DNS Report: duesseldorf.de

Generated: 2026-08-10T12:14:45-05:00

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.
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 certificate55/55195 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers19/355 of 9 evaluated headers detected.
OKPTR reverse DNS30/30PTR: duesseldorf.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/1.1 200 OK
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
193.27.22.39
AAAA
CNAME
MX
10 mail52.itk-rheinland.de.
10 mail42.itk-rheinland.de.
10 mail32.itk-rheinland.de.
TXT
"hibp-verify=dweb_obg9bbvpqdxzouvngiwn4hb1"
"v=spf1 ip4:193.27.22.88 include:_spf.rexx-suite.com ~all"
"QuoVadis=759f41f9-090e-48ff-9994-747c8be8ef3b"
"D-TRUST=YUOXH2KLMVGU6BBYFW7EQJP"
"duo_sso_verification=czynCNZY0ovlVO3RPTiG7JiC6n7vhsENRiJj6MgjBYNa5PWPs9EdNM2yPiojoNB4"
"MS=ms33609169"
"google-site-verification=H3C7cO-eVuY249hCd_vjCugwMnKD98oAdgYOnoiMGVw"
"_telesec-domain-validation=355711_2026-02-17_HOBZSv0WZCjaQTJR4gu9vECFLZaL4swbj2sTW44ZsbWZTlQOKq"
"adobe-idp-site-verification=eac65759811f2b1acc9701456fdef56dc0b95bdb81d03d0f4c9e73d353f6efc6"
NS
ns.itk-rheinland.de.
pns.dtag.de.
secondary006.dtag.net.
ns2nd.itk-rheinland.de.
SOA
ns.itk-rheinland.de. postmaster.duesseldorf.de. 2970831940 10800 1800 1209600 43200
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP