citadellet.dk is a .dk domain served by 4 nameservers (ns1.nordicway.dk, ns2.nordicway.dk, ns3.nordicway.dk and 1 more). It was registered on 13 August 2026 (WHOIS) and first appeared in the .dk zone on 14 August 2026. Its website address 46.4.121.70 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.4.121.70 | 3600s | cp07.nordicway.dk | AS24940 | Hetzner Online GmbH | 46.4.0.0/16 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| protonmail-verification=d32c38ffa3739e50d64e3dd6d2a3309c7dcc5e7c |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (citadellet.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.citadellet.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400 |
| www CNAME | citadellet.dk (all on citadellet.dk) → 46.4.121.70 (AS24940) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 2/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.citadellet.dk | KN41HRZbcIC9UOONwS0DtINnoyuxjcSKzi4wq968Fpw |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026081316 |
| Primary NS (MNAME) | ns1.nordicway.dk |
| Responsible (RNAME) | server@nordicway.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | nordicway ApS |
| Registered | 2026-08-13 |
| Expires | 2027-08-12 (293d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| reverseengineer.dk | Punktum dk A/S (direct) |
| testpairs.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 12:02:30 | 668ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-20 21:08:46 shown | 1222ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-14 13:00:56 | 801ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-08 07:48:44 | 676ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-04 11:48:34 | 725ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-30 12:13:58 | 834ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-27 20:39:09 | 730ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-26 08:59:42 | 2711ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-14 08:45:12 | 7085ms | 4 NS 1 A 2 MX | 🔓 Insecure |