studieteknik.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | — | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| www | 195.47.247.18 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061101 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 08:12:14 | 546ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 19:59:33 | 418ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 19:37:19 | 444ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 14:33:15 | 2339ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 06:32:23 | 610ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 05:04:54 | 511ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 06:41:01 | 1075ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 22:11:45 | 2024ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-14 00:39:32 | 753ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-07 03:13:24 | 710ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 11:47:00 shown | 725ms | 2 NS 1 A 0 MX | 🔒 Secure |