| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 140.238.133.100 | — | — | AS31898 | Oracle Corporation | 140.238.0.0/16 | 🇨🇦 Canada | Toronto |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx0.obstacles.dk | 140.238.133.100 | — | AS31898 Oracle Corporation |
| 20 | — | mx1.obstacles.dk | 140.238.133.100 | — | AS31898 Oracle Corporation |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2009010107 |
| Primary NS (MNAME) | ns10.digicertdns.com |
| Responsible (RNAME) | dns@digicertdns.com |
| Refresh | 43200s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 180s |