DNS Report: tu-dresden.de

Generated: 2026-08-09T00:29:45-05:00

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 records20/203 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 certificate55/5580 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: www.tu-dresden.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
141.76.14.10
AAAA
CNAME
MX
10 a3011.mx.srv.dfn.de.
10 c3011.mx.srv.dfn.de.
10 b3011.mx.srv.dfn.de.
TXT
"MS=D5C91E3A539F983C73A5FCFA8FCF7195ADAD6D7E"
"adobe-idp-site-verification=6e2dfc8c175f7d874197fdee6fd92985d1f52f826a486a6e9b9586de11b345a3"
"ZOOM_verify_BknoIvsqjs9bXO0MErTgyw"
"google-site-verification=DGZkuR23xCSStevwpTamkYn6UhvzY8i_KmG3AnopG5Y"
"lnk_sndcpt_00fca03d274327a135473e33e07996dd"
"v=spf1 include:_spf.zih.tu-dresden.de include:_spf.o301.mx.srv.dfn.de include:_spf.bps-system.de include:cemsc.net include:_spf.zimpel.de ~all"
NS
adns1.zih.tu-dresden.de.
dns-1.dfn.de.
adns2.zih.tu-dresden.de.
dns-3.dfn.de.
SOA
pdns1.zih.tu-dresden.de. hostmaster.tu-dresden.de. 2026072300 14400 1800 2764800 1800
CAA
0 issue "letsencrypt.org"
0 issue "harica.gr"
0 issuewild ";"
0 iodef "mailto:ca@tu-dresden.de"
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP