heatperformance.dk is a .dk domain served by 2 nameservers (ns01.hostnet.nl, ns02.hostnet.nl). It was registered on 18 February 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.238.55.151 is hosted by Nextpertise B.V. (AS41960) in The Netherlands. The zone is DNSSEC-signed but currently fails validation, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 185.238.55.151 | — | web351.interpartshosting.nl | AS41960 | Nextpertise B.V. | 185.238.52.0/22 | 🇳🇱 The Netherlands | Sassenheim |
| TXT Record |
|---|
| google-site-verification=KQ1rqKyoV8mEHnkGBMOctcb5hcTGlbTnQoD2l3bvTPk |
| v=spf1 a mx include:_spf.hostnet.nl -all |
| Policy | Record (heatperformance.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:_spf.hostnet.nl -all |
| Policy | Record (_dmarc.heatperformance.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 185.238.55.151 (AS41960) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 4/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'heatperformance.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2026040701 |
| Primary NS (MNAME) | ns01.hostnet.nl |
| Responsible (RNAME) | hostmaster@hostnet.nl |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2021-02-18 |
| Expires | 2027-02-28 (134d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 08:46:24 | 427ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-03 22:11:39 | 691ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-30 03:04:10 | 442ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-13 20:25:10 | 685ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-28 11:42:50 | 1597ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-27 08:09:14 | 1183ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-24 21:51:02 | 545ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 11:06:48 | 642ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 11:03:55 | 739ms | 2 NS 1 A 0 MX | ⚠️ Bogus |
| 2026-06-17 11:02:04 shown | 932ms | 2 NS 1 A 0 MX | ⚠️ Bogus |