rydberg-mc.dk is a .dk domain served by 5 nameservers (ns-1.dcmediahosting.com, ns-2.dcmediahosting.com, ns-3.dcmediahosting.com and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 65.21.31.57 is hosted by Hetzner Online GmbH (AS24940) in Finland. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 65.21.31.57 | 7200s | static.57.31.21.65.clients.your-server.de | AS24940 | Hetzner Online GmbH | 65.21.0.0/16 | 🇫🇮 Finland | Helsinki |
| www CNAME | rydberg-mc.dk (all on rydberg-mc.dk) → 65.21.31.57 (AS24940) |
| www vs bare domain | Same network |
| Wildcard | No |
| 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 | 2011013110 |
| Primary NS (MNAME) | ns-1.dcmediahosting.com |
| Responsible (RNAME) | import@dcmediahosting.com |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 00:37:35 | 9500ms | 5 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-01 20:17:52 shown | 9591ms | 5 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-21 09:04:10 | 786ms | 5 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 23:38:31 | 979ms | 5 NS 1 A 0 MX | 🔓 Insecure |