hjertestopkurser.dk is a .dk domain served by 3 nameservers (ns1.netsite.dk, ns2.netsite.eu, ns3.netsite.se). It was registered on 22 April 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.224.18.200 is hosted by Netsite A/S (AS205206) in Denmark. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 185.224.18.200 | 3600s | parked.netsite.host | AS205206 | Netsite A/S | 185.224.16.0/22 | 🇩🇰 Denmark | — |
| www | 185.224.18.200 (AS205206) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101501 |
| Primary NS (MNAME) | ns1.netsite.dk |
| Responsible (RNAME) | hostmaster@netsite.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Netsite A/S |
| Registered | 2017-04-22 |
| Expires | 2027-04-30 (193d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 14:21:07 shown | 548ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-09 03:00:12 | 672ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-02 01:41:16 | 529ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 01:14:38 | 351ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-27 09:18:52 | 2311ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-25 02:24:44 | 425ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-18 00:05:23 | 538ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-15 09:24:11 | 483ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-04 23:48:28 | 438ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-27 14:50:33 | 392ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-20 22:58:04 | 17262ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-13 16:55:39 | 1718ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-11 05:24:06 | 650ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-10 00:21:45 | 685ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-30 07:25:30 | 16724ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-24 07:33:42 | 945ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-17 03:34:57 | 8528ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-09 05:05:12 | 8745ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-03 15:30:41 | 2429ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-29 18:06:38 | 449ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-24 09:42:01 | 602ms | 3 NS 1 A 0 MX | ⚠️ Bogus |
| 2026-06-24 02:56:11 | 741ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-23 18:44:50 | 614ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-20 03:22:25 | 415ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 12:24:23 | 1754ms | 3 NS 1 A 0 MX | 🔒 Secure |