efficax.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 October 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.216.14.9 is hosted by Netvaerkssmeden (AS42638) in Denmark. Mail is handled by efficax-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.216.14.9 | — | — | AS42638 | Netvaerkssmeden | 91.216.14.0/24 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| MS=ms17967277 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (efficax.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061301 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2008-10-08 |
| Expires | 2030-10-31 (1474d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 01:49:17 | 1392ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 13:45:10 | 877ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 10:47:26 | 876ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 19:16:28 | 772ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-16 19:04:19 | 1689ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-12 12:35:00 | 627ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 20:30:28 | 1434ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 06:54:51 | 893ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-14 13:43:07 | 4528ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 15:45:02 | 5454ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-14 09:19:05 | 17259ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 20:23:58 | 830ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 23:17:36 | 1105ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 06:29:11 shown | 10408ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 06:18:28 | 2020ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 06:04:07 | 669ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 06:01:06 | 644ms | 2 NS 1 A 1 MX | 🔒 Secure |