duffspin.dk is a .dk domain served by 2 nameservers (marvin.ns.cloudflare.com, robin.ns.cloudflare.com). It was registered on 12 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.42.203 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.42.203 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.210.15 | 600s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:2acb | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:d20f | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.42.203,172.67.210.15 ech=AEX+DQBBxwAgACAmdfruNoRuWTzoiSZ8+3asFsQZjE+XdY90zWVN7y7MKgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2acb,2606:4700:3031::ac43:d20f |
| www | 104.21.86.201 172.67.136.156 2606:4700:3035::6815:56c9 2606:4700:3036::ac43:889c (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network duffspin.dk: 104.21.86.201 172.67.136.156 2606:4700:3035::6815:56c9 2606:4700:3036::ac43:889c (AS13335) www.duffspin.dk: 104.21.86.201 172.67.136.156 2606:4700:3035::6815:56c9 2606:4700:3036::ac43:889c (AS13335) |
| Wildcard | No |
| 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 | 2404659793 |
| Primary NS (MNAME) | marvin.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 | 2026-05-12 |
| Expires | 2027-05-11 (205d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 17:39:05 | 720ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-08 12:07:09 | 627ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-30 00:32:52 | 515ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 05:46:39 | 494ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-23 01:14:19 | 2056ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-18 07:32:16 | 884ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-01 13:27:16 | 1122ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 19:43:42 | 2484ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-22 02:12:40 | 9780ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-17 23:20:25 | 880ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-23 05:08:36 | 972ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-22 06:31:31 | 1169ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 11:31:13 shown | 612ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 04:55:39 | 402ms | 2 NS 2 A 0 MX | 🔓 Insecure |