hjertestop-kursus.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 7 November 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.232.209 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 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 |
|---|---|---|---|---|---|---|---|
| 217.116.232.209 | 3600s | web9.gigahost.dk | AS47292 | Sentia Denmark A/S | 217.116.224.0/20 | 🇩🇰 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 | CNAME / IP |
|---|---|
| 🔷 Autodiscover | hjertestop-kursus.dk → 217.116.232.209 |
| 🔶 Autoconfig | hjertestop-kursus.dk → 217.116.232.209 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| www CNAME | hjertestop-kursus.dk (all on hjertestop-kursus.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.hjertestop-kursus.dk | hjertestop-kursus.dk |
| 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 | 2026101501 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@hjertestop-kursus.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | GIGAHOST ApS |
| Registered | 2012-11-07 |
| Expires | 2027-11-30 (407d) |
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 |
|---|---|---|---|
| 2026-10-15 09:26:16 shown | 790ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 14:43:01 | 926ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 06:52:37 | 989ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 04:57:17 | 1734ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-30 04:37:30 | 805ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-27 18:34:17 | 2461ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 04:02:57 | 1501ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-18 01:11:44 | 1143ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-11 04:34:52 | 1056ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-04 04:16:52 | 1087ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 13:48:26 | 2691ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 04:10:15 | 3018ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-14 09:42:01 | 4206ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-09 09:11:57 | 3001ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-05 23:33:47 | 1375ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 03:20:02 | 1134ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-17 04:05:12 | 2929ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-12 15:28:21 | 16988ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 14:13:54 | 9771ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-27 11:12:43 | 1912ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 10:47:02 | 1089ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-24 17:45:22 | 1005ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-24 03:32:57 | 1059ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 12:23:34 | 2407ms | 5 NS 1 A 3 MX | 🔓 Insecure |