ruseholding.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 April 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 600s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 600s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (ruseholding.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| www CNAME | ruseholding.dk (all on ruseholding.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 1/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026041302 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2014-04-03 |
| Expires | 2027-04-30 (194d) |
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 |
|---|---|---|---|
| 2026-10-15 06:20:53 | 788ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 12:28:16 | 2722ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 08:56:24 | 1287ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-30 08:52:51 | 714ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 03:29:36 | 2516ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-16 10:20:27 | 972ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-06 21:54:34 | 1878ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 11:28:08 | 803ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 07:01:24 | 9681ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-14 04:21:21 | 1147ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-06 18:48:12 | 1091ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-30 13:17:47 | 1558ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 16:39:04 | 955ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 13:00:22 | 1124ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-09 19:01:44 | 1430ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-04 16:30:13 | 2148ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-24 19:06:46 | 1644ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-24 03:24:22 | 904ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 17:17:34 | 3321ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-21 17:21:35 | 1150ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 07:31:22 | 1159ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 03:10:46 shown | 732ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-18 03:02:42 | 549ms | 2 NS 0 A 3 MX | 🔒 Secure |