cobsc.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 1 February 2005 (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 mx1.gigahost.dk, mx2.gigahost.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 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 | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| www CNAME | cobsc.dk (all on cobsc.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 | 2026071601 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@cobsc.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2005-02-01 |
| Expires | 2027-07-31 (280d) |
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 |
|---|---|---|---|
| 2026-10-22 22:08:55 | 588ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-21 15:11:40 | 743ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-15 02:59:20 | 623ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 12:21:31 | 1048ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 08:25:38 | 650ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-29 22:17:43 | 826ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-26 21:55:42 | 2604ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 21:02:12 | 1445ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-21 04:04:13 | 706ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-14 01:59:41 | 1730ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-07 00:48:00 | 882ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 20:17:28 | 728ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-26 18:39:55 | 2777ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 16:01:01 | 1726ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-15 17:17:33 | 1031ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-06 08:35:53 | 1082ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-01 03:07:49 | 1243ms | 5 NS 1 A 3 MX | ❓ Unknown |
| 2026-07-30 03:13:03 | 11399ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-24 03:22:36 | 16982ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-17 16:28:14 shown | 8809ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-09 11:44:02 | 1941ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 10:50:38 | 6382ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 03:13:41 | 810ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-21 12:49:07 | 622ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-21 10:18:41 | 2287ms | 5 NS 1 A 3 MX | 🔓 Insecure |