forbiddenknowledge.dk is a .dk domain served by 2 nameservers (gene.ns.cloudflare.com, seamus.ns.cloudflare.com). It was registered on 26 April 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.63.78.177 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by route3.mx.cloudflare.net, route2.mx.cloudflare.net and 1 more. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 87.63.78.177 | — | 87-63-78-177-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.62.0.0/15 | 🇩🇰 Denmark | Vanløse |
| TXT Record |
|---|
| v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (forbiddenknowledge.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (_dmarc.forbiddenknowledge.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:99299d18f70d46eda99cb8ff927bebd1@dmarc-reports.cloudflare.net |
| www | Exists, no address |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2405425020 |
| Primary NS (MNAME) | gene.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Domeneshop AS |
| Registered | 2023-04-26 |
| Expires | 2027-04-25 (188d) |
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 |
|---|---|---|---|
| 2026-10-16 05:02:48 | 1571ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-07 15:28:32 | 611ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-27 08:49:40 | 1359ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-25 00:12:46 | 1555ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-23 23:32:16 | 946ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-21 04:46:42 | 1018ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-03 23:26:39 | 754ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-31 18:05:43 | 10417ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-30 18:47:11 | 796ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-29 07:49:25 | 1573ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-10 19:41:54 | 1823ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-26 12:55:27 | 2180ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 06:56:19 | 1979ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-14 14:55:02 | 1534ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 10:49:42 | 11984ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 12:20:08 | 1136ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-21 20:06:15 | 1177ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 11:29:43 | 826ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 10:53:15 | 16849ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 10:35:01 | 1766ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 10:34:45 shown | 1212ms | 2 NS 1 A 3 MX | 🔓 Insecure |