grundfejl.dk is a .dk domain served by 2 nameservers (javier.ns.cloudflare.com, virginia.ns.cloudflare.com). It was registered on 11 August 2026 (WHOIS) and first appeared in the .dk zone on 12 August 2026. Mail is handled by mx.hogsbro.net. 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 |
|---|---|---|---|---|---|---|---|
| 1.2.3.4 | 300s | — | — | — | — | 🇦🇺 Australia | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 100 | 300s | mx.hogsbro.net | 173.255.208.237 2600:3c01::f03c:91ff:fe93:aee0 |
mail.hogsbro.net mail.hogsbro.net |
AS63949 Akamai Connected Cloud AS63949 Akamai Connected Cloud |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve grundfejl.dk: 216.239.32.21 216.239.34.21 216.239.36.21 216.239.38.21 (AS15169) (all like this)www.grundfejl.dk: no address |
| Wildcard | No |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.grundfejl.dk | KoDzFC2Fg7bOoFx0QfMTe3w_YcjJlqHWQ2TCfP3_jK0 |
| TXT | _acme-challenge.grundfejl.dk | OicjznER30JvCVuYokr55swkAsJOsTFuUU2agVaP7wA |
| 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 | 2412712205 |
| Primary NS (MNAME) | javier.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2026-08-11 |
| Expires | 2027-08-10 (289d) |
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 |
|---|---|
| dorfglskole.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 13:50:19 | 1682ms | 2 NS 4 A 1 MX | 🔓 Insecure |
| 2026-10-21 14:47:38 | 2905ms | 2 NS 4 A 1 MX | 🔓 Insecure |
| 2026-10-18 23:45:50 | 1799ms | 2 NS 4 A 1 MX | 🔓 Insecure |
| 2026-09-27 01:47:18 | 2593ms | 2 NS 4 A 1 MX | 🔓 Insecure |
| 2026-09-11 03:11:11 | 2174ms | 2 NS 4 A 1 MX | 🔓 Insecure |
| 2026-08-25 01:28:48 | 1892ms | 2 NS 4 A 1 MX | 🔓 Insecure |
| 2026-08-21 22:01:35 | 1310ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 21:49:27 shown | 1591ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-19 12:53:55 | 787ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-18 12:53:37 | 770ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-17 03:57:43 | 926ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-16 00:29:16 | 788ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-14 14:26:38 | 817ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-12 08:48:09 | 1470ms | 1 NS 0 A 0 MX | ❓ Unknown |