| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.226.144.126 | 1800s | mail.kaltoft.nu | AS216275 | Netnoerden ApS | 91.226.144.0/23 | 🇩🇰 Denmark | Frederiksberg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 60s | mail.booking-system.dk | 91.226.144.126 | mail.kaltoft.nu | AS216275 Netnoerden ApS |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026072705 |
| Primary NS (MNAME) | hydrogen.ns.hetzner.com |
| Responsible (RNAME) | dns@hetzner.com |
| Refresh | 86400s |
| Retry | 10800s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-07-28 21:36:33 | 2745ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-25 15:55:50 | 2600ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-26 09:50:24 | 1662ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-21 03:08:28 | 564ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-20 02:44:25 | 1027ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-16 15:55:27 | 643ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |