| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.221.196.226 | 600s | — | AS51468 | One.com A/S | 91.221.196.0/23 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| 🔶 Autoconfig | 91.221.196.226 |
| TXT Record |
|---|
| MS=ms48810874 |
| MS=ms69877620 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (marssound.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 | 2026081001 |
| 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 | |
|---|---|---|---|---|
| 2026-08-10 07:55:18 | 6324ms | 2 NS 1 A 5 MX | 🔒 Secure | View |
| 2026-07-22 21:28:41 | 17176ms | 2 NS 1 A 5 MX | 🔒 Secure | View |
| 2026-07-16 14:58:37 | 2406ms | 2 NS 1 A 5 MX | 🔒 Secure | View |
| 2026-07-10 21:17:40 | 2120ms | 2 NS 1 A 5 MX | 🔒 Secure | View |
| 2026-06-17 22:21:34 | 1921ms | 2 NS 1 A 5 MX | 🔒 Secure | View |