| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 88.99.101.251 | 600s | redirect.checkdomain.de | AS24940 | Hetzner Online GmbH | 88.99.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mail.kufatec.de | 2a03:4000:49:16e:781b:41ff:fe6f:7cb1 45.136.30.111 |
mail.kufatec.de mail.kufatec.de |
AS197540 netcup GmbH AS197540 netcup GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:221:11cd:9734:4c26:6044:5f33 | 600s | redirect.checkdomain.de | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| v=spf1 +a +mx -all |
| Policy | Record (kufatec.dk) |
|---|---|
| -all (hard fail) | v=spf1 +a +mx -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 | 2025070801 |
| Primary NS (MNAME) | ns.checkdomain.de |
| Responsible (RNAME) | heinzelmann@kufatec.de |
| Refresh | 40000s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 600s |