reservationssystem.dk is a .dk domain served by 2 nameservers (ed.ns.cloudflare.com, lucy.ns.cloudflare.com). It was registered on 10 March 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.21.128 is hosted by Cloudflare, Inc. (AS13335). The zone is of unknown DNSSEC status, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.21.128 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.198.161 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:1580 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:c6a1 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.21.128,172.67.198.161 ech=AEX+DQBBrwAgACAhIG0AdIl3HzPUtKafb06tntl/BkzvulFMUBqXCrUyIAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:1580,2606:4700:3036::ac43:c6a1 |
| TXT Record |
|---|
| google-site-verification=kt9OxVfqmPlexALOcN6wJSbMkm9FxE5AntHdiKXKW8k |
| www | 104.21.21.128 172.67.198.161 2606:4700:3035::6815:1580 2606:4700:3036::ac43:c6a1 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network reservationssystem.dk: 104.21.21.128 172.67.198.161 2606:4700:3035::6815:1580 2606:4700:3036::ac43:c6a1 (AS13335) www.reservationssystem.dk: 104.21.21.128 172.67.198.161 2606:4700:3035::6815:1580 2606:4700:3036::ac43:c6a1 (AS13335) |
| Wildcard | No |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.reservationssystem.dk | reservationssystem.dk.kinstavalidation.app |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'reservationssystem.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2409920905 |
| Primary NS (MNAME) | ed.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 | 2014-03-10 |
| Expires | 2027-03-31 (162d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 14:18:00 | 481ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 07:40:19 | 756ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-17 13:00:25 | 1568ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-12 09:21:24 | 1017ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-27 00:51:11 | 1756ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-20 02:31:57 shown | 8778ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-06-17 16:56:04 | 846ms | 2 NS 2 A 0 MX | 🔓 Insecure |