| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 188.40.29.51 | 600s | dedi3051.your-server.de | AS24940 | Hetzner Online GmbH | 188.40.0.0/16 | 🇩🇪 Germany | Nuremberg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx01a.sfp-net.com | 94.100.132.100 | hsmx01.antispameurope.com | AS25394 MK Netzdienste GmbH & Co. KG |
| 20 | 3600s | mx01b.sfp-net.com | 94.100.134.10 | hsmx06.antispameurope.com | AS12676 HKN GmbH |
| 30 | 3600s | mx01c.sfp-net.com | 83.246.65.85 | hsmx01-hz2.antispameurope.com | AS24679 kyberio GmbH |
| 40 | 3600s | mx01d.sfp-net.com | 94.100.132.100 | hsmx01.antispameurope.com | AS25394 MK Netzdienste GmbH & Co. KG |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscoverredirect.sfp-net.com → 212.53.208.152 |
| 🔶 Autoconfig | 188.40.29.51 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026030601 |
| 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 21:35:11 | 935ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-08-25 14:38:32 | 656ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-24 16:52:36 | 742ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-24 08:05:41 | 1154ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-23 07:36:58 | 929ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-22 08:33:40 | 6382ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-22 02:30:38 | 1172ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-16 16:21:19 | 1836ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-16 16:14:32 | 3177ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-16 16:09:31 | 516ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-16 16:00:21 | 839ms | 2 NS 1 A 4 MX | 🔒 Secure | View |