firestormheaters.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.211.38 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.mailpod16-cph3.g1i.one.com, mx2.mailpod16-cph3.g1i.one.com and 2 more. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 46.30.211.38 | 600s | domain-parking.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.mailpod16-cph3.g1i.one.com | 5.249.232.33 | mx1.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.mailpod16-cph3.g1i.one.com | 5.249.232.34 | mx2.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.mailpod16-cph3.g1i.one.com | 5.249.232.35 | mx3.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.mailpod16-cph3.g1i.one.com | 5.249.232.36 | mx4.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (firestormheaters.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| Policy | Record (_dmarc.firestormheaters.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www CNAME | custom-domains.chatgpt.site (all on chatgpt.site) |
| www vs bare domain | Same network firestormheaters.dk: 162.159.143.30 172.66.3.26 (AS13335) www.firestormheaters.dk: 104.18.22.186 104.18.23.186 2606:4700::6812:16ba 2606:4700::6812:17ba (AS13335) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 24689A1B29BE70163B6DCF262497B6EC… |
| SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 24689A1B29BE70163B6DCF262497B6EC… |
| SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 24689A1B29BE70163B6DCF262497B6EC… |
| SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 24689A1B29BE70163B6DCF262497B6EC… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026080303 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 11:51:28 | 1798ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-10-03 00:36:22 | 591ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-09-30 00:22:43 | 496ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-09-17 12:16:46 | 615ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-09-16 11:41:52 | 811ms | 2 NS 2 A 4 MX | 🔒 Secure |
| 2026-09-11 01:15:23 | 638ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-05 08:48:13 | 608ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 12:00:35 shown | 2890ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-03 22:07:58 | 830ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-02 00:10:31 | 2468ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-28 14:19:50 | 5006ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-05 18:07:07 | 1303ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-30 22:54:51 | 689ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 10:08:13 | 660ms | 2 NS 1 A 4 MX | 🔒 Secure |