ostrupconsulting.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 3 March 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.138.100 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by ostrupconsulting-dk.mail.protection.outlook.com. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.183.138.100 | 3600s | — | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | ostrupconsulting-dk.mail.protection.outlook.com | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.208.40 |
| 🔶 Autoconfig | ostrupconsulting.dk → 46.183.138.100 |
| TXT Record |
|---|
| MS=ms69919379 |
| www CNAME | ostrupconsulting.dk (all on ostrupconsulting.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.ostrupconsulting.dk | ostrupconsulting.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026061801 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@ostrupconsulting.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | GIGAHOST ApS |
| Registered | 2020-03-03 |
| Expires | 2027-03-31 (157d) |
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 |
|---|---|
| kamillaoestrup.dk | GIGAHOST ApS |
| millaoestrup.dk | GIGAHOST ApS |
| østrupconsulting.dk | GIGAHOST ApS |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 04:58:36 | 741ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-15 11:56:39 | 1995ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 15:46:38 | 923ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 13:03:54 | 1586ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 11:46:55 | 1536ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-18 19:00:57 | 1787ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-11 10:42:32 | 1150ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-04 07:18:57 | 1646ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 22:32:57 | 1451ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 22:55:43 | 17126ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-14 08:08:53 | 1902ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-08 19:13:55 | 1614ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-30 22:38:08 | 1321ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-24 00:27:02 | 1371ms | 5 NS 1 A 1 MX | ❓ Unknown |
| 2026-07-18 03:41:10 | 1367ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-10 14:58:44 | 1327ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-03 13:07:13 | 5570ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 17:24:28 | 1191ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 18:31:29 | 1089ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 12:08:22 | 1543ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 12:36:15 shown | 1010ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 14:01:46 | 2816ms | 5 NS 1 A 1 MX | 🔓 Insecure |