dubious.dk is a .dk domain served by 4 nameservers (ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and 1 more). It was registered on 19 October 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx02.mail.icloud.com, mx01.mail.icloud.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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.
| TXT Record |
|---|
| apple-domain=kAMkqzeI57WiOWWr |
| v=spf1 include:icloud.com ~all |
| Policy | Record (dubious.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:icloud.com ~all |
| www | 88.198.28.3 (AS24940) (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 0 CDNSKEY |
DNS lookups: 5/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.dubious.dk | txgRD7v9hLhigUKT1TaEcQNIiwg26xeuSaJozHMSKl8 |
| TXT | _acme-challenge.dubious.dk | DUlue0RsrsjnxLHla3zMDFdnryOzDs85QvKoydCoTtw |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Key type | Algorithm | Public key |
|---|---|---|
| KSK | RSA/SHA-256 | AwEAAam7CA6XG9A9DL9pIwpH+MjMUjjxXyRipZEJ… |
| ZSK | RSA/SHA-256 | AwEAAYBlXRSIZIxeBek6m3YlS9WaBeK5VRjw2Kzv… |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns-cloud-d1.googledomains.com |
| Responsible (RNAME) | cloud-dns-hostmaster@google.com |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 259200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-10-19 |
| Expires | 2027-07-31 (283d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 03:06:57 | 923ms | 4 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-23 11:52:50 | 3124ms | 4 NS 0 A 2 MX | 🔓 Insecure |
| 2026-09-04 14:34:47 shown | 9262ms | 4 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-27 11:41:02 | 3061ms | 4 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-26 20:17:00 | 2458ms | 4 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-23 14:58:01 | 971ms | 4 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-23 06:21:38 | 1109ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 00:46:51 | 1357ms | 4 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-17 04:55:09 | 2822ms | 4 NS 0 A 2 MX | 🔓 Insecure |