copper.dk is a .dk domain served by 2 nameservers (margo.ns.cloudflare.com, raquel.ns.cloudflare.com). It was registered on 25 November 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.67.139.189 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by copper-dk.mail.protection.outlook.com. 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 |
|---|---|---|---|---|---|---|---|
| 172.67.139.189 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| 104.21.94.203 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:8bbd | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000::/42 | — | — |
| 2606:4700:3036::6815:5ecb | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000::/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.94.203,172.67.139.189 ech=AEX+DQBB0QAgACDqU1EdnPcu0s9MKjmDNx7wf+mhWBGxWdQg2wIltP8YKgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8bbd,2606:4700:3036::6815:5ecb |
| TXT Record |
|---|
| MS=ms24393265 |
| v=spf1 include:_spf.mx.cloudflare.net include:spf.protection.outlook.com ~all |
| Policy | Record (copper.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net include:spf.protection.outlook.com ~all |
| www | 104.21.94.203 172.67.139.189 2606:4700:3030::ac43:8bbd 2606:4700:3036::6815:5ecb (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 2/10 · policy: ~all
No problems found| 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 | 2411652860 |
| Primary NS (MNAME) | margo.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2023-11-25 |
| Expires | 2028-11-24 (763d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 05:54:56 | 3346ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-07 05:48:59 | 3752ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 01:28:20 | 1147ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-28 00:36:13 | 2215ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 23:59:47 | 1109ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 23:55:50 | 1370ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-23 23:42:16 | 1110ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-20 14:26:00 | 2002ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-15 18:50:22 | 1208ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-12 23:32:04 | 4379ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-08 10:28:58 | 808ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-04 16:58:36 | 1942ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-02 01:36:45 | 1519ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 19:27:22 | 1456ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 08:57:30 | 1387ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-16 09:08:42 shown | 1828ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-08 15:21:47 | 1639ms | 2 NS 2 A 1 MX | ❓ Unknown |
| 2026-08-06 14:39:51 | 2016ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-05 11:08:36 | 1616ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-29 10:23:09 | 3162ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-17 04:13:22 | 1510ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-11 08:53:54 | 1988ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-28 01:21:58 | 2646ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 11:30:58 | 1052ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 22:25:26 | 566ms | 2 NS 2 A 1 MX | 🔓 Insecure |