| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 172.104.237.52 | 600s | 172-104-237-52.ip.linodeusercontent.com | AS63949 | Akamai Connected Cloud | 172.104.224.0/19 | 🇩🇪 Germany | Frankfurt am Main |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082000 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-20 10:10:34 | 2231ms | 3 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-07-04 11:48:10 | 526ms | 3 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-24 11:14:56 | 2466ms | 3 NS 1 A 0 MX | ⚠️ Bogus | View |
| 2026-06-21 18:13:53 | 1117ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-18 04:55:10 | 962ms | 3 NS 1 A 0 MX | 🔒 Secure | View |