| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.51.251.46 | 43200s | — | AS3292 | TDC Holding A/S | 87.48.0.0/13 | 🇩🇰 Denmark | Kolding |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| TXT Record |
|---|
| MS=ms72570662 |
| v=spf1 a:mail.futuradata.dk ip4:87.51.251.46 include:o._spf.comendo.com include:spf.protection.outlook.com include:spf.comendosystems.com -all |
| Policy | Record (futuradata.dk) |
|---|---|
| -all (hard fail) | v=spf1 a:mail.futuradata.dk ip4:87.51.251.46 include:o._spf.comendo.com include:spf.protection.outlook.com include:spf.comendosystems.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 | |
|---|---|---|---|---|
| 2026-08-26 20:41:29 | 1214ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-11 19:12:31 | 5248ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 22:50:40 | 1845ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-12 07:38:32 | 7609ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 14:32:52 | 5180ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 03:56:48 | 1721ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 04:58:40 | 966ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-21 15:02:49 | 675ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 10:30:43 | 930ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 10:28:34 | 843ms | 2 NS 1 A 1 MX | 🔒 Secure | View |