cwn.dk is a .dk domain served by 2 nameservers (dell.ns.cloudflare.com, karl.ns.cloudflare.com). It was registered on 22 December 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.8.78 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by cwn-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| dell.ns.cloudflare.com | — | — | — |
| karl.ns.cloudflare.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.8.78 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.188.83 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::6815:84e | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:bc53 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.8.78,172.67.188.83 ech=AEX+DQBBxAAgACDj7TsM1XQ2Je0M+m3yUJPxgZYPa5bYDBn/ZlIFcoqSfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:84e,2606:4700:3035::ac43:bc53 |
| TXT Record |
|---|
| apple-domain-verification=HE8FrpY8xcIw8SRK |
| google-site-verification=J-_yXwpWRSL8uVfIKOIYAeuUQcp1d_LQWdXXRD6Me6k |
| MS=ms31129836 |
| MS=ms91017133 |
| v=spf1 +a +mx ip4:185.146.22.242 ip4:62.116.200.20 include:smtp01.a-os.dk include:relay.mailchannels.net include:spf.protection.outlook.com ~all |
| Policy | Record (cwn.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx ip4:185.146.22.242 ip4:62.116.200.20 include:smtp01.a-os.dk include:relay.mailchannels.net include:spf.protection.outlook.com ~all |
| Policy | Record (_dmarc.cwn.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | 104.21.8.78 172.67.188.83 2606:4700:3033::6815:84e 2606:4700:3035::ac43:bc53 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
| selector1 | selector1-cwn-dk._domainkey.cwndk.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-cwn-dk._domainkey.cwndk.onmicrosoft.com | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 5/10 · policy: ~all
| 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 | 2406573627 |
| Primary NS (MNAME) | dell.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 | 2000-12-22 |
| Expires | 2026-12-31 (74d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 11:31:33 | 1418ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 06:01:11 | 826ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-27 23:21:28 | 997ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-25 03:35:39 | 10220ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-09 15:10:01 | 10804ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-01 21:07:50 | 1954ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 21:19:14 | 994ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 17:56:03 | 1171ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 23:22:40 | 1102ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 23:21:40 shown | 885ms | 2 NS 2 A 1 MX | 🔓 Insecure |