langsøhus.dk is a .dk domain served by 2 nameservers (jay.ns.cloudflare.com, uma.ns.cloudflare.com). It was registered on 27 May 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.88.88 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.88.88 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.174.175 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::ac43:aeaf | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:5858 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.88.88,172.67.174.175 ech=AEX+DQBBSwAgACDTH0dO93KIbPZYAycK7ldErPVzWNPCBLxALbPI6FMxdQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:aeaf,2606:4700:3035::6815:5858 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (langsøhus.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.langsøhus.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; |
| www | Address record (no CNAME) |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2404836179 |
| Primary NS (MNAME) | jay.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2005-05-27 |
| Expires | 2027-05-31 (216d) |
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 |
|---|---|---|---|
| 2026-09-29 22:09:41 | 372ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-27 01:30:25 | 608ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-26 01:26:51 | 597ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 00:32:33 | 465ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-18 05:44:49 | 706ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-15 15:19:05 | 1419ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-28 02:13:41 | 17343ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-20 10:51:04 | 1153ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-24 06:09:40 | 1068ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-06-21 21:05:32 | 3694ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-21 11:01:13 | 959ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 08:33:42 shown | 1194ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-21 03:50:53 | 1101ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 08:26:31 | 363ms | 0 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-17 13:07:37 | 627ms | 2 NS 2 A 0 MX | 🔒 Secure |