grundviden.dk is a .dk domain served by 2 nameservers (aida.ns.cloudflare.com, matt.ns.cloudflare.com). It was registered on 12 July 2026 (WHOIS) and first appeared in the .dk zone on 13 July 2026. Its website address 167.233.121.64 is hosted by Hetzner Online GmbH (AS24940) in Germany. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 167.233.121.64 | 300s | static.64.121.233.167.clients.your-server.de | AS24940 | Hetzner Online GmbH | 167.233.0.0/16 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| google-site-verification=KW0l53UFWsr4ciPx5ByZAva-vXYbwabe-53CwgVU93Q |
| google-site-verification=puR9-clERzwkNyeLbkqEjESYtMp_aPDH9so-2UkEIuo |
| ms-domain-verification=c5a3bda3-7591-4eb4-b940-f447fcb1a2d2 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (grundviden.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.grundviden.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none |
| www | 65.109.77.206 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| 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 | 2414727457 |
| Primary NS (MNAME) | aida.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2026-07-12 |
| Expires | 2027-07-11 (256d) |
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).
| Domain | Registrar |
|---|---|
| cosa.dk | Punktum dk A/S (direct) |
| xalc.dk | Punktum dk A/S (direct) |
| xalk.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 11:17:20 | 407ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-01 09:17:27 | 1123ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-30 09:06:19 shown | 528ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-25 14:24:41 | 766ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-20 08:28:19 | 2829ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-15 14:44:57 | 1799ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-23 18:59:16 | 850ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-17 21:59:49 | 756ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-13 08:40:08 | 733ms | 2 NS 1 A 0 MX | 🔓 Insecure |