ostergaard-entreprise.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 10 July 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. On 21 October 2026 we saw it transfer from Simply.com A/S to DANDOMAIN A/S. Its website address 152.115.50.2 is hosted by GlobalConnect A/S (AS31027) in Denmark. 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 our latest 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 |
|---|---|---|---|---|---|---|---|
| 152.115.50.2 | 30s | s5.zenep.eu | AS31027 | GlobalConnect A/S | 152.115.0.0/16 | 🇩🇰 Denmark | — |
| 93.191.156.151 | 30s | linux265.unoeuro.com | AS48854 | team.blue Denmark A/S | 93.191.152.0/21 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| TXT Record |
|---|
| centera-verification=97966944a36cff3c1bc8369c007b8c1d136ac75 |
| MS=ms11519937 |
| v=spf1 include:spf.protection.outlook.com include:spf.stom.dk -all |
| Policy | Record (ostergaard-entreprise.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.stom.dk -all |
| www | 152.115.50.2 (AS31027) (address records, no CNAME) |
| www vs bare domain | Same network ostergaard-entreprise.dk: 152.115.50.2 (AS31027) www.ostergaard-entreprise.dk: 152.115.50.2 (AS31027) |
| 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 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| 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 | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026102004 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2003-07-10 |
| Expires | 2027-07-31 (278d) |
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 |
|---|---|
| ost-e.dk | DANDOMAIN A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-25 03:24:06 shown | 1812ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-23 23:53:54 | 467ms | 2 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-21 09:27:11 | 1542ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-13 00:10:34 | 2157ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-02 08:15:52 | 839ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-27 06:53:43 | 743ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-14 05:52:00 | 738ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-07 23:58:34 | 1320ms | 3 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-05 23:09:38 | 1618ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-01 17:03:03 | 803ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 12:13:08 | 1598ms | 3 NS 1 A 1 MX | 🔒 Secure |