efficiotechnology.dk is a .dk domain served by 2 nameservers (john.ns.cloudflare.com, violet.ns.cloudflare.com). It was registered on 8 December 2015 (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 our latest 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 efficiotechnology.dk: no address www.efficiotechnology.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 | 2416141487 |
| Primary NS (MNAME) | john.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Marcaria.com LLC |
| Registered | 2015-12-08 |
| Expires | 2026-12-31 (71d) |
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 |
|---|---|
| efficioconsulting.dk | Marcaria.com LLC |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 06:08:26 shown | 504ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-29 20:55:37 | 799ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-25 19:56:34 | 1033ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-22 14:16:42 | 823ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-15 13:16:32 | 574ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-12 03:11:24 | 953ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-06 01:37:01 | 443ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-04 14:37:08 | 1005ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-12 20:30:24 | 3867ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-21 08:37:40 | 9638ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-20 02:15:22 | 8656ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-02 16:17:45 | 2602ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-26 05:29:04 | 757ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-25 02:09:31 | 832ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-23 17:57:49 | 2187ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-23 07:18:48 | 954ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 06:21:02 | 906ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-17 06:10:26 | 5350ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-17 06:01:53 | 264ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-17 06:00:34 | 277ms | 2 NS 0 A 0 MX | 🔓 Insecure |