hostnavn.dk is a .dk domain served by 2 nameservers (dee.ns.cloudflare.com, marty.ns.cloudflare.com). It was registered on 13 May 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.65.239 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route1.mx.cloudflare.net, route2.mx.cloudflare.net and 1 more. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.65.239 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.152.248 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:98f8 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:41ef | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.65.239,172.67.152.248 ech=AEX+DQBBZAAgACAkrEn6gECgdEWk5PMhWUOSVTCvsfM0cKj3LV+x2nl/MQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:98f8,2606:4700:3036::6815:41ef |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (hostnavn.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.hostnavn.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; |
| www | 104.21.65.239 172.67.152.248 2606:4700:3033::ac43:98f8 2606:4700:3036::6815:41ef (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network hostnavn.dk: 104.21.65.239 172.67.152.248 2606:4700:3033::ac43:98f8 2606:4700:3036::6815:41ef (AS13335) www.hostnavn.dk: 104.21.65.239 172.67.152.248 2606:4700:3033::ac43:98f8 2606:4700:3036::6815:41ef (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 |
| 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: 0/10 · 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-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| 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 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2417387506 |
| Primary NS (MNAME) | dee.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2023-05-13 |
| Expires | 2027-05-12 (205d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 13:10:33 shown | 1622ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-10-07 17:46:25 | 3016ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-10-03 15:59:48 | 773ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-29 15:27:56 | 1047ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-20 15:46:27 | 1352ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-09-13 14:59:15 | 2141ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-26 17:16:07 | 867ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-09 20:23:43 | 1883ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-08-04 12:25:59 | 1753ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-07-16 20:18:12 | 1567ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-07-09 18:28:09 | 1973ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-06-27 10:34:18 | 2847ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-06-22 23:03:16 | 4513ms | 2 NS 2 A 3 MX | 🔒 Secure |
| 2026-06-22 00:48:07 | 1135ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 13:43:27 | 1066ms | 2 NS 2 A 3 MX | 🔒 Secure |