rccoaching.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 28 August 2026 (WHOIS) and first appeared in the .dk zone on 29 August 2026. 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.
| www CNAME | radiccoaching.github.io (all on github.io) |
| www vs bare domain | Same network rccoaching.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) www.rccoaching.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026082801 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2026-08-28 |
| Expires | 2027-08-27 (311d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 05:02:08 | 661ms | 3 NS 4 A 1 MX | 🔒 Secure |
| 2026-10-04 02:27:07 | 892ms | 3 NS 4 A 1 MX | 🔒 Secure |
| 2026-10-01 01:59:13 | 431ms | 3 NS 4 A 1 MX | 🔒 Secure |
| 2026-08-30 17:04:54 | 2325ms | 3 NS 4 A 1 MX | 🔒 Secure |
| 2026-08-29 09:05:47 shown | 304ms | 3 NS 0 A 0 MX | 🔒 Secure |