| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.rzfr.de | 213.214.25.21 | ns1.rzfr.de | AS12610 Rockenstein AG |
| ns2.rzfr.de | 213.214.25.22 | ns2.rzfr.de | AS12610 Rockenstein AG |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 213.214.25.35 | 3600s | web01.rzfr.de | AS12610 | Rockenstein AG | 213.214.24.0/21 | 🇩🇪 Germany | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.rzfr.de | 213.214.25.30 | mx1.rzfr.de | AS12610 Rockenstein AG |
| TXT Record |
|---|
| v=spf1 mx a ~all |
| Policy | Record (naturhaus.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx a ~all |
| 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 | 2025013101 |
| Primary NS (MNAME) | ns1.rzfr.de |
| Responsible (RNAME) | hostmaster@naturhaus.com |
| Refresh | 7200s |
| Retry | 540s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |