byttebørsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.63 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.one.com and 2 more. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.215.63 | 3600s | webforward.webpod15-cph3.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.mailpod15-cph3.g1i.one.com | 104.37.35.36 | mx1.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.mailpod15-cph3.g1i.one.com | 104.37.35.37 | mx2.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.mailpod15-cph3.g1i.one.com | 104.37.35.38 | mx3.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.mailpod15-cph3.g1i.one.com | 104.37.35.39 | mx4.mailpod15-cph3.g1i.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 46.30.215.58 |
| 🔶 Autoconfig | 46.30.215.58 |
| www | 195.47.247.18 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | DB00CDA1DB82CC93CBF96D7D5806F329… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026062501 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2004-02-01 |
| Expires | 2027-02-28 (124d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 07:15:46 | 1436ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 11:27:40 | 638ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 11:26:09 | 2374ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 07:34:49 | 455ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 07:27:09 | 417ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-16 04:03:11 | 442ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 17:29:08 | 4458ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 10:19:18 | 407ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 10:33:43 | 592ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-05 21:43:23 | 582ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-11 14:51:38 | 635ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 13:57:57 | 847ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 07:05:56 | 780ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-29 04:10:31 shown | 618ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 02:24:15 | 1168ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 23:30:22 | 3127ms | 2 NS 1 A 4 MX | ⚠️ Bogus |
| 2026-06-21 13:08:44 | 1119ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 15:22:36 | 1234ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 12:34:17 | 354ms | 0 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-16 18:48:53 | 2211ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 18:41:50 | 5911ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 18:30:35 | 727ms | 2 NS 1 A 4 MX | 🔒 Secure |