østerbo.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.188.85.49 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 89.188.85.49 | — | — | AS47292 | Sentia Denmark A/S | 89.188.80.0/21 | 🇩🇰 Denmark | — |
| www | 89.188.85.49 (AS47292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2026030301 |
| 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 | ONE.COM A/S |
| Registered | 2004-02-01 |
| Expires | 2028-02-29 (491d) |
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 |
|---|---|---|---|
| 2026-10-21 05:20:48 | 1829ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-01 00:58:22 | 691ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-20 11:58:00 | 713ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-13 04:57:54 | 987ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-31 10:50:54 | 2315ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 21:58:36 | 746ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-25 16:15:07 | 863ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 13:14:32 shown | 2185ms | 2 NS 1 A 4 MX | 🔒 Secure |