| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx-master.b4a.systems | 87.98.173.94 | mx-master.b4a.systems | AS16276 OVH SAS |
| 10 | 10800s | mxca.b4a.systems | 142.4.207.27 | mxca.b4a.systems | AS16276 OVH SAS |
| 10 | 10800s | mxuk.b4a.systems | 51.89.212.110 | mxuk.b4a.systems | AS16276 OVH SAS |
| 20 | 10800s | zimbra.duchein.net | 213.111.6.246 | zimbra.duchein.net | AS39886 Nomotech SAS |
| TXT Record |
|---|
| google-site-verification=fRMGYes6uEk-BCbVPNFhmxjjqq2Dah3O43VXO3JXjUg |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 1761468649 |
| Primary NS (MNAME) | a.dns.gandi.net |
| Responsible (RNAME) | hostmaster@gandi.net |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 10800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-09-02 15:17:44 | 3396ms | 3 NS 0 A 4 MX | 🔓 Insecure | View |
| 2026-08-27 03:29:38 | 5153ms | 3 NS 0 A 4 MX | 🔓 Insecure | View |
| 2026-08-25 22:57:56 | 12761ms | 3 NS 0 A 4 MX | 🔓 Insecure | View |
| 2026-08-25 06:31:08 | 14880ms | 3 NS 0 A 4 MX | 🔓 Insecure | View |
| 2026-07-02 01:43:55 | 2826ms | 3 NS 0 A 4 MX | 🔓 Insecure | View |
| 2026-06-16 21:10:38 | 4774ms | 3 NS 0 A 4 MX | 🔓 Insecure | View |