rkmus.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 4 March 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.138.100 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 46.183.138.100 | 3600s | — | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| TXT Record |
|---|
| spf2.0/pra |
| v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (rkmus.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.rkmus.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | rkmus.dk (all on rkmus.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026102201 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@rkmus.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2013-03-04 |
| Expires | 2027-03-31 (158d) |
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 |
|---|---|---|---|
| 2026-10-22 21:40:18 shown | 712ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-15 23:22:27 | 923ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-09 01:08:23 | 792ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 22:52:43 | 1062ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 21:30:33 | 780ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-20 16:09:47 | 1534ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-13 14:34:45 | 971ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-05 05:19:31 | 1588ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 20:34:19 | 812ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 19:30:28 | 7766ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-13 07:48:59 | 3691ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-06 17:49:19 | 2812ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 10:45:59 | 1346ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 19:20:37 | 2310ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-09 03:54:16 | 2392ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 13:20:36 | 2663ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 16:13:32 | 1009ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-19 11:12:40 | 1245ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 16:49:19 | 1033ms | 5 NS 1 A 3 MX | 🔓 Insecure |