marinekort.dk is a .dk domain served by 2 nameservers (gerald.ns.cloudflare.com, heidi.ns.cloudflare.com). It was registered on 6 August 2026 (WHOIS) and first appeared in the .dk zone on 7 August 2026. Its website address 104.21.20.100 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by route1.mx.cloudflare.net, route2.mx.cloudflare.net and 1 more. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.20.100 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.192.18 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:c012 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:1464 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.20.100,172.67.192.18 ech=AEX+DQBBCgAgACAtPlidRLV4eBHP30wO3HqR8gVZMOf60Kz6FDuZ1HnkXgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:c012,2606:4700:3036::6815:1464 |
| TXT Record |
|---|
| google-site-verification=7UlHOBFccWwwNCJ83yNCbPkoaRosQC0jiSpJcVPOlJ8 |
| v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (marinekort.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net ~all |
| www | 104.21.20.100 172.67.192.18 2606:4700:3032::ac43:c012 2606:4700:3036::6815:1464 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network marinekort.dk: 188.114.96.1 188.114.97.1 2a06:98c1:3120::1 2a06:98c1:3121::1 (AS13335) www.marinekort.dk: 104.21.20.100 172.67.192.18 2606:4700:3032::ac43:c012 2606:4700:3036::6815:1464 (AS13335) |
| Wildcard | No |
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-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 | 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 | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2414880285 |
| Primary NS (MNAME) | gerald.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 | 2026-08-06 |
| Expires | 2027-08-05 (291d) |
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 |
|---|---|---|---|
| 2026-09-27 15:47:24 shown | 995ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-18 01:41:53 | 1394ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-03 21:48:25 | 796ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-29 01:54:13 | 1073ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-27 18:51:04 | 546ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 17:50:18 | 443ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-25 00:27:52 | 2182ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-16 00:03:36 | 3254ms | 2 NS 4 A 0 MX | 🔒 Secure |
| 2026-08-14 18:54:17 | 828ms | 2 NS 4 A 0 MX | 🔒 Secure |
| 2026-08-12 04:30:35 | 1047ms | 2 NS 4 A 0 MX | 🔒 Secure |
| 2026-08-07 08:32:52 | 1164ms | 2 NS 4 A 0 MX | 🔒 Secure |