6degree.dk is a .dk domain served by 2 nameservers (amos.ns.cloudflare.com, melissa.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by null.localhost. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | null.localhost | ::1 127.0.0.1 |
localhost localhost |
— — |
| TXT Record |
|---|
| v=DKIM1; p= |
| v=spf1 -all |
| Policy | Record (6degree.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.6degree.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | 192.0.2.1 (address records, no CNAME) |
| www vs bare domain | Same network |
| 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: 0/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.6degree.dk | N0a-qrGukUVGVXxArxyf1twHy3GFNveb56DVc-Qpkco |
| TXT | _acme-challenge.6degree.dk | ZMzTYg3Fnp7ASXO5OJPZnBWEFK8QSbfoKjqV9HtLExQ |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2417651571 |
| Primary NS (MNAME) | amos.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 09:05:19 shown | 1546ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-15 07:29:25 | 1094ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 11:28:04 | 1730ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 11:21:13 | 796ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 13:47:30 | 2680ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 23:17:25 | 3682ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-17 18:25:07 | 1142ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-14 21:44:01 | 9072ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-22 09:28:51 | 877ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 12:55:47 | 805ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 08:28:41 | 512ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 07:36:42 | 1004ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 13:15:37 | 669ms | 2 NS 1 A 1 MX | 🔒 Secure |