| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 157.55.238.140 | 43200s | — | AS8075 | Microsoft Corporation | 157.55.0.0/16 | 🇺🇸 United States | Delano |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms13516110 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (hynkemejer.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.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 | 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 | |
|---|---|---|---|---|
| 2026-08-28 02:30:19 | 1235ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-11 20:09:55 | 17265ms | 2 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-07-17 18:05:30 | 9203ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-14 22:17:59 | 8983ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 16:37:18 | 875ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 14:13:22 | 725ms | 2 NS 1 A 1 MX | 🔒 Secure | View |