booksync.dk is a .dk domain served by 2 nameservers (ns.dns-service.dk, ns3.dns-service.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mailserver2.dns-service.dk. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.dns-service.dk | 77.247.76.118 | — | AS31590 Rackhosting.com ApS |
| ns3.dns-service.dk | 77.247.76.121 | — | AS31590 Rackhosting.com ApS |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mailserver2.dns-service.dk | 46.32.48.168 | — | AS39642 Sinal A/S |
| www CNAME | webserver3.dns-service.dk (all on dns-service.dk) → 46.32.48.168 (AS39642) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| 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 | 41 |
| Primary NS (MNAME) | ns.dns-service.dk |
| Responsible (RNAME) | admin@dns-service.dk |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 19:27:45 shown | 682ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-27 12:15:12 | 498ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-09 02:35:38 | 1560ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-23 18:21:49 | 517ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-20 04:34:56 | 2481ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 16:07:23 | 1436ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 16:06:39 | 1113ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 16:03:01 | 388ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-16 16:01:05 | 2460ms | 2 NS 0 A 1 MX | 🔓 Insecure |