osc.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 16 October 1998 (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 ASPMX.L.GOOGLE.COM, ALT1.ASPMX.L.GOOGLE.COM and 5 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.183.138.100 | — | — | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| www CNAME | osc.dk (all on osc.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 2026061101 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@osc.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | GIGAHOST ApS |
| Registered | 1998-10-16 |
| Expires | 2026-12-31 (69d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 11:17:57 | 3071ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-10-08 04:34:01 | 3387ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-10-02 00:23:16 | 1020ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-09-29 23:46:42 | 910ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-09-27 04:01:30 | 1265ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-09-24 07:52:20 | 1913ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-09-20 21:02:38 | 1522ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-09-10 18:38:15 | 1264ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-09-03 14:05:11 | 1300ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-08-27 16:34:17 | 965ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-08-20 22:04:32 | 5651ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-08-14 06:38:45 | 8899ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-08-06 16:53:31 | 1650ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-07-31 14:06:20 | 2125ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-07-24 00:12:39 | 1957ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-07-17 04:20:07 | 2021ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-07-13 18:02:12 | 1838ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-07-03 10:57:39 | 9005ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-06-25 23:31:23 | 1279ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-06-22 15:06:45 | 1757ms | 5 NS 1 A 7 MX | 🔓 Insecure |
| 2026-06-17 14:37:52 shown | 2478ms | 5 NS 1 A 7 MX | 🔓 Insecure |