whiteboard24.dk is a .dk domain served by 2 nameservers (alina.ns.cloudflare.com, casey.ns.cloudflare.com). It was registered on 1 February 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.36.196 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 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 |
|---|---|---|---|---|---|---|---|
| 104.21.36.196 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.199.13 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::6815:24c4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:c70d | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.36.196,172.67.199.13 ech=AEX+DQBBbQAgACC4bXkO/CM2lDhGvQrkr9fDR3Zk7pt8YuHlvWzdLiqDBAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:24c4,2606:4700:3037::ac43:c70d |
| TXT Record |
|---|
| google-site-verification=Kh0uapR2WEArnvWrbB3lxJtsuJGH_3_DMFBDhlI29Go |
| v=spf1 a mx include:_spf.hostnet.nl -all |
| Policy | Record (whiteboard24.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:_spf.hostnet.nl -all |
| Policy | Record (_dmarc.whiteboard24.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 104.21.36.196 172.67.199.13 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network whiteboard24.dk: 104.21.36.196 172.67.199.13 2606:4700:3034::6815:24c4 2606:4700:3037::ac43:c70d (AS13335) www.whiteboard24.dk: 104.21.36.196 172.67.199.13 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) |
| Wildcard | No |
DNS lookups: 4/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.whiteboard24.dk | 62mAHtD9En3Dcgu92eqkrsfUA8VG-u25VYbmVC1KVO4 |
| TXT | _acme-challenge.whiteboard24.dk | JHLBVwUGdMn0vD_qdRtnYm4OMJJDy-v4l32A97COvvE |
| 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 | 2413331980 |
| Primary NS (MNAME) | alina.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 | 2021-02-01 |
| Expires | 2027-02-28 (125d) |
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).
Showing 100 of 261.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 19:36:58 | 630ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-29 13:16:01 | 497ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-28 12:01:37 shown | 1479ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-27 11:36:37 | 739ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 22:48:12 | 849ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-03 11:46:17 | 7468ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 21:34:01 | 771ms | 2 NS 2 A 0 MX | 🔓 Insecure |