DNS Report: tu-freiberg.de

Generated: 2026-08-09T19:17:32-05:00

78/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/204 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
ERRORDNSSEC chain0/15Both DS and DNSKEY are required.
OKCAA policy5/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/201 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 certificate55/5532 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers16/354 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: maps.tu-freiberg.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
139.20.200.76
AAAA
CNAME
MX
5 mailgateway.hrz.tu-freiberg.de.
TXT
"HARICA-Vp23xaRjaXFZ9KBlwau"
"MS=ms48197277"
"v=spf1 redirect=_spf.tu-freiberg.de"
"sophos-domain-verification=b704e365621b5c4ef05b59dc33f1f1f03edb0454facd088e003977d51a7c08d7"
"adobe-idp-site-verification=a18761e87b6dea07c777e8e3c31f1de92eaeea79d4d96c5aff5e0c6902991380"
NS
edns1.hrz.tu-freiberg.de.
dns-3.dfn.de.
dns-1.dfn.de.
edns2.hrz.tu-freiberg.de.
SOA
edns1.hrz.tu-freiberg.de. hostmaster.tu-freiberg.de. 1247 10800 3600 2419200 900
CAA
0 issue "harica.gr"
0 issue "letsencrypt.org"
0 iodef "mailto:security@tu-freiberg.de"
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP