blockhaus.dk is a .dk domain served by 2 nameservers (adel.ns.cloudflare.com, bob.ns.cloudflare.com). It was registered on 20 June 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.56.169 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 our latest 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 |
|---|---|---|---|---|---|---|---|
| 104.21.56.169 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.187.47 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.56.169 |
| 🔶 Autoconfig | 172.67.187.47 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:38a9 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:bb2f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.56.169,172.67.187.47 ech=AEX+DQBBEQAgACDvShwVB+5Rm7cOoucaSXa34LiwgyGDEdAVRnnl/ILREAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:38a9,2606:4700:3035::ac43:bb2f |
| www | Address record (no CNAME) |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 2416640753 |
| Primary NS (MNAME) | adel.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 | 2017-06-20 |
| Expires | 2027-06-30 (252d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 14:18:03 shown | 469ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 13:51:39 | 452ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-27 20:02:13 | 793ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 19:16:23 | 640ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-17 10:00:14 | 1076ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-16 19:08:55 | 864ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-07 11:43:15 | 1027ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-05 22:07:10 | 916ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-30 17:53:52 | 795ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-25 07:29:43 | 2625ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-23 12:28:28 | 900ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 17:22:21 | 1125ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-16 14:50:57 | 393ms | 2 NS 2 A 0 MX | 🔓 Insecure |