crewakademi.dk is a .dk domain served by 2 nameservers (addilyn.ns.cloudflare.com, armando.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.60.217 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 |
|---|---|---|---|---|---|---|---|
| 104.21.60.217 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.201.205 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::6815:3cd9 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:c9cd | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.60.217,172.67.201.205 ech=AEX+DQBBQQAgACA6iIDs4iprmxx2wZy3lsnLx7nV0TwFSvLf4NI/g5mHLgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:3cd9,2606:4700:3033::ac43:c9cd |
| www | 104.21.60.217 172.67.201.205 2606:4700:3032::6815:3cd9 2606:4700:3033::ac43:c9cd (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network crewakademi.dk: 188.114.96.1 188.114.97.1 2606:4700:3032::6815:3cd9 2606:4700:3033::ac43:c9cd (AS13335) www.crewakademi.dk: 104.21.60.217 172.67.201.205 2606:4700:3032::6815:3cd9 2606:4700:3033::ac43:c9cd (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 | 2414711034 |
| Primary NS (MNAME) | addilyn.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 17:15:57 | 641ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-18 22:43:18 shown | 1108ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-07 13:11:10 | 1171ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-03 13:08:38 | 976ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-16 23:41:36 | 1096ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-06-26 18:28:27 | 2651ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-16 22:55:19 | 420ms | 2 NS 2 A 0 MX | 🔓 Insecure |