netcube.dk is a .dk domain served by 2 nameservers (dilbert.ns.cloudflare.com, keyla.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.netcube.dk. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.netcube.dk | 80.209.99.136 | mail.netcube.dk | AS44869 FIBIA P/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.netcube.dk → 80.209.99.136 |
| 🔶 Autoconfig | mail.netcube.dk → 80.209.99.136 |
| TXT Record |
|---|
| v=spf1 ip4:80.209.99.136 -all |
| Policy | Record (netcube.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:80.209.99.136 -all |
| Policy | Record (_dmarc.netcube.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | Exists, no address |
| www vs bare domain | Neither resolves netcube.dk: no address www.netcube.dk: no address |
| 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 |
|---|---|---|
| dkim | — | 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: 0/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.netcube.dk | DANE-EE · SPKI · SHA-256 | CD1294F0E0233C1D625F0121224D9B1E… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2413166594 |
| Primary NS (MNAME) | dilbert.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 02:25:38 | 434ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-13 00:12:45 | 510ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 10:33:58 | 489ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-26 11:18:21 | 524ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-23 18:48:49 | 632ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-17 16:24:29 | 784ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-27 10:44:33 | 1220ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-27 02:22:34 shown | 763ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-27 00:02:34 | 558ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-16 23:47:12 | 927ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-05 00:08:13 | 1721ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-22 15:00:13 | 1510ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-11 19:54:08 | 17020ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-24 08:06:26 | 1446ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-24 02:02:47 | 1177ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 10:56:39 | 876ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-21 06:36:18 | 957ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 07:27:39 | 651ms | 2 NS 0 A 1 MX | 🔒 Secure |