booksigmund.dk is a .dk domain served by 2 nameservers (parked.g1-dns.com, parked.g1-dns.one). It was registered on 1 November 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. On 4 October 2026 we saw it transfer from ONE.COM A/S to Simply.com A/S. 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.
| www CNAME | ghs.googlehosted.com (all on googlehosted.com) |
| www vs bare domain | Different networks booksigmund.dk: 93.191.156.110 (AS48854) (all like this)www.booksigmund.dk: 142.251.13.121 2a00:1450:4001:c13::79 (AS15169) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026082001 |
| Primary NS (MNAME) | parked.g1-dns.one |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2024-11-01 |
| Expires | 2026-10-31 (9d) |
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 |
|---|---|---|---|
| 2026-10-14 04:18:46 | 1215ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-09 06:08:01 | 445ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-04 23:28:55 | 361ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 21:07:22 | 2361ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-15 20:21:28 | 510ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-10 19:18:32 | 758ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-04 02:20:20 | 405ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-01 05:29:44 | 2492ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-31 13:22:27 | 363ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-30 11:15:52 | 778ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-29 06:23:36 | 408ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-28 05:02:53 | 418ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-27 04:40:23 | 543ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-26 13:27:34 | 393ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-25 04:04:51 | 1123ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-24 03:42:15 | 683ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-23 02:05:16 | 3270ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-22 02:03:31 | 547ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-21 01:53:42 shown | 542ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-19 23:14:00 | 2028ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-18 22:19:58 | 530ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-17 02:19:27 | 1502ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-15 19:34:58 | 4488ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-14 18:02:12 | 2595ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-13 08:55:37 | 16464ms | 2 NS 0 A 0 MX | 🔓 Insecure |