singleboard.dk is a .dk domain served by 2 nameservers (albert.ns.cloudflare.com, heather.ns.cloudflare.com). It was registered on 21 April 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.18.61 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.singleboard.dk. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.18.61 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.180.178 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | mail.singleboard.dk | — | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::ac43:b4b2 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:123d | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.18.61,172.67.180.178 ech=AEX+DQBBiAAgACDk2bGoHjdSOAbgC2s4HBS01Ebjh8w4PdHVfh2PAL4ZBgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:b4b2,2606:4700:3036::6815:123d |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | cpanelemaildiscovery.cpanel.net |
| www | 104.21.18.61 172.67.180.178 2606:4700:3035::ac43:b4b2 2606:4700:3036::6815:123d (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network singleboard.dk: 104.21.18.61 172.67.180.178 2606:4700:3035::ac43:b4b2 2606:4700:3036::6815:123d (AS13335) www.singleboard.dk: 104.21.18.61 172.67.180.178 2606:4700:3035::ac43:b4b2 2606:4700:3036::6815:123d (AS13335) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA Invalid key data — receivers can't verify signatures |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.singleboard.dk | 1b3o6fjH8xgt8iu-qQw0GUkbyY5xz3ICT_1mYtyLv6Y |
| TXT | _acme-challenge.singleboard.dk | thDU7TYfWqhRUjt_TVJV_obBqkOE2jEjFMU6wFglnPM |
| 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 | 2413015046 |
| Primary NS (MNAME) | albert.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 | 2016-04-21 |
| Expires | 2027-04-30 (189d) |
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).
| Domain | Registrar |
|---|---|
| getgaming.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 01:30:32 | 457ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-28 04:48:25 | 632ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-22 14:27:23 | 1211ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 04:56:48 | 696ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-25 18:21:31 | 646ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-24 06:56:18 shown | 3100ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-21 16:51:16 | 10289ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 07:28:33 | 873ms | 2 NS 2 A 1 MX | 🔓 Insecure |