| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 52.178.13.78 | 300s | — | AS8075 | Microsoft Corporation | 52.160.0.0/11 | 🇳🇱 The Netherlands | Amsterdam |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| 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 | 2412393324 |
| Primary NS (MNAME) | elisabeth.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 22:35:58 | 564ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-18 11:14:28 | 941ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-10 15:53:18 | 2820ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-01 23:57:23 | 2317ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-16 13:45:36 | 420ms | 2 NS 1 A 0 MX | 🔓 Insecure | View |