| 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; |
| 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 | 2413046609 |
| Primary NS (MNAME) | emely.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-26 23:35:35 | 882ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-08-24 12:41:28 | 1317ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-08-20 08:58:55 | 1482ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-08-11 19:57:20 | 3031ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-07-27 23:04:21 | 16981ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-07-26 22:45:38 | 1103ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-07-24 22:01:20 | 9981ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-07-03 21:02:26 | 9972ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-07-02 15:27:16 | 1028ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-06-25 20:02:48 | 749ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-06-20 16:50:17 | 1179ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-16 15:55:14 | 479ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |