thereef.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. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.17.203 | — | — | AS13335 | — | — | — | — |
| 172.67.178.73 | — | — | AS13335 | — | — | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | custmx.cscdns.net | 198.58.121.58 | 198-58-121-58.ip.linodeusercontent.com | AS63949 Akamai Connected Cloud |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:11cb | — | — | AS13335 | — | — | — | — |
| 2606:4700:3033::ac43:b249 | — | — | AS13335 | — | — | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.17.203,172.67.178.73 ech=AEX+DQBBgwAgACA0KOPNBqTxhLwg5g8zJrhsSmTaWtcJ+w22tMJDD+Q2UwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:11cb,2606:4700:3033::ac43:b249 |
| www | 188.114.96.1 188.114.97.1 2606:4700:3032::ac43:b249 2606:4700:3037::6815:11cb (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| 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 | 2406643825 |
| 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 (42d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 14:18:48 | 603ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 07:04:20 | 558ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-29 15:55:21 | 802ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 15:15:58 | 655ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 03:54:17 | 1466ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-10 06:19:40 | 3026ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-25 01:47:38 | 9509ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 19:01:24 | 880ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 17:54:17 shown | 1456ms | 2 NS 2 A 1 MX | 🔓 Insecure |