dduk.dk is a .dk domain served by 2 nameservers (ns61.domaincontrol.com, ns62.domaincontrol.com). It was registered on 1 March 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.140.127 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns61.domaincontrol.com | — | — | — |
| ns62.domaincontrol.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 162.159.140.127 | — | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | — | — |
| 172.66.0.125 | — | — | AS13335 | Cloudflare, Inc. | 172.66.0.0/22 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:7::7d | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/43 | 🇺🇸 United States | San Francisco |
| 2a06:98c1:58::7d | — | — | AS13335 | Cloudflare, Inc. | 2a06:98c1:58:0:0:0:0:0/47 | 🇺🇸 United States | — |
| TXT Record |
|---|
| v=spf1 include:_spf.google.com a:burdasmtp.hostinghouse.com ~all |
| Policy | Record (dduk.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com a:burdasmtp.hostinghouse.com ~all |
| Policy | Record (_dmarc.dduk.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:dmarc@dduk.dk; ruf=mailto:dmarc@dduk.dk; fo=1; adkim=s; aspf=s; |
| www CNAME | dns.umbraco.io (all on umbraco.io) |
| www vs bare domain | Same network dduk.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335) www.dduk.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| — | 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| 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 | 2024030803 |
| Primary NS (MNAME) | ns61.domaincontrol.com |
| Responsible (RNAME) | dns@jomax.net |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2022-03-01 |
| Expires | 2027-02-28 (126d) |
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 |
|---|---|
| bigsur.dk | Punktum dk A/S (direct) |
| dendanskeukrainekomite.dk | Punktum dk A/S (direct) |
| gfcityguide.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 02:00:57 | 828ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-09-26 08:18:33 | 9721ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-08-28 00:24:35 | 9912ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-06-24 03:02:59 | 1007ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-06-22 12:07:59 | 907ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 01:23:08 shown | 611ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-06-17 01:20:18 | 704ms | 2 NS 2 A 5 MX | 🔓 Insecure |