filthyfew.dk is a .dk domain served by 2 nameservers (bethany.ns.cloudflare.com, rocco.ns.cloudflare.com). It was registered on 12 December 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.2.49 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route2.mx.cloudflare.net, route1.mx.cloudflare.net and 1 more. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.2.49 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.152.136 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3037::6815:231 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:9888 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.2.49,172.67.152.136 ech=AEX+DQBBrwAgACCbK1mYDYFz/BAn6S5t+Q/v+Oej3eFNxtPWgz50fNnFPAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:231,2606:4700:3037::ac43:9888 |
| TXT Record |
|---|
| v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (filthyfew.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (_dmarc.filthyfew.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; |
| www | 104.21.2.49 172.67.152.136 2606:4700:3037::6815:231 2606:4700:3037::ac43:9888 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network filthyfew.dk: 104.21.2.49 172.67.152.136 2606:4700:3037::6815:231 2606:4700:3037::ac43:9888 (AS13335) www.filthyfew.dk: 104.21.2.49 172.67.152.136 2606:4700:3037::6815:231 2606:4700:3037::ac43:9888 (AS13335) |
| 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 |
| Selector | CNAME | Key |
|---|---|---|
| default | — | Revoked (empty key) |
| dkim | — | Revoked (empty key) |
| k1 | — | Revoked (empty key) |
| — | Revoked (empty key) | |
| s1 | — | Revoked (empty key) |
| s2 | — | Revoked (empty key) |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
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 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| 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 | 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.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| 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 | 2416354138 |
| Primary NS (MNAME) | bethany.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 | 2017-12-12 |
| Expires | 2026-12-31 (75d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 08:40:26 | 807ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-01 20:22:10 shown | 1197ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-30 20:15:26 | 949ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-29 22:08:48 | 1309ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-28 22:00:00 | 1028ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-27 21:41:29 | 2132ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-23 18:50:10 | 9806ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-23 15:44:11 | 1127ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-17 18:21:07 | 1453ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-14 00:51:02 | 1332ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-06 23:37:22 | 1223ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-24 06:13:31 | 6513ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-14 19:55:25 | 1914ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-06 18:15:31 | 1971ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-31 00:02:32 | 9725ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-24 14:00:35 | 2903ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-23 12:03:11 | 2555ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-22 10:57:51 | 10619ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-19 20:23:25 | 9371ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-14 16:51:21 | 1892ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-07 03:05:17 | 1710ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-04 17:27:39 | 11746ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-27 22:36:19 | 934ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-23 21:21:58 | 5142ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-23 01:37:18 | 1070ms | 0 NS 0 A 0 MX | ❓ Unknown |