bookhus.dk is a .dk domain served by 2 nameservers (emely.ns.cloudflare.com, todd.ns.cloudflare.com). It was registered on 10 January 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.bookhus.dk. The zone is not DNSSEC-signed, 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.bookhus.dk | 104.20.42.188 172.66.173.244 2606:4700:10::6814:2abc 2606:4700:10::ac42:adf4 |
— — — — |
AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.20.42.188 |
| 🔶 Autoconfig | 104.20.42.188 |
| TXT Record |
|---|
| v=spf1 a mx ~all |
| Policy | Record (bookhus.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ~all |
| Policy | Record (_dmarc.bookhus.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:info@bookhus.dk; ruf=mailto:info@bookhus.com; adkim=r; aspf=r; |
| www | Address record (no CNAME) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u26034295.wl046.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u26034295.wl046.sendgrid.net | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 2/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2406417629 |
| Primary NS (MNAME) | emely.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 | 2008-01-10 |
| Expires | 2027-01-31 (105d) |
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 13:37:03 | 1658ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-10-03 10:58:34 | 426ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-25 23:30:54 | 1160ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-24 23:23:18 | 1085ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-23 22:25:22 | 3591ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-16 07:47:06 | 2008ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-09 05:59:31 | 1258ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-01 20:47:48 | 1286ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-26 23:35:35 | 882ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-24 12:41:28 | 1317ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-20 08:58:55 | 1482ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-11 19:57:20 | 3031ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-27 23:04:21 | 16981ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-26 22:45:38 | 1103ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-24 22:01:20 | 9981ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-03 21:02:26 | 9972ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-02 15:27:16 shown | 1028ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-25 20:02:48 | 749ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-20 16:50:17 | 1179ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 15:55:14 | 479ms | 2 NS 0 A 1 MX | 🔓 Insecure |