| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 40000s | mx1.kobragroup.com | 217.7.126.135 | mx1.kobragroup.com | AS3320 Deutsche Telekom AG |
| 20 | 40000s | sophos01.kobragroup.com | 217.7.126.131 | sophos01.kobragroup.com | AS3320 Deutsche Telekom AG |
| 30 | 40000s | obelix2.kobragroup.com | 217.86.183.208 | obelix2.kobragroup.com | AS3320 Deutsche Telekom AG |
| TXT Record |
|---|
| v=spf1 mx ip4:217.7.126.128/27 ip4:217.86.183.208/32 -all |
| Policy | Record (kobraforme.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx ip4:217.7.126.128/27 ip4:217.86.183.208/32 -all |
| 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 | 2026020401 |
| Primary NS (MNAME) | ns1.telekom-domains.de |
| Responsible (RNAME) | dns@telekom.de |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 43200s |