| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 217.31.81.20 | 3600s | redirect.hostweb.de | AS29140 | Hostserver GmbH | 217.31.80.0/20 | 🇩🇪 Germany | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.croozer.dk | 217.31.81.161 | zweipluszwei-1.adns.de | AS29140 Hostserver GmbH |
| 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 | 2021022301 |
| Primary NS (MNAME) | ns1.adns2.de |
| Responsible (RNAME) | hostmaster@adns2.de |
| Refresh | 39940s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-06-30 22:15:28 | 890ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-18 15:19:10 | 1179ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-16 23:15:47 | 47637ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-16 23:01:40 | 712ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-16 23:01:22 | 1461ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-16 23:00:09 | 860ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |