ruken.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 June 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by 737234514.pamx1.hotmail.com. 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 | 3600s | 737234514.pamx1.hotmail.com | 52.101.40.25 52.101.73.18 52.101.73.5 52.101.9.1 |
— — — — |
AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| 🔶 Autoconfig | ruken.dk |
| TXT Record |
|---|
| v=spf1 include:hotmail.com ~all |
| Policy | Record (ruken.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:hotmail.com ~all |
| www CNAME | ruken.dk (all on ruken.dk) |
| www vs bare domain | Neither resolves ruken.dk: no address www.ruken.dk: no address |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · 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 | 2026061201 |
| 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 | 2009-06-10 |
| Expires | 2027-06-30 (247d) |
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).
| Domain | Registrar |
|---|---|
| deleskaerm.dk | ONE.COM A/S |
| deleskærm.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 19:15:01 | 752ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 01:17:13 | 597ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-15 04:31:42 | 1538ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-27 06:52:21 | 636ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-22 01:04:41 | 5016ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-14 15:43:19 | 2912ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-19 01:30:55 | 1035ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-16 13:36:38 | 2740ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-29 09:02:35 | 697ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-27 02:55:58 shown | 4985ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-26 05:02:33 | 3689ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-24 05:24:42 | 1172ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 09:29:44 | 2070ms | 2 NS 0 A 1 MX | ⚠️ Bogus |
| 2026-06-22 03:02:37 | 1172ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 13:25:24 | 2368ms | 2 NS 0 A 1 MX | 🔒 Secure |