thrige-firkanten.dk is a .dk domain served by 2 nameservers (marjory.ns.cloudflare.com, theo.ns.cloudflare.com). It was registered on 11 March 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.67.71 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 |
|---|---|---|---|---|---|---|---|
| 104.21.67.71 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.217.129 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:4347 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:d981 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.67.71,172.67.217.129 ech=AEX+DQBBHwAgACAFnP/Zu/KtLJSP4XHSt9Y+9RQrWd3XPA+1lcuVXQi+JAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4347,2606:4700:3037::ac43:d981 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (thrige-firkanten.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| www | Exists, no address |
| www vs bare domain | www does not resolve thrige-firkanten.dk: 104.21.67.71 172.67.217.129 2606:4700:3031::6815:4347 2606:4700:3037::ac43:d981 (AS13335) (all like this)www.thrige-firkanten.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'thrige-firkanten.dk/DNSKEY/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2411427425 |
| Primary NS (MNAME) | marjory.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 2011-03-11 |
| Expires | 2027-03-31 (156d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 18:41:13 | 524ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-09 09:05:47 | 432ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-07 04:48:02 | 484ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-29 22:58:40 | 488ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 07:11:53 | 592ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-11 10:30:17 | 789ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-29 18:14:37 | 1035ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-25 11:11:10 | 1037ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-07 21:02:20 shown | 8925ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-07-13 19:57:12 | 904ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-02 10:15:25 | 789ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-26 21:15:35 | 757ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-25 14:53:41 | 769ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-24 09:04:47 | 1173ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 02:07:40 | 783ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-20 19:52:38 | 1130ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 18:17:42 | 2101ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 15:37:15 | 4641ms | 2 NS 2 A 0 MX | 🔓 Insecure |