crew-net.dk is a .dk domain served by 2 nameservers (barbara.ns.cloudflare.com, guss.ns.cloudflare.com). It was registered on 15 December 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.5.143 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.unoeuro.com. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.5.143 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.154.167 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.unoeuro.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:9aa7 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:58f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.5.143,172.67.154.167 ech=AEX+DQBBdAAgACCrlhIv03QoIIRMaEQ8GNpowq1LUde5Ju96mbxfgn7gPAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:9aa7,2606:4700:3033::6815:58f |
| www | 104.21.5.143 172.67.154.167 2606:4700:3032::ac43:9aa7 2606:4700:3033::6815:58f (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network crew-net.dk: 104.21.5.143 172.67.154.167 2606:4700:3032::ac43:9aa7 2606:4700:3033::6815:58f (AS13335) www.crew-net.dk: 104.21.5.143 172.67.154.167 2606:4700:3032::ac43:9aa7 2606:4700:3033::6815:58f (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 | 2416702793 |
| Primary NS (MNAME) | barbara.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 | 2014-12-15 |
| Expires | 2026-10-31 (13d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 19:43:00 shown | 740ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 18:27:22 | 542ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-02 08:21:03 | 1052ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-28 06:45:51 | 1552ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-08 20:35:49 | 996ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-30 11:06:24 | 974ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 07:57:01 | 639ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 22:56:20 | 437ms | 2 NS 2 A 1 MX | 🔓 Insecure |