| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 188.40.29.39 | 3600s | dedi3039.your-server.de | AS24940 | Hetzner Online GmbH | 188.40.0.0/16 | 🇩🇪 Germany | Nuremberg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | eu-esec-01.heimdalsecurity.com | 20.50.183.144 20.50.183.146 |
eu-esec-01.heimdalsecurity.com eu-esec-01.heimdalsecurity.com |
AS8075 Microsoft Corporation AS8075 Microsoft Corporation |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| TXT Record |
|---|
| MS=ms56332389 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (propinvest.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.eu-esec-01.heimdalsecurity.com | DANE-EE · SPKI · SHA-256 | 2E8933DD6DB99304A5A9D5C4ECDE7B8E… |
| 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 | |
|---|---|---|---|---|
| 2026-08-25 19:39:02 | 789ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-13 00:10:43 | 3788ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-11 17:16:30 | 4866ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-20 20:56:39 | 24610ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 14:41:57 | 28872ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-13 20:49:58 | 8804ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 11:05:30 | 3613ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-23 16:47:26 | 1141ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-22 14:14:10 | 990ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 07:20:35 | 4514ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 20:27:14 | 530ms | 2 NS 1 A 1 MX | 🔒 Secure | View |