føs.dk is a .dk domain served by 2 nameservers (reese.ns.cloudflare.com, sierra.ns.cloudflare.com). It was registered on 18 June 2026 (WHOIS) and first appeared in the .dk zone on 19 June 2026. Its website address 104.21.17.87 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 |
|---|---|---|---|---|---|---|---|
| 104.21.17.87 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.175.100 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:1157 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:af64 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.17.87,172.67.175.100 ech=AEX+DQBB/gAgACBj3ZQaazmR4RDKgbRkFbDDCXC7k/q2zBXwpGrN2qG/LQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1157,2606:4700:3037::ac43:af64 |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve føs.dk: 104.21.17.87 172.67.175.100 2606:4700:3033::6815:1157 2606:4700:3037::ac43:af64 (AS13335) (all like this)www.føs.dk: no address |
| Wildcard | No |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.føs.dk | c9S9feWL1WfcniUZrCgNFjB93QRYKZAWY0y1XQ0TMCQ |
| TXT | _acme-challenge.føs.dk | cyDbu6Wt_PpfxaLCPIYJQreR8QswVgqgwiIxg0rJBgo |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2413552357 |
| Primary NS (MNAME) | reese.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2026-06-18 |
| Expires | 2027-06-17 (237d) |
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 |
|---|---|
| føsdag.dk | ONE.COM A/S |
| føsdrengedag.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 04:28:57 | 1862ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-10-01 07:31:23 | 659ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-09 09:26:17 | 9975ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-03 03:19:21 | 650ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-30 18:08:04 shown | 1818ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-08-28 02:26:05 | 1394ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 13:31:34 | 9501ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-18 05:52:07 | 1086ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-25 04:58:38 | 1077ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-06-20 01:45:20 | 1310ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-19 08:40:11 | 777ms | 2 NS 2 A 0 MX | 🔒 Secure |