| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 128.77.138.187 | 600s | 128-77-138-187-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 128.77.128.0/17 | 🇩🇰 Denmark | Kvistgård |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mx01a.sfp-net.com | 94.100.132.100 | hsmx01.antispameurope.com | AS25394 MK Netzdienste GmbH & Co. KG |
| 20 | 43200s | mx01b.sfp-net.com | 94.100.134.10 | hsmx06.antispameurope.com | AS12676 HKN GmbH |
| 30 | 43200s | mx01c.sfp-net.com | 83.246.65.85 | hsmx01-hz2.antispameurope.com | AS24679 kyberio GmbH |
| 40 | 43200s | 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 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026030301 |
| 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 | |
|---|---|---|---|---|
| 2026-08-28 01:39:11 | 662ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-07-12 11:25:55 | 4868ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-26 05:41:48 | 555ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-22 12:32:04 | 937ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-21 20:07:57 | 919ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 07:50:46 | 661ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-17 19:31:48 | 952ms | 2 NS 1 A 4 MX | 🔒 Secure | View |