studiebøger.dk is a .dk domain served by 2 nameservers (bonnie.ns.cloudflare.com, vicente.ns.cloudflare.com). It was registered on 1 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 5.78.72.116 is hosted by Hetzner Online GmbH (AS212317) in United States. The zone is of unknown DNSSEC status, 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 |
|---|---|---|---|---|---|---|---|
| 5.78.72.116 | 300s | static.116.72.78.5.clients.your-server.de | AS212317 | Hetzner Online GmbH | 5.78.0.0/16 | 🇺🇸 United States | Hillsboro |
| TXT Record |
|---|
| google-site-verification=6f8Nbo5_OxICWI-b6AHnkHpa7vlBQPPZmU-bHpTHEBA |
| www CNAME | xn--studiebger-6cb.dk (all on xn--studiebger-6cb.dk) → 5.78.72.116 (AS212317) |
| www vs bare domain | Same network |
| Wildcard | No |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.studiebøger.dk | h7pRFNtafwOSu8ceVZ3-iq7H-bMisImhnVPwv5A6VoY |
| TXT | _acme-challenge.studiebøger.dk | IPtpUaJprxjLUyPsUnjRatq7mI4adBRyEb_tnio8cYE |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2413070620 |
| Primary NS (MNAME) | bonnie.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-02-01 |
| Expires | 2028-02-29 (495d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 16:59:00 | 714ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-24 05:05:25 | 698ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-27 00:58:00 | 605ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-25 09:03:44 shown | 1196ms | 2 NS 1 A 0 MX | ❓ Unknown |
| 2026-08-24 08:56:18 | 8778ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-22 05:24:40 | 1205ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-24 09:48:50 | 1154ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-22 09:44:19 | 1174ms | 2 NS 1 A 0 MX | ❓ Unknown |
| 2026-06-21 01:51:12 | 422ms | 0 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-17 11:44:16 | 629ms | 2 NS 1 A 0 MX | 🔒 Secure |