linux-gruppen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 September 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.211.38 | — | domain-parking.one.com | AS51468 | — | — | — | — |
| www | 46.30.211.38 (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.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026051102 |
| 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 | 2023-09-09 |
| Expires | 2027-09-08 (321d) |
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 |
|---|---|---|---|
| 2026-10-14 21:20:17 | 1068ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 19:50:22 | 381ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 18:39:29 | 499ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 18:38:49 | 682ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-18 17:23:22 | 2645ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 05:21:05 | 598ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 05:29:22 | 576ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-09 09:42:39 | 529ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 17:29:37 | 740ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-19 19:34:01 | 565ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 21:14:38 shown | 738ms | 2 NS 1 A 4 MX | 🔒 Secure |