Domain technical report
Heidelberg University - Zukunft seit 1386
uni-heidelberg.de
IPv41
IPv60
MX3
NS4
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79
Total
70
DNS
90
Email
73
Security
50
Network
100
Availability
Domainuni-heidelberg.de
IPv41
IPv60
MX records3
StatusActive
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
4 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.
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
125 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers8 / 35 pts · Security
2 of 9 evaluated headers detected.
PTR reverse DNS30 / 30 pts · Network
PTR: lb1-ocp-west.urz.uni-heidelberg.de
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)129.206.13.71
AAAA
0 record(s)—
Not configured
CNAME
0 record(s)—
Not configured
MX
3 record(s)10 relay.uni-heidelberg.de. 10 relay2.uni-heidelberg.de. 10 relay3.uni-heidelberg.de.
TXT
8 record(s)"apple-domain-verification=rTpijAWdQfNd3V8I" "v=spf1 ip4:129.206.100.212 ip4:129.206.119.212 ip4:129.206.100.213 ip4:129.206.119.213 ip4:129.206.100.214 include:spf.protection.outlook.com mx -all" "1 baa827de-94e8-11d1-9294-0006292e8152 Master /.../uni-heidelberg.de/dcesrv1_ch ba2928f8-94e8-11d1-9294-0006292e8152 dcesrv1.urz.uni-heidelberg.de" "1 baa827de-94e8-11d1-9294-0006292e8152 Readonly /.../uni-heidelberg.de/dcesrv2_ch 13228860-ad1b-11d1-9b86-0006292e7ae1 dcesrv2.urz.uni-heidelberg.de" "cisco-ci-domain-verification=30f96646ddb8814399410d5700143249881b4eb5948ddcc31e894591877b7f84" "cloudflare-verify.uni-heidelberg.de 392311672-383734000" "HARICA-DC3snpUvLUznExHxhK6" "google-site-verification=HZuDm00bKKT2fU_i2mLun2aw8IUNa64kg9ilP3b8-AQ"
NS
4 record(s)dns3.belwue.de. dns2.uni-heidelberg.de. dns.uni-heidelberg.de. dns1.belwue.de.
SOA
1 record(s)dns.uni-heidelberg.de. net-bugs.urz.uni-heidelberg.de. 202607230 21600 1800 2419200 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
Configuredv=spf1 ip4:129.206.100.212 ip4:129.206.119.212 ip4:129.206.100.213 ip4:129.206.119.213 ip4:129.206.100.214 include:spf.protection.outlook.com mx -all
DMARC
Configuredv=DMARC1; p=none; adkim=r; aspf=r; rua=mailto:dmarc@exchange.uni-heidelberg.de
DKIM
Selector s1v=DKIM1;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxUW3rpIUb9dVgABo02A5nhlWpWIwCZOgMWBAoOeCIHn0zPI6hh0y4/s3RN5RNh51hc6TvUZvCfcNPk5I2BsUN1yWWwsPHa9jF3gyLBUl/CEWGDs08L9c59yaYS5zxcW7UFlqeHedm/6/LJzWQKhTRW9xnc2LzZm07hBKfZP+2a5ZuuAlKmR0W3ZsVN6DEV8QSf5VuoMzUw6nZchgo7M5Sb8wmX74lTIeU4A9wo5UezwSluvskIQJELF+7fEOHZ4WmOC0QnWIL8JiDNcz/0IDOFqiFbx8sRpxFEXMA2B4qELjxoYVe7ruQf33hK94UloiIgCmvpc22F/bgtZfHObahQIDAQAB;
Analyzed webpageMetadata and HTTP response
Title and description
ExtractedTitle
Heidelberg University - Zukunft seit 1386
Description
Final URL
https://www.uni-heidelberg.de/en
HTTP status
206
HTTP
Status
HTTP/1.1 200 OK
Final URL
https://www.uni-heidelberg.de/en
Version
2
Server
nginx
X-Powered-By
Express
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
Hellenic Academic and Research Institutions CA
CN
*.ocp-west.urz.uni-heidelberg.de
Valid from
2025-12-12T07:50:40-06:00
Valid until
2026-12-12T07:50:40-06:00
Days remaining
125
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256
Security headers
2 activeHSTSImplemented
Content Security PolicyNot detected
X-Content-Type-OptionsNot detected
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
ConsistentConsistent propagation
5 public resolvers queried.
ResolverServerResultLatency
Google
8.8.8.8129.206.13.71
176,66 ms
Cloudflare
1.1.1.1129.206.13.71
155,98 ms
Quad9
9.9.9.9129.206.13.71
178,12 ms
OpenDNS
208.67.222.222129.206.13.71
757,99 ms
AdGuard
94.140.14.14129.206.13.71
41,41 ms
IP, geolocation and ASNAssociated network information
129.206.13.71
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
relay.uni-heidelberg.de
Port 25: Closed/unreachable - 1 ms - Port 465: Closed/unreachable - 4018.6 ms - Port 587: Closed/unreachable - 4019.9 ms -