| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 157.55.231.50 | 43200s | — | AS8075 | Microsoft Corporation | 157.55.0.0/16 | 🇺🇸 United States | Delano |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| TXT Record |
|---|
| MS=ms88402616 |
| v=spf1 include:outlook.com ~all |
| Policy | Record (learningpeople.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:outlook.com ~all |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026032402 |
| 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 | |
|---|---|---|---|---|
| 2026-08-27 11:29:04 | 1815ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 23:35:45 | 23988ms | 2 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-02 23:28:54 | 13134ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 16:43:53 | 3615ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 18:51:25 | 1850ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 20:45:40 | 2390ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 20:16:43 | 1168ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-21 19:31:15 | 4552ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 07:42:29 | 1199ms | 2 NS 1 A 1 MX | 🔒 Secure | View |