| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 51.120.120.58 | 900s | — | AS8075 | Microsoft Corporation | 51.120.0.0/16 | 🇳🇴 Norway | Oslo |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com include:spf.protection.outlook.com -all |
| Policy | Record (phm-groupdk.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_custspf.one.com include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.phm-groupdk.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:farah-hussein@hotmail.com |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026080301 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2026-04-30 |
| Expires | 2027-04-29 (235d) |