unibtb.dk is a .dk domain served by 2 nameservers (nadia.ns.cloudflare.com, otto.ns.cloudflare.com). It was registered on 17 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.27.228 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 |
|---|---|---|---|---|---|---|---|
| 104.21.27.228 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.169.204 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:1be4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:a9cc | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.27.228,172.67.169.204 ech=AEX+DQBBGgAgACDXtcrNIgCrUouNh2NzXiayHDq57GWhVUm3+1b57TVAFQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:1be4,2606:4700:3036::ac43:a9cc |
| www | Exists, no address |
| www vs bare domain | www does not resolve unibtb.dk: 104.21.27.228 172.67.169.204 2606:4700:3030::6815:1be4 2606:4700:3036::ac43:a9cc (AS13335) (all like this)www.unibtb.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 |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.unibtb.dk | 6PnK5CWmrgCkCZVp4p-POC0qVbqZXdL9XT5Q2w0ojt4 |
| TXT | _acme-challenge.unibtb.dk | Hhi_Pn1mCAZARplBaqAXxSBuwha8HWvzNMROmKp7X5Y |
| TXT | _acme-challenge.unibtb.dk | JjrkA3NEoA1liNWIcLBFFTHA97tw8dybYXa_vurkh9g |
| TXT | _acme-challenge.unibtb.dk | NswYkRmNkRb0NGGJ5fzEETCtvlFrpOTTRMW7jNAV7hU |
| TXT | _acme-challenge.unibtb.dk | _peujtkVefIWgaJKVq_dUaqyZ1EZpxcljV3Oq6oHb88 |
| TXT | _acme-challenge.unibtb.dk | hAhZ470g16cr7X13903p3H2a9t4l8J3nWZK024L7wyU |
| TXT | _acme-challenge.unibtb.dk | hTkCm-VLJFbo3FJd--dZqr_HLM0Qijs8HOPgm4KfY8g |
| TXT | _acme-challenge.unibtb.dk | qoeI4NuCsNldyv4EY3xsiYLLtxG6-qRnBsBCj0pfod0 |
| TXT | _acme-challenge.unibtb.dk | tMgzJt3QpVirnwTRCnFX_yOfRU4SEpdt1NweyaYIcGk |
| TXT | _acme-challenge.unibtb.dk | uCaGTe5VUcc_VvYpJEDTRB_rrfX6kL5wHN7PMImUV9k |
| TXT | _acme-challenge.unibtb.dk | u_ZEQkfv42Huscwc9AJpZIsA0gj4qH6fwrhSS6QJETQ |
| TXT | _acme-challenge.unibtb.dk | v5Da5x8BfR3m6KFNmUC5MoP1Tt_4rsuJYHDqtQLm6LM |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'unibtb.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2416505024 |
| Primary NS (MNAME) | nadia.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | WEBHOSTING A/S |
| Registered | 2026-04-17 |
| Expires | 2027-04-16 (173d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 07:33:21 | 467ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-10-22 16:14:31 | 2211ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-21 05:31:37 | 1265ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-19 14:55:17 | 2410ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-18 14:11:48 | 407ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-10-17 13:50:37 | 2242ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-16 12:43:57 | 2008ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-15 11:21:50 | 733ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-14 10:44:14 | 471ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-10-13 09:50:33 | 766ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-12 02:35:30 | 2784ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-10 22:26:46 | 2839ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-09 19:51:21 | 755ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-08 12:46:20 | 823ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-07 12:44:47 | 1613ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-06 11:07:02 | 2873ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-05 09:57:44 | 826ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-04 09:53:10 shown | 541ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-10-03 09:51:46 | 2346ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-02 09:50:20 | 853ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-01 09:49:31 | 1716ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-30 09:46:56 | 750ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-09-29 23:44:17 | 780ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-28 23:35:34 | 1269ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-27 23:18:05 | 840ms | 2 NS 0 A 0 MX | ⚠️ Bogus |