online-carlsen.dk is a .dk domain served by 2 nameservers (brenda.ns.cloudflare.com, stan.ns.cloudflare.com). It was registered on 23 March 2023 (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 | Exists, no address |
| www vs bare domain | Neither resolves online-carlsen.dk: no address www.online-carlsen.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2416823417 |
| Primary NS (MNAME) | brenda.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 | 2023-03-23 |
| Expires | 2027-03-22 (146d) |
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 |
|---|---|
| bc-consulting.dk | Simply.com A/S |
| lmbc.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 05:49:13 | 964ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-19 17:52:50 | 1326ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-15 11:21:12 | 1267ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-10 00:52:38 | 927ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-07 15:42:40 shown | 366ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-07 13:50:49 | 1241ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-04 05:44:45 | 382ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-30 12:06:42 | 460ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-23 18:17:59 | 567ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-06 01:31:05 | 593ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-27 17:34:58 | 542ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-23 13:51:32 | 3357ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-17 03:04:27 | 933ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-09 10:15:32 | 8760ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-29 23:05:17 | 788ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-07 05:10:56 | 823ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-18 07:29:40 | 533ms | 2 NS 0 A 0 MX | 🔓 Insecure |