Domain technical report
mpg.de
mpg.de
IPv41
IPv60
MX3
NS5
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75
Total
85
DNS
45
Email
81
Security
50
Network
100
Availability
Domainmpg.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
5 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 propagation10 / 10 pts · Dns
Agreement between public resolvers.
MX records20 / 20 pts · Mail
3 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
90 day(s) remaining.
Certificate lifetime10 / 10 pts · Security
Full points require at least 30 days remaining.
HTTP security headers16 / 35 pts · Security
4 of 9 evaluated headers detected.
PTR reverse DNS30 / 30 pts · Network
PTR: www.mpg.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)134.76.31.198
AAAA
0 record(s)—
Not configured
CNAME
0 record(s)—
Not configured
MX
3 record(s)50 c1236.mx.srv.dfn.de. 50 a1236.mx.srv.dfn.de. 50 b1236.mx.srv.dfn.de.
TXT
9 record(s)"google-site-verification=_8HT2hqpeJwL__q-eYwM6eKubRP2nX8kFao2_IlfZOc" "v=spf1 mx include:spf.gwdg.de include:spf.yve-tool.de ip4:155.56.221.13 ip4:155.56.221.14 ~all" "google-site-verification=XHSgSiW3S-oNc6utmVvWr_K-iNo1ZpYHGDMV1ev8txw" "HARICA-B3a5xcxUKYCCSLCxYVE" "hibp-verify=dweb_0tywy72sz0avnp2yfrm5v1g9" "google-site-verification=dnSBuenbktdrWBa2AyYCTsb6kohTtitwQvtLHzFcXWM" "zone-ownership-verification-4e95ba1562fe6b7d7fd5000d249ed3fefed9803b10aab281fb17bc3f9612c984" "adobe-idp-site-verification=4efc5f4912ea5b60334e2704bb3eb956c5e7849e481abd33757f0b1d79d432f3" "MS=ms65105063"
NS
5 record(s)ns1.es.net. dns1.gwdg.de. dns2.gwdg.de. dns3.gwdg.de. sat.mpcdf.mpg.de.
SOA
1 record(s)dns1.gwdg.de. hostmaster.gwdg.de. 805176015 21600 3600 2419200 3600
CAA
0 record(s)—
Not configured
DS
1 record(s)4040 13 2 5BAB7EC9421F6208653C275DC509C20AE56EDC47E45DCDCB7F5F89B0 3F0C75CD
DNSKEY
3 record(s)257 3 13 4+TYPzRdv8pjqsXOp0uCTEhsM/Itn154OqnpqqPuYVfYm3J0owuUkJEf YH3+oYIq2wwCrMU/rtGIiqOqo2e/zg== 256 3 13 VhX5ozMoRJT19qWNt66QlHgouY7AciPhZvzjPN1kd6uRNQZiWNiQW8GQ loGZfbAGda7YhNhrMWf+aIWIFPnQyw== 256 3 13 gwhL9ZzlkzOW0tx0fa85QRhl7llB8LpwsvsOJrXnE/Jso0R/IPPzANds 2/1irACMbj7jxmaY7wA/9gu9Ps3lyg==
RRSIG
4 record(s)NS 13 2 86400 20260818030014 20260808025514 44827 mpg.de. YoLv2kS+XGOLcAU5kQRsI1DabPr1DHZGzWz7cv+JuX7k6r6CogbdN40r RhNLMFLTCaxHGwDgN/pT0g1U9iBAcw== MX 13 2 3600 20260818030014 20260808025514 44827 mpg.de. MlwoycLAb1OWCTSirQQ+RkxSo1++hXf5WOqcZLfo33kNYCdz0OnHuPBA EJJumoyhqrkA4DoB8H414AJhR4LnMw== A 13 2 3600 20260818030014 20260808025514 44827 mpg.de. HG49LULQzeZ1iE9aZygj1hIRk9Z7P2xvsdPi4TeMxwGUy2dbh+1iZgFV 8kMO3OIYn+SF7cAQUAqCXf/BRwqsUw== DS 8 2 86400 20260817120903 20260803103903 32911 de. AGR7Pz8vYGypmOf1Tvu35lKuZ/JjeLrICsmiyNgl2lTGefVXyQXo3dJD iGaHXCv3ayS2/sLIcFfd7jOkHaZcw/sm9aVJB5Eks5zao50Y26FptLlo FKpp75bpqOxThHTqjwSPCunip9eRoVw/ZOs7mqnkyMq84mndu4BgdRE9 ktI=
NSEC
1 record(s)2000plus.mpg.de. A NS SOA MX TXT RRSIG NSEC DNSKEY
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
Configuredv=spf1 mx include:spf.gwdg.de include:spf.yve-tool.de ip4:155.56.221.13 ip4:155.56.221.14 ~all
DMARC
Not configured—
Not configured
DKIM
Not found—
Not configured
Analyzed webpageMetadata and HTTP response
Title and description
No dataTitle
Description
Final URL
https://mpg.de/
HTTP status
HTTP
Status
HTTP/1.1 200 OK
Final URL
https://www.mpg.de/de
Version
2
Server
Apache
X-Powered-By
SSL and HTTP securityCertificate, protocol and security headers
SSL certificate
AvailableAvailable
Yes
Issuer
Hellenic Academic and Research Institutions CA
CN
www.mpg.de
Valid from
2025-11-07T10:12:09-06:00
Valid until
2026-11-07T10:12:09-06:00
Days remaining
90
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256
Security headers
4 activeHSTSNot detected
Content Security PolicyImplemented
X-Content-Type-OptionsImplemented
X-Frame-OptionsImplemented
Referrer PolicyImplemented
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
8.8.8.8134.76.31.198
119,34 ms
Cloudflare
1.1.1.1134.76.31.198
78,59 ms
Quad9
9.9.9.9134.76.31.198
157,90 ms
OpenDNS
208.67.222.222134.76.31.198
296,72 ms
AdGuard
94.140.14.14134.76.31.198
161,45 ms
IP, geolocation and ASNAssociated network information
134.76.31.198
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
c1236.mx.srv.dfn.de
Port 25: Closed/unreachable - 116.8 ms - Port 465: Closed/unreachable - 4020.9 ms - Port 587: Closed/unreachable - 4017.3 ms -