| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 78.157.104.240 | 3600s | 78-157-104-240.norlyscustomer.net | AS39642 | Sinal A/S | 78.157.96.0/19 | 🇩🇰 Denmark | Svendborg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 60s | mail.speedmaster.dk | 78.157.104.240 | 78-157-104-240.norlyscustomer.net | AS39642 Sinal A/S |
| TXT Record |
|---|
| v=spf1 a:spf-relay.dynu.com ~all |
| Policy | Record (speedmaster.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a:spf-relay.dynu.com ~all |
| Policy | Record (_dmarc.speedmaster.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none;rua=mailto:postman@speedmaster.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025081561 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | post@dns.services |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |