnTuCqd3t_WYj7ctvFabA3c" "apple-domain-verification=egleZAuGPyUpz6CJ" "MS=ms71787841" "ZOOM_verify_ISgAa3fbSISCkbnrZZxIwA" "google-site-verification=CRj7Yv1VpC4pSNOMDfh1iAke8KslbjTIl6vbewIjwSk" "cisco-ci-domain-verification=4b6f1608e2541c2dc34d5924b417fed99296ab43d4101db5f5733b4dc9b99dd4"
NS
5 record(s)dns-extern-03.uni-jena.de. dns-3.dfn.de. dns-extern-01.uni-jena.de. dns-extern-02.uni-jena.de. dns-extern-04.uni-jena.de.
SOA
1 record(s)dns-extern-01.uni-jena.de. hostmaster.uni-jena.de. 2026080801 21600 3600 3600000 86400
CAA
5 record(s)0 issue "letsencrypt.org" 0 issue "harica.gr" 0 issuewild ";" 0 issue "pki.dfn.de" 0 iodef "mailto:certadmin@uni-jena.de"
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
Configuredv=spf1 redirect=_spf.uni-jena.de
DMARC
Configuredv=DMARC1; p=none; rua=mailto:spam@uni-jena.de; ruf=mailto:spam@uni-jena.de;
DKIM
Not found—
Not configured
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
Friedrich-Schiller-Universität Jena | Uni Jena
Description
Die Universität Jena verbindet: Menschen und Ideen, Wissenschaft und Wirtschaft, Hochschulen und außeruniversitäre Forschungseinrichtungen.
Final URL
https://www.uni-jena.de/
HTTP status
200
HTTP
Status
HTTP/2 200
Final URL
https://www.uni-jena.de/
Version
3
Server
nginx
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
Hellenic Academic and Research Institutions CA
CN
www.uni-jena.de
Valid from
2026-07-22T09:30:21-05:00
Valid until
2027-02-06T08:30:20-06:00
Days remaining
180
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384
Security headers
5 activeHSTSImplemented
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
ConsistentConsistent propagation
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.8141.35.104.79, 141.35.105.79
41,57 ms
Cloudflare
1.1.1.1141.35.104.79, 141.35.105.79
150,93 ms
Quad9
9.9.9.9141.35.104.79, 141.35.105.79
50,56 ms
OpenDNS
208.67.222.222141.35.104.79, 141.35.105.79
46,54 ms
AdGuard
94.140.14.14141.35.104.79, 141.35.105.79
234,05 ms
IP, geolocation and ASNAssociated network information
141.35.105.79
No datasuccess
No
country
region
city
asn
organization
isp
141.35.104.79
No datasuccess
No
country
region
city
asn
organization
isp
Visitor information
Visitorip
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
a2391.mx.srv.dfn.de
Port 25: Closed/unreachable - 120.6 ms - Port 465: Closed/unreachable - 4125.2 ms - Port 587: Closed/unreachable - 4009.4 ms -