østerhus.dk is a .dk domain served by 2 nameservers (dns1.cscdns.net, dns2.cscdns.net). It was registered on 23 August 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 81.95.245.247 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by xnsterhusp1a-dk0m1i.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 81.95.245.247 | — | — | AS48854 | team.blue Denmark A/S | 81.95.240.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| TXT Record |
|---|
| MS=ms46161515 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (østerhus.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.østerhus.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc@14kt1cdr.uriports.com; ruf=mailto:dmarc@14kt1cdr.uriports.com; fo=1 |
| www | 81.95.245.247 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2021082006 |
| Primary NS (MNAME) | dns1.cscdns.net |
| Responsible (RNAME) | hostmaster@cscdns.net |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 14400s |
| Field | Value |
|---|---|
| Registrar | CSC Digital Brand Service, Inc |
| Registered | 2021-08-23 |
| Expires | 2027-08-31 (309d) |
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 |
|---|---|---|---|
| 2026-09-24 16:51:47 | 886ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 04:02:09 | 1477ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 07:51:32 | 2792ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 21:37:49 | 937ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-20 00:53:52 | 905ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 06:16:00 shown | 1493ms | 2 NS 1 A 1 MX | 🔒 Secure |