ryttersastro.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 24 January 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, 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 | custom-domains.chatgpt.site (all on chatgpt.site) |
| www vs bare domain | Same network ryttersastro.dk: 162.159.143.30 172.66.3.26 (AS13335) www.ryttersastro.dk: 104.18.22.186 104.18.23.186 2606:4700::6812:16ba 2606:4700::6812:17ba (AS13335) |
| 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 | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026092906 |
| 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 | 2026-01-24 |
| Expires | 2027-01-23 (92d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 11:41:31 | 319ms | 3 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 11:30:44 | 519ms | 3 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-29 11:28:58 shown | 461ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-27 17:02:19 | 10020ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-23 19:43:56 | 10192ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-22 18:30:54 | 33578ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-21 18:13:59 | 7024ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-20 18:07:30 | 1895ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-19 08:04:59 | 2770ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-18 07:59:55 | 10201ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-17 05:12:25 | 10150ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-16 02:53:00 | 1581ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-15 02:18:06 | 4683ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-13 17:39:27 | 4491ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-12 15:07:19 | 5060ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-11 06:33:29 | 10333ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-09 22:07:08 | 10162ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-07 23:17:13 | 1193ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-06 19:35:04 | 6461ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-31 14:42:40 | 1104ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-28 23:34:29 | 3059ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-27 18:53:50 | 1185ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-26 18:18:10 | 1200ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-25 17:46:02 | 1650ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-24 17:28:53 | 10018ms | 3 NS 0 A 0 MX | ❓ Unknown |