DNS Report: gwdg.de

Generated: 2026-08-09T19:22:13-05:00

76/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/203 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
ERRORDNSSEC chain0/15Both DS and DNSKEY are required.
ERRORCAA policy0/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/203 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5589 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers12/353 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: gwdg.de
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/2 200
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
134.76.9.48
AAAA
CNAME
MX
50 c1234.mx.srv.dfn.de.
50 b1234.mx.srv.dfn.de.
50 a1234.mx.srv.dfn.de.
TXT
"ZOOM_verify_LjBk1sFbQy-6wtNi_30Ayg"
"cisco-ci-domain-verification=67d851688fcc1c57ee98bb39a861e2f214c9686f76ad3ac8eef0d47b9671b0fd"
"apple-domain-verification=wYO3NINDcbjFJ7TK"
"JnNuhZ61Dq/WS8Kja10L597Ejmn3W3Km3Bx1GQpUmVzi7WaJQFDxRCrAsVsLHnSsQvXfNdNn54be3sXckBvmlA=="
"v=spf1 mx ip4:134.76.10.0/23 ip4:134.76.26.0/24 ip4:134.76.9.0/24 ~all"
"mentimeter-8fd2f149-5c4a-4220-818b-5936a0bfca77"
"anthropic-domain-verification-ngjg9a=ktgoQKYeyB59zn3Z2aFHmwtky"
"HARICA-Go642LixGt4gVaKjbGx"
"yDUu5tuVTWp8EsPyo3WWpu7ouxX9SeMYrHQl/HGNgaJgrx4PdF+ZSJAS74cr7b1RtZ0PaAdSUyY/4vt8gXkclA=="
"google-site-verification=RlMXVIa9jlHUUBqfquGVvkPDplQrUmmGy04r9Pcirc8"
"MS=ms66406244"
"_telesec-domain-validation=343623_2025-12-03_jcN52gVtb6yF1cQTjyV88jK3He9OYgYumkjo0g6QsauJ19pQJy"
NS
dns2.gwdg.de.
dns3.gwdg.de.
dns1.gwdg.de.
SOA
dns1.gwdg.de. hostmaster.gwdg.de. 679235006 21600 3600 2419200 3600
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
100 10 "s" "x-eduroam:radius.tls" "" _radsec._tcp.eduroam.de.
TLSA
SSHFP