hjertestarterne.dk is a .dk domain served by 2 nameservers (ns1.kortermann-hosting.dk, ns2.kortermann-hosting.dk). It was registered on 24 November 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.189.39.101 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.hjertestarterne.dk. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.kortermann-hosting.dk | 94.231.105.180 | vdom105.net.dk2.zitcom.dk | AS48854 team.blue Denmark A/S |
| ns2.kortermann-hosting.dk | 94.231.105.146 | — | AS48854 team.blue Denmark A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 94.189.39.101 | — | 101.96-27.39.189.94.in-addr.arpa nix01.kortermann-hosting.dk |
AS3292 | TDC Holding A/S | 94.189.0.0/17 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail.hjertestarterne.dk | — | — | — |
| TXT Record |
|---|
| v=spf1 +a +mx include:spf.securesmtp.dk -all |
| Policy | Record (hjertestarterne.dk) |
|---|---|
| -all (hard fail) | v=spf1 +a +mx include:spf.securesmtp.dk -all |
| www CNAME | hjertestarterne.dk (all on hjertestarterne.dk) → 94.189.39.101 (AS3292) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 3/10 · policy: -all
No problems found| 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 | 72636 |
| Primary NS (MNAME) | ns1.kortermann-hosting.dk |
| Responsible (RNAME) | hostmaster@kortermann-hosting.dk |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2014-11-24 |
| Expires | 2026-11-30 (36d) |
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 |
|---|---|---|---|
| 2026-10-07 21:06:55 | 4310ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-04 10:40:37 | 4376ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-04 15:33:57 | 6806ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 19:21:46 | 492ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 11:20:55 | 6361ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 08:00:05 | 690ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 09:01:24 | 557ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-24 05:15:47 | 792ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 06:29:56 | 1109ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 18:00:07 | 902ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 12:35:48 | 249ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 12:31:09 shown | 1692ms | 2 NS 1 A 1 MX | 🔓 Insecure |