toughbook.dk is a .dk domain served by 4 nameservers (ha1.markmonitor.zone, ha2.markmonitor.zone, ha3.markmonitor.zone and 1 more). It was registered on 15 July 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.51.220.11 is hosted by Amazon.com, Inc. (AS16509) in Ireland. 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.
| 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 | 2026052801 |
| Primary NS (MNAME) | ha1.markmonitor.zone |
| Responsible (RNAME) | hostmaster@markmonitor.com |
| Refresh | 3600s |
| Retry | 600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 172800s |
| Field | Value |
|---|---|
| Registrar | MarkMonitor Inc. |
| Registered | 2005-07-15 |
| Expires | 2027-07-31 (282d) |
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 |
|---|---|---|---|
| 2026-09-02 08:40:09 | 9605ms | 4 NS 3 A 0 MX | 🔓 Insecure |
| 2026-06-27 03:09:58 shown | 916ms | 4 NS 3 A 0 MX | 🔓 Insecure |
| 2026-06-22 18:13:22 | 809ms | 4 NS 3 A 0 MX | 🔓 Insecure |
| 2026-06-20 04:59:49 | 1176ms | 4 NS 3 A 0 MX | 🔓 Insecure |
| 2026-06-17 19:49:14 | 750ms | 4 NS 3 A 0 MX | 🔓 Insecure |