| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 5.9.72.151 | 600s | rollo.jernurt.dk | AS24940 | Hetzner Online GmbH | 5.9.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.debianguiden.dk | 5.9.72.151 | rollo.jernurt.dk | AS24940 Hetzner Online GmbH |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081101 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-21 22:02:04 | 4750ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-17 18:02:19 | 4995ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-12 19:33:37 | 860ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 22:28:21 | 756ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-16 21:40:45 | 809ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-29 15:11:43 | 584ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 22:07:03 | 5963ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 14:16:29 | 1146ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 01:25:08 | 2476ms | 2 NS 1 A 1 MX | 🔒 Secure | View |