rka100.dk is a .dk domain served by 2 nameservers (kinsley.ns.cloudflare.com, phil.ns.cloudflare.com). It was registered on 23 November 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 66.111.4.53 is hosted by NYI (AS11403) in United States. Mail is handled by in1-smtp.messagingengine.com, in2-smtp.messagingengine.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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 66.111.4.53 | 300s | — | AS11403 | NYI | 66.111.0.0/20 | 🇺🇸 United States | — |
| 66.111.4.54 | 300s | — | AS11403 | NYI | 66.111.0.0/20 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 66.111.4.53 |
| 🔶 Autoconfig | 66.111.4.54 |
| TXT Record |
|---|
| v=spf1 include:spf.messagingengine.com ?all |
| Policy | Record (rka100.dk) |
|---|---|
| ?all (neutral) | v=spf1 include:spf.messagingengine.com ?all |
| www | 66.111.4.53 66.111.4.54 (AS11403) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: ?all
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.rka100.dk | 6NwNx3IOqnTfcPm6TG2SOiSvLdigriyJMyaZ79HlEKA |
| TXT | _acme-challenge.rka100.dk | jUdviCfKDISK8tI4VxrvqShNkx_qQAH3Dh3vwxNVGGs |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2414958173 |
| Primary NS (MNAME) | kinsley.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-11-23 |
| Expires | 2026-11-30 (37d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 14:24:13 | 4457ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-10-09 20:58:45 | 1624ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-30 10:56:12 | 1519ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-24 20:03:59 | 1867ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-22 06:30:11 | 2285ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-16 14:38:08 shown | 3063ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-14 15:40:50 | 4200ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-09-07 12:56:53 | 2033ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-28 02:43:36 | 1714ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-27 04:59:04 | 2638ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-26 04:49:47 | 5243ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-24 18:59:09 | 6355ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-22 14:30:20 | 3453ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-21 14:16:25 | 2649ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-16 14:46:24 | 2724ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-15 04:11:56 | 11879ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-08-02 08:50:38 | 2423ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-07-08 19:23:55 | 2428ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-27 07:32:11 | 2091ms | 2 NS 2 A 2 MX | 🔒 Secure |
| 2026-06-18 00:00:55 | 1735ms | 2 NS 2 A 2 MX | 🔒 Secure |