klassenskriver.dk is a .dk domain served by 2 nameservers (jobs.ns.cloudflare.com, liv.ns.cloudflare.com). It was registered on 2 October 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.48.187 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 our latest 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 |
|---|---|---|---|---|---|---|---|
| 104.21.48.187 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.187.196 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:bbc4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:30bb | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.48.187,172.67.187.196 ech=AEX+DQBBiAAgACDiCwefp2qlCZI1528quffFxIGgo3TJG1z79gXnmyfYGAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:bbc4,2606:4700:3036::6815:30bb |
| www | 104.21.48.187 172.67.187.196 2606:4700:3033::ac43:bbc4 2606:4700:3036::6815:30bb (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network klassenskriver.dk: 104.21.48.187 172.67.187.196 2606:4700:3033::ac43:bbc4 2606:4700:3036::6815:30bb (AS13335) www.klassenskriver.dk: 104.21.48.187 172.67.187.196 2606:4700:3033::ac43:bbc4 2606:4700:3036::6815:30bb (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 | 2416575846 |
| Primary NS (MNAME) | jobs.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2024-10-02 |
| Expires | 2027-10-01 (347d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 13:42:17 shown | 933ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-04 07:30:36 | 500ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-01 07:21:06 | 611ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-29 16:04:43 | 616ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-27 20:51:28 | 2393ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-17 06:41:07 | 1390ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-13 21:12:15 | 1419ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-05 19:25:42 | 1003ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-06 11:41:36 | 972ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-16 18:50:35 | 16787ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-27 13:01:01 | 798ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 14:45:09 | 1065ms | 2 NS 2 A 0 MX | 🔓 Insecure |