hounddog.dk is a .dk domain served by 2 nameservers (ben.ns.cloudflare.com, sue.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.62.108 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route2.mx.cloudflare.net, route3.mx.cloudflare.net and 1 more. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.62.108 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.223.15 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.62.108,172.67.223.15 ech=AEX+DQBBzwAgACDxJ2FjRTVzbxDzXLqpBDHANtNjZ8A7nB+a5Du49OcfGgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= |
| TXT Record |
|---|
| protonmail-verification=0f2ff1081c967b8c1cf7ad747dc4273e2c55653b |
| v=spf1 include:_spf.mx.cloudflare.net include:_spf.protonmail.ch ~all |
| Policy | Record (hounddog.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.hounddog.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:7f3717cb5b9848f8a5a040b07fa84b76@dmarc-reports.cloudflare.net |
| www | 104.21.62.108 172.67.223.15 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network hounddog.dk: 104.21.62.108 172.67.223.15 (AS13335) www.hounddog.dk: 104.21.62.108 172.67.223.15 (AS13335) |
| 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 |
DNS lookups: 3/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| 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.route1.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.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| 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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2407036044 |
| Primary NS (MNAME) | ben.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 01:06:15 | 580ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-30 15:20:17 | 1998ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-30 05:22:16 | 1490ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-28 04:43:58 | 1159ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-27 04:22:34 | 979ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-24 03:37:29 | 1047ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-26 22:03:42 | 924ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-26 21:43:35 | 774ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-03 11:47:13 | 1553ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-02 07:06:51 | 1482ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-07-30 20:05:12 | 1858ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-07-10 18:53:31 | 9851ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-06-20 22:35:13 | 826ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-06-20 04:44:16 shown | 2775ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-06-17 13:47:14 | 266ms | 0 NS 0 A 0 MX | ❓ Unknown |