dentalkursus.dk is a .dk domain served by 4 nameservers (ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com and 1 more). It was registered on 6 January 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.217.4 is hosted by Atea A/S (AS21060) in Denmark. The zone is of unknown DNSSEC status, 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 |
|---|---|---|---|---|---|---|---|
| 178.20.217.4 | 3600s | parking.enavn.dk | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| Policy | Record (_dmarc.dentalkursus.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | letsencrypt.org |
| www | 178.20.217.4 (AS21060) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'dentalkursus.dk/DNSKEY/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2016120700 |
| Primary NS (MNAME) | ns1.dotserv.com |
| Responsible (RNAME) | hostmaster\@dotserv@com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2006-01-06 |
| Expires | 2027-01-31 (98d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 15:49:34 | 537ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-13 01:48:16 | 698ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-25 00:45:15 | 3211ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-23 07:41:05 shown | 913ms | 4 NS 1 A 0 MX | ❓ Unknown |
| 2026-06-17 02:53:07 | 31211ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 02:11:05 | 452ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 02:02:57 | 1273ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 02:00:42 | 504ms | 4 NS 1 A 0 MX | 🔓 Insecure |