n18.dk is a .dk domain served by 2 nameservers (erin.ns.cloudflare.com, nash.ns.cloudflare.com). It was registered on 11 October 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.34.110 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.34.110 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.159.165 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.34.110 |
| 🔶 Autoconfig | 104.21.34.110 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:9fa5 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:226e | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.34.110,172.67.159.165 ech=AEX+DQBBDgAgACDH6830XIjbPhGwX6lmbkobeH4z2RDPkGcHd/DpskPMWgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:9fa5,2606:4700:3037::6815:226e |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | cpanelemaildiscovery.cpanel.net |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:185.140.164.57 ~all |
| Policy | Record (n18.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +ip4:185.140.164.57 ~all |
| Policy | Record (_dmarc.n18.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:25ffc97350ce4cd7ad750c3385ea1513@dmarc-reports.cloudflare.net; |
| www | 104.21.34.110 172.67.159.165 2606:4700:3032::ac43:9fa5 2606:4700:3037::6815:226e (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
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: 2/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.n18.dk | 3kBkZPt4RP6k7NknUEAnOXuCl_a2dxWQX-KDH0Wqr7Y |
| TXT | _acme-challenge.n18.dk | NrAI6TfvasWk6KNRtx7tRQPqA0tiiNcinfDnzA1Csi0 |
| 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 | 2413129756 |
| Primary NS (MNAME) | erin.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Key-Systems GmbH |
| Registered | 2025-10-11 |
| Expires | 2027-10-10 (348d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 19:30:43 | 662ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-18 04:22:01 | 9452ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-12 15:43:04 | 1251ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-27 18:12:33 | 1168ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 16:21:54 shown | 1010ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-03 23:48:59 | 1739ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-26 07:49:44 | 869ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-22 11:58:08 | 1077ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-22 09:31:29 | 1166ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 17:42:27 | 991ms | 2 NS 2 A 0 MX | 🔓 Insecure |