k73.dk is a .dk domain served by 2 nameservers (dana.ns.cloudflare.com, peyton.ns.cloudflare.com). It was registered on 20 October 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.42.228 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.42.228 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.167.169 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.42.228 |
| 🔶 Autoconfig | 172.67.167.169 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:2ae4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:a7a9 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.42.228,172.67.167.169 ech=AEX+DQBBQgAgACCbde6tM6EOwMEqrofFKd/3zITs+sTjEwlITatt6d8caAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:2ae4,2606:4700:3035::ac43:a7a9 |
| Policy | Record (_dmarc.k73.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | 104.21.42.228 172.67.167.169 2606:4700:3035::6815:2ae4 2606:4700:3035::ac43:a7a9 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 2417469583 |
| Primary NS (MNAME) | dana.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 | 2008-10-20 |
| Expires | 2027-10-31 (374d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 23:23:00 shown | 450ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-13 22:54:03 | 1082ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-12 21:02:30 | 1017ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-10 16:20:02 | 1939ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 09:56:55 | 448ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 14:31:52 | 587ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-19 07:18:53 | 1095ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-27 13:23:32 | 1631ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-27 08:48:33 | 732ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-12 16:37:21 | 856ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-20 13:44:14 | 1030ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 13:56:13 | 2537ms | 2 NS 2 A 0 MX | 🔓 Insecure |