Startseite - Landeshauptstadt Düsseldorf
duesseldorf.de
Offizielles Stadtportal der Landeshauptstadt Düsseldorf. Mit Angeboten aus den Bereichen Aktuelles, Lebenssituationen, Rathaus Online, Tourismus, Kunst, Kultur, ...
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duesseldorf.de
Offizielles Stadtportal der Landeshauptstadt Düsseldorf. Mit Angeboten aus den Bereichen Aktuelles, Lebenssituationen, Rathaus Online, Tourismus, Kunst, Kultur, ...
1 IPv4 address(es) detected.
0 IPv6 address(es) detected.
4 NS record(s); 2 or more required.
Authoritative zone record.
Both DS and DNSKEY are required.
Certificate authority restriction.
Agreement between public resolvers.
3 MX record(s).
SPF policy published.
DMARC policy published.
No tested DKIM selector responded.
Mail transport policy.
TLS reporting policy.
195 day(s) remaining.
Full points require at least 30 days remaining.
5 of 9 evaluated headers detected.
PTR: duesseldorf.de
Two or more IPv4 addresses receive full points.
AAAA availability.
At least one address family must resolve.
HTTP/1.1 200 OK
Final URL uses HTTPS.
193.27.22.39
Not configured
Not configured
10 mail52.itk-rheinland.de. 10 mail42.itk-rheinland.de. 10 mail32.itk-rheinland.de.
"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.itk-rheinland.de. pns.dtag.de. secondary006.dtag.net. ns2nd.itk-rheinland.de.
ns.itk-rheinland.de. postmaster.duesseldorf.de. 2970831940 10800 1800 1209600 43200
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
Not configured
v=spf1 ip4:193.27.22.88 include:_spf.rexx-suite.com ~all
v=DMARC1; p=none; rua=mailto:dmarc.lhd@itk-rheinland.de
Not configured
5 public resolvers queried.
8.8.8.81.1.1.19.9.9.9208.67.222.22294.140.14.14Port 25: Closed/unreachable - 134.1 ms - Port 465: Closed/unreachable - 107.3 ms - Port 587: Closed/unreachable - 4492.4 ms -