dueholmdubbing.dk is a .dk domain served by 2 nameservers (candy.ns.cloudflare.com, clark.ns.cloudflare.com). It was registered on 19 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.44.94 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 104.21.44.94 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.198.130 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:2c5e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:c682 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.44.94,172.67.198.130 ech=AEX+DQBB0AAgACARMFY2NFhEn/eBDPyC9RRXteGD6URVf8TCH1zkWMGeYQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:2c5e,2606:4700:3033::ac43:c682 |
| TXT Record |
|---|
| MS=ms89713990 |
| protonmail-verification=c199f75b486c37cd30cb19b7574c2eb8476e0753 |
| v=spf1 ip4:168.119.144.139 include:_spf.protonmail.ch +mx +a ~all |
| Policy | Record (dueholmdubbing.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:168.119.144.139 include:_spf.protonmail.ch +mx +a ~all |
| Policy | Record (_dmarc.dueholmdubbing.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | 104.21.44.94 172.67.198.130 2606:4700:3033::6815:2c5e 2606:4700:3033::ac43:c682 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network dueholmdubbing.dk: 104.21.44.94 172.67.198.130 2606:4700:3033::6815:2c5e 2606:4700:3033::ac43:c682 (AS13335) www.dueholmdubbing.dk: 104.21.44.94 172.67.198.130 2606:4700:3033::6815:2c5e 2606:4700:3033::ac43:c682 (AS13335) |
| Wildcard | No |
DNS lookups: 4/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| 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 | 2417783535 |
| Primary NS (MNAME) | candy.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-02-19 |
| Expires | 2027-03-31 (162d) |
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 |
|---|---|
| aze.dk | Punktum dk A/S (direct) |
| dnshotel.dk | Punktum dk A/S (direct) |
| mitspace.dk | Punktum dk A/S (direct) |
| resellerhotel.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 00:23:05 shown | 871ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-08 06:05:49 | 562ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-29 16:46:43 | 532ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-20 06:35:22 | 700ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-30 16:54:30 | 614ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-29 15:21:46 | 2187ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-28 07:11:34 | 1064ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-26 14:30:01 | 1067ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-20 16:18:49 | 2838ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-02 09:46:02 | 2118ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-22 20:57:35 | 920ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-22 05:16:40 | 877ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 04:55:25 | 716ms | 2 NS 2 A 2 MX | 🔓 Insecure |