alt-til-windows.dk is a .dk domain served by 2 nameservers (bart.ns.cloudflare.com, indie.ns.cloudflare.com). It was registered on 18 November 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.94.207 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route1.mx.cloudflare.net, route2.mx.cloudflare.net and 1 more. The zone is DNSSEC-signed but currently fails validation, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.94.207 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.140.12 | 600s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::6815:5ecf | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:8c0c | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.94.207,172.67.140.12 ech=AEX+DQBBlAAgACDX+49OxQrVL+I22MVcTS1ZKEqGBb+rY52oKOXV03b0bQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:5ecf,2606:4700:3033::ac43:8c0c |
| TXT Record |
|---|
| google-site-verification=_pQyPlbj17OLWKleCW47hgLKeYkZT_yLCJiisovyz0c |
| google-site-verification=20Y-Pyexg683L5QOMFa9qF_G6Qa271jyFm_YW2DBQjg |
| google-site-verification=mr-ohEoGCxE2eK6GjxoXYCLf5_Yz8lvCSqnNtUmsyPI |
| google-site-verification=QuT3OSC2zNfiLa9eff8zIff7i9Ol4qVZVmR0LTGv1Zc |
| v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (alt-til-windows.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net ~all |
| www | 104.21.94.207 172.67.140.12 2606:4700:3030::ac43:8c0c 2606:4700:3036::6815:5ecf (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network alt-til-windows.dk: 104.21.94.207 172.67.140.12 2606:4700:3030::ac43:8c0c 2606:4700:3036::6815:5ecf (AS13335) www.alt-til-windows.dk: 104.21.94.207 172.67.140.12 2606:4700:3030::ac43:8c0c 2606:4700:3036::6815:5ecf (AS13335) |
| Wildcard | No |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'alt-til-windows.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2403887630 |
| Primary NS (MNAME) | bart.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 | 2009-11-18 |
| Expires | 2030-04-30 (1286d) |
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 |
|---|---|
| min-mac.dk | Punktum dk A/S (direct) |
| tunebite.dk | Simply.com A/S |
| unikoda.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 03:30:40 | 1145ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-24 10:11:33 | 1292ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-23 15:40:27 | 1023ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-12 10:50:18 | 1489ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-25 16:07:29 | 10562ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-11 04:31:23 | 3046ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-08 12:59:34 | 9604ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-26 04:00:15 | 1431ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-25 22:31:44 | 2472ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-25 05:33:57 | 2229ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-23 01:04:06 | 1112ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 23:44:29 | 824ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-19 19:20:54 shown | 1431ms | 2 NS 2 A 3 MX | ⚠️ Bogus |
| 2026-06-16 12:46:38 | 1105ms | 2 NS 2 A 3 MX | 🔓 Insecure |