olarsen-consult.dk is a .dk domain served by 2 nameservers (ns07.sac-it.dk, ns08.sac-it.dk). It was registered on 16 May 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns07.sac-it.dk | 85.235.243.63 | ns07.sac-it.dk | AS3308 Norlys Telco A/S |
| ns08.sac-it.dk | 128.76.60.63 | ns08.sac-it.dk | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| TXT Record |
|---|
| v=spf1 include:_spf.centerasecurity.dk include:spf.protection.outlook.com -all |
| Policy | Record (olarsen-consult.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.centerasecurity.dk include:spf.protection.outlook.com -all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves olarsen-consult.dk: no address www.olarsen-consult.dk: no address |
| Wildcard | No |
DNS lookups: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| 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 | 2026081010 |
| Primary NS (MNAME) | ns07.sac-it.dk |
| Responsible (RNAME) | hostmaster@olarsen-consult.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | SAC-IT A/S |
| Registered | 2024-05-16 |
| Expires | 2027-05-15 (201d) |
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 |
|---|---|---|---|
| 2026-10-22 16:25:18 | 1747ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-10-15 03:34:41 | 1439ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-10-08 14:48:17 | 944ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-10-01 12:50:47 | 770ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-09-24 11:40:06 | 888ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-09-21 06:20:20 | 893ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-09-12 21:51:50 | 1083ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-09-04 04:07:32 | 752ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-09-02 14:10:45 | 811ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-08-31 13:17:16 | 946ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-08-27 20:30:03 | 681ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-08-20 06:57:39 | 8886ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-08-13 20:23:17 | 1897ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-08-11 05:57:31 shown | 4423ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-06-17 23:48:53 | 1027ms | 3 NS 0 A 3 MX | 🔒 Secure |