thereefresort.dk is a .dk domain served by 2 nameservers (vick.ns.cloudflare.com, ximena.ns.cloudflare.com). It was registered on 4 November 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.0.173 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by custmx.cscdns.net. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.0.173 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.128.37 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | custmx.cscdns.net | 198.58.121.58 | — | AS63949 Akamai Connected Cloud |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.0.173 |
| 🔶 Autoconfig | 172.67.128.37 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:ad | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:8025 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.0.173,172.67.128.37 ech=AEX+DQBBFwAgACBXxgWQIWfd/k0XFUBixyMpeX2tDEAl9FCdd17GYXqwAQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:ad,2606:4700:3036::ac43:8025 |
| www | 104.21.0.173 172.67.128.37 2606:4700:3033::6815:ad 2606:4700:3036::ac43:8025 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network thereefresort.dk: 104.21.0.173 172.67.128.37 2606:4700:3033::6815:ad 2606:4700:3036::ac43:8025 (AS13335) www.thereefresort.dk: 104.21.0.173 172.67.128.37 2606:4700:3033::6815:ad 2606:4700:3036::ac43:8025 (AS13335) |
| 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 | 2415436929 |
| Primary NS (MNAME) | vick.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | CSC Digital Brand Service, Inc |
| Registered | 2009-11-04 |
| Expires | 2026-11-30 (41d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 10:35:18 | 758ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 05:39:48 | 518ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-29 23:53:28 | 861ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-21 12:37:18 shown | 581ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-08 12:16:03 | 1358ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-31 08:04:02 | 677ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 15:37:55 | 655ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 09:47:24 | 721ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-24 06:26:15 | 9289ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 23:35:41 | 1584ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 06:30:31 | 1112ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 18:37:16 | 4448ms | 2 NS 2 A 1 MX | 🔓 Insecure |