dobbelt-v.dk is a .dk domain served by 2 nameservers (dilbert.ns.cloudflare.com, serena.ns.cloudflare.com). It was registered on 7 May 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. We saw it become registrar-handled on 14 October 2026, when it moved from direct registration at Punktum to Simply.com A/S. Its website address 104.21.42.164 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, has no 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.42.164 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.163.139 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 300s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 300s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.163.139 |
| 🔶 Autoconfig | 104.21.42.164 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:2aa4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:a38b | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.42.164,172.67.163.139 ech=AEX+DQBBMwAgACCnWMjBflp06j+m4eqzFG/d2NYVqd4byCHcPG+gt8ZweAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:2aa4,2606:4700:3031::ac43:a38b |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| TXT Record |
|---|
| google-site-verification=r5u9ESNVT3nVDgjS7zE4bS9gPbyBfVxqclfwn3kZcQY |
| v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (dobbelt-v.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| www | 104.21.42.164 172.67.163.139 2606:4700:3030::6815:2aa4 2606:4700:3031::ac43:a38b (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network dobbelt-v.dk: 104.21.42.164 172.67.163.139 2606:4700:3030::6815:2aa4 2606:4700:3031::ac43:a38b (AS13335) www.dobbelt-v.dk: 104.21.42.164 172.67.163.139 2606:4700:3030::6815:2aa4 2606:4700:3031::ac43:a38b (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
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 | 2414868777 |
| Primary NS (MNAME) | dilbert.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2014-05-07 |
| Expires | 2027-05-31 (226d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 09:55:37 | 2930ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-30 06:22:27 | 576ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-21 07:42:34 shown | 769ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-14 09:00:16 | 2518ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-09 08:54:05 | 2496ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-28 06:53:22 | 2754ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-10 09:32:00 | 4809ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-15 19:39:58 | 1116ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-03 00:03:17 | 2062ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-21 12:10:27 | 560ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-20 19:45:02 | 701ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-17 04:20:59 | 23420ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-17 04:12:26 | 1969ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-17 04:03:24 | 557ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-17 04:00:58 | 702ms | 2 NS 2 A 3 MX | 🔓 Insecure |