web-udvikling.dk is a .dk domain served by 2 nameservers (diva.ns.cloudflare.com, donald.ns.cloudflare.com). It was registered on 30 December 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.47.238 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 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 |
|---|---|---|---|---|---|---|---|
| 104.21.47.238 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.174.126 | 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 |
| 20 | 300s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 30 | 300s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | web-udvikling.dk → 217.116.232.211 |
| 🔶 Autoconfig | web-udvikling.dk → 217.116.232.211 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::6815:2fee | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3032::ac43:ae7e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.47.238,172.67.174.126 ech=AEX+DQBBXQAgACAMKxM5pCZHNLqznqPYgDdDy+DTbD3O26gz7olLXoXkOQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:2fee,2606:4700:3032::ac43:ae7e |
| www | 104.21.47.238 172.67.174.126 2606:4700:3032::6815:2fee 2606:4700:3032::ac43:ae7e (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network web-udvikling.dk: 104.21.47.238 172.67.174.126 2606:4700:3032::6815:2fee 2606:4700:3032::ac43:ae7e (AS13335) www.web-udvikling.dk: 104.21.47.238 172.67.174.126 2606:4700:3032::6815:2fee 2606:4700:3032::ac43:ae7e (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.web-udvikling.dk | web-udvikling.dk |
| 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 | 2416113453 |
| Primary NS (MNAME) | diva.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 | 2003-12-30 |
| Expires | 2028-12-31 (802d) |
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 |
|---|---|
| bbbyg-consult.dk | Punktum dk A/S (direct) |
| skaarup-henriksen.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 09:36:54 shown | 505ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-29 21:23:18 | 3255ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-24 19:56:33 | 627ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-23 02:44:55 | 2549ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-17 08:24:53 | 811ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-05 17:46:44 | 1591ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-19 19:52:30 | 1731ms | 2 NS 2 A 3 MX | ❓ Unknown |
| 2026-06-24 02:24:32 | 3518ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-23 16:22:45 | 960ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 08:20:28 | 694ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-19 14:38:00 | 925ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-17 16:59:13 | 3925ms | 2 NS 2 A 3 MX | 🔓 Insecure |