bookdistribution.dk is a .dk domain served by 2 nameservers (a.portsdns.se, b.portsdns.net). It was registered on 2 June 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 20.73.33.96 is hosted by Microsoft Corporation (AS8075) in The Netherlands. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 20.73.33.96 | 300s | — | AS8075 | Microsoft Corporation | 20.64.0.0/10 | 🇳🇱 The Netherlands | Amsterdam |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (bookdistribution.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.bookdistribution.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; rua=mailto:615ad3c60eb36@dmarc.centerasecurity.com; adkim=s; aspf=s |
| www | 20.73.33.96 (AS8075) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.bookdistribution.dk | 6csTp2Wy9t6IztXluDYLWRiQIZeH1Gslljy8T7Y3XNY |
| TXT | _acme-challenge.bookdistribution.dk | MLmjEbJw1-EvmVqXKEcz4OdDuCKF7eYWoDmxWuyxtNs |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101400 |
| Primary NS (MNAME) | a.portsdns.se |
| Responsible (RNAME) | registry@ports.net |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Abion AB |
| Registered | 2026-06-02 |
| Expires | 2027-06-01 (225d) |
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 |
|---|---|---|---|
| 2026-10-17 03:31:54 | 2684ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-15 00:08:04 shown | 1681ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-12 23:04:52 | 2588ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 17:38:27 | 946ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-17 21:10:24 | 1228ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-15 18:04:43 | 1244ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-13 04:57:54 | 1855ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-03 15:14:59 | 9496ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-01 21:20:48 | 652ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-29 16:25:21 | 1784ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-25 05:19:21 | 9503ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-15 06:00:39 | 2234ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-13 16:16:49 | 1948ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-23 02:40:34 | 774ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-20 15:24:33 | 1112ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 15:55:32 | 485ms | 2 NS 0 A 0 MX | 🔓 Insecure |