| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.itmaster.net | 162.55.22.237 | web1.itmaster.net | AS24940 Hetzner Online GmbH |
| ns2.itmaster.net | 65.108.58.212 | ns2.itmaster.net | AS24940 Hetzner Online GmbH |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 162.55.22.237 | 3600s | web1.itmaster.net | AS24940 | Hetzner Online GmbH | 162.55.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.itmaster.net | 142.132.131.220 2a01:4f8:272:2809::5 |
mail.itmaster.net mail.itmaster.net |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imaps._tcp | 0 | 5 | 143 | mail.itmaster.net |
| TXT Record |
|---|
| v=spf1 +a +mx +a:spf.itmaster.net -all |
| Policy | Record (infrequent.dk) |
|---|---|
| -all (hard fail) | v=spf1 +a +mx +a:spf.itmaster.net -all |
| Policy | Record (_dmarc.infrequent.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; adkim=s; aspf=s |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.infrequent.dk | LgfLQC0kGe4b2PVrEOSWig8CtNIVMXcB6GT-6rWZC78 |
| 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 | 2026071602 |
| Primary NS (MNAME) | ns1.itmaster.net |
| Responsible (RNAME) | hostmaster@itmaster.net |
| Refresh | 3600s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 10800s |