| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.centrum.dk | 213.5.39.156 | 213-5-39-156.static.ip.bodata.dk | AS49974 Bo data ApS |
| ns2.centrum.dk | 80.209.94.234 | 80.209.94.234.static.fibianet.dk | AS44869 FIBIA P/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 213.5.39.156 | 3600s | 213-5-39-156.static.ip.bodata.dk | AS49974 | Bo data ApS | 213.5.32.0/21 | 🇩🇰 Denmark | Vildbjerg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.iusmerc.dk | 213.5.39.167 | mail.centrum.dk | AS49974 Bo data ApS |
| TXT Record |
|---|
| v=spf1 mx a ~all |
| Policy | Record (iusmerc.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 | 2020102603 |
| Primary NS (MNAME) | ns1.centrum.dk |
| Responsible (RNAME) | gsig@centrum.dk |
| Refresh | 7200s |
| Retry | 540s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |