cwb.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 24 May 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.199.108.153 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed but currently fails validation, 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 |
|---|---|---|---|
| ns1.simply.com | — | — | — |
| ns2.simply.com | — | — | — |
| ns3.simply.com | — | — | — |
| ns4.simply.com | — | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:50c0:8000::153 | — | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8001::153 | — | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8002::153 | — | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| 2606:50c0:8003::153 | — | — | AS54113 | Fastly, Inc. | 2606:50c0:8000:0:0:0:0:0/46 | 🇺🇸 United States | — |
| TXT Record |
|---|
| keybase-site-verification=ZtwVKnx2l321kaagdEbLr7pdQ0TA7NC-b0GGySVXST4 |
| protonmail-verification=54830dac953b862c37f4b7821a0825ab3a65753e |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (cwb.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (_dmarc.cwb.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:abuse@cwb.com |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve cwb.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) (all like this)www.cwb.dk: no address |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 3/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'cwb.dk/DNSKEY/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2022100902 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2020-05-24 |
| Expires | 2027-05-31 (224d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 18:45:00 | 1102ms | 4 NS 4 A 2 MX | 🔒 Secure |
| 2026-10-02 03:39:57 | 605ms | 4 NS 4 A 2 MX | 🔒 Secure |
| 2026-10-01 03:37:17 | 898ms | 4 NS 4 A 2 MX | 🔒 Secure |
| 2026-09-19 03:36:05 | 742ms | 4 NS 4 A 2 MX | 🔒 Secure |
| 2026-08-27 12:59:36 | 1054ms | 4 NS 4 A 2 MX | 🔒 Secure |
| 2026-08-25 23:02:54 | 1111ms | 4 NS 4 A 2 MX | 🔒 Secure |
| 2026-06-28 02:58:02 | 2591ms | 4 NS 4 A 2 MX | 🔒 Secure |
| 2026-06-23 02:23:16 | 971ms | 4 NS 4 A 2 MX | 🔒 Secure |
| 2026-06-16 23:30:06 shown | 632ms | 4 NS 4 A 2 MX | ⚠️ Bogus |
| 2026-06-16 23:20:32 | 892ms | 4 NS 4 A 2 MX | 🔒 Secure |