luu-clausen.dk is a .dk domain served by 2 nameservers (cody.ns.cloudflare.com, isla.ns.cloudflare.com). It was registered on 1 July 2026 (WHOIS) and first appeared in the .dk zone on 2 July 2026. Its website address 104.21.26.12 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.26.12 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.135.32 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:8720 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:1a0c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.26.12,172.67.135.32 ech=AEX+DQBBtgAgACCWhQ4QeqIZU///JrIG1CRzV2gmfVlCUWMCOnvLXUaSIwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8720,2606:4700:3033::6815:1a0c |
| www | 104.21.26.12 172.67.135.32 2606:4700:3030::ac43:8720 2606:4700:3033::6815:1a0c (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network luu-clausen.dk: 104.21.26.12 172.67.135.32 2606:4700:3030::ac43:8720 2606:4700:3033::6815:1a0c (AS13335) www.luu-clausen.dk: 104.21.26.12 172.67.135.32 2606:4700:3030::ac43:8720 2606:4700:3033::6815:1a0c (AS13335) |
| Wildcard | No |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.luu-clausen.dk | ABferEJWgq0dRuVveb_reJMygf8ZMW20o6AFV0Uxb2M |
| TXT | _acme-challenge.luu-clausen.dk | oGxwOps-KvwN7nPMBCUUMuCbW6ORdkwjIN9YvoeNz20 |
| 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 | 2413520923 |
| Primary NS (MNAME) | cody.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2026-07-01 |
| Expires | 2027-06-30 (246d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-26 07:01:02 | 448ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-07 21:25:59 | 375ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-15 07:06:09 | 1230ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-01 16:28:54 | 984ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-30 00:38:39 shown | 900ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-02 08:53:44 | 2185ms | 2 NS 2 A 0 MX | 🔓 Insecure |