fdnrsb.dk is a .dk domain served by 2 nameservers (lewis.ns.cloudflare.com, treasure.ns.cloudflare.com). It was registered on 24 September 2026 (WHOIS) and first appeared in the .dk zone on 25 September 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 | 104.21.6.183 172.67.155.43 2606:4700:3033::6815:6b7 2606:4700:3034::ac43:9b2b (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.fdnrsb.dk | 8DlaA9rpqsfVRfiT3FYj8sU_h7DOPD0CEHyiPnnDGTk |
| TXT | _acme-challenge.fdnrsb.dk | Na5twBtCRa_hYMx3OfLzP3DKLsEYcZ5J1bfw9OB5Jo0 |
| 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 | 2415729487 |
| Primary NS (MNAME) | lewis.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Dynadot LLC |
| Registered | 2026-09-24 |
| Expires | 2027-09-23 (341d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 03:15:48 | 2472ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-29 20:33:06 | 664ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-29 10:01:57 | 622ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-28 09:39:28 | 620ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-27 09:13:47 | 577ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-26 09:04:42 | 552ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-25 08:51:34 shown | 1436ms | 2 NS 0 A 0 MX | 🔓 Insecure |