2sek.dk is a .dk domain served by 2 nameservers (ali.ns.cloudflare.com, jim.ns.cloudflare.com). It was registered on 18 March 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.52.123 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.52.123 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.199.1 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:c701 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:347b | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.52.123,172.67.199.1 ech=AEX+DQBB8QAgACBOGhKpzC7/Hq5G3+c6Wa1ovmkfXaKa0bpVRR6RUAv/agAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:c701,2606:4700:3035::6815:347b |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve 2sek.dk: 104.21.52.123 172.67.199.1 2606:4700:3031::6815:347b 2606:4700:3031::ac43:c701 (AS13335) (all like this)www.2sek.dk: no address |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving '2sek.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2407182644 |
| Primary NS (MNAME) | ali.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 | 2013-03-18 |
| Expires | 2026-10-31 (14d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 16:23:16 | 1217ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 18:04:10 | 954ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-14 07:42:02 | 661ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-06 00:35:01 | 577ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-24 12:50:19 | 990ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-21 00:12:03 | 7353ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-18 23:19:09 | 850ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-08-17 14:52:48 | 16716ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-08-16 13:27:01 | 2281ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-13 00:11:25 | 1717ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-25 11:43:18 | 2396ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-18 10:35:27 shown | 685ms | 2 NS 2 A 0 MX | ⚠️ Bogus |
| 2026-06-16 12:49:39 | 1069ms | 2 NS 2 A 0 MX | 🔓 Insecure |