marcusottosen.dk is a .dk domain served by 2 nameservers (arely.ns.cloudflare.com, lynn.ns.cloudflare.com). It was registered on 28 June 2025 (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 marcusottosen.dk: no address www.marcusottosen.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 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 | 2416799761 |
| Primary NS (MNAME) | arely.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 | 2025-06-28 |
| Expires | 2027-06-27 (250d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 22:15:20 | 1170ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-08 05:56:06 | 442ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-07 00:14:30 shown | 360ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-03 23:03:32 | 402ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-01 22:59:29 | 390ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-29 22:37:27 | 467ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-27 22:42:08 | 1745ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-25 22:15:43 | 9965ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-22 20:51:42 | 819ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-15 19:29:43 | 1224ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-11 18:28:24 | 1037ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-25 12:44:56 | 9453ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-17 22:54:40 | 2099ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-16 11:40:11 | 3561ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-13 03:01:59 | 2786ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-23 18:24:27 | 850ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-17 19:30:39 | 9055ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-01 12:38:36 | 690ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-27 17:54:31 | 1252ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-20 11:41:41 | 388ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-18 05:53:52 | 2531ms | 2 NS 0 A 0 MX | 🔓 Insecure |