certlens.dk is a .dk domain served by 2 nameservers (rihana.ns.cloudflare.com, toby.ns.cloudflare.com). It was registered on 9 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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.
| www | NXDOMAIN |
| www vs bare domain | Neither resolves certlens.dk: no address www.certlens.dk: no address |
| Wildcard | No |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.certlens.dk | j8dbskvSPjc_WzFuvDQiQULTuzeR26g_O6zazIQ5kSo |
| TXT | _acme-challenge.certlens.dk | yYwFzkE7JfoSSE3BQKCgQSYXv8U3z_hjFJdmfU6DB_M |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2412290426 |
| Primary NS (MNAME) | rihana.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2026-04-09 |
| Expires | 2027-04-08 (173d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| whobat.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 07:22:34 | 4428ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-26 11:34:03 | 9849ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-14 03:23:12 | 967ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-01 02:00:44 | 2963ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-20 19:25:57 | 813ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-18 18:52:31 | 2655ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-17 04:26:26 | 2124ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-15 20:07:29 shown | 2567ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-23 05:13:32 | 2049ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-21 09:24:25 | 542ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-20 21:31:21 | 1025ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 20:10:09 | 324ms | 2 NS 0 A 0 MX | 🔓 Insecure |