rk365.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 16 December 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.146.162.37 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by mx101.ringsted.dk. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.146.162.37 | 3600s | — | AS8075 | Microsoft Corporation | 104.146.128.0/17 | 🇳🇱 The Netherlands | Amsterdam |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx101.ringsted.dk | 195.182.39.41 | mx101.ringsted.dk | AS47249 Ringsted Kommune |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | ringstedkommune-my.sharepoint.com → 13.107.136.10 |
| 🔶 Autoconfig | ringstedkommune-my.sharepoint.com → 13.107.138.10 |
| TXT Record |
|---|
| apple-domain-verification=Ffz0UbS7B4cvMYX4 |
| MS=ms48822438 |
| v=spf1 mx a:outlook.com -all |
| Policy | Record (rk365.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a:outlook.com -all |
| www CNAME | ringstedkommune-my.sharepoint.com (all on sharepoint.com) |
| www vs bare domain | Same network rk365.dk: 104.146.162.37 (AS8075) www.rk365.dk: 13.107.136.10 13.107.138.10 2620:1ec:8f8::10 2620:1ec:8fa::10 (AS8075) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.rk365.dk | ringstedkommune-my.sharepoint.com |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2021052600 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2014-12-16 |
| Expires | 2026-12-31 (66d) |
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 |
|---|---|---|---|
| 2026-10-23 17:28:59 shown | 1585ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 00:15:08 | 850ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 07:02:59 | 1423ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 19:47:39 | 1605ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 23:32:34 | 1866ms | 2 NS 1 A 1 MX | 🔒 Secure |