| 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.rebelmedia.dk | 213.5.39.167 | mail.centrum.dk | AS49974 Bo data ApS |
| TXT Record |
|---|
| v=spf1 mx a ~all |
| Policy | Record (rebelmedia.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 | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026071802 |
| Primary NS (MNAME) | ns1.centrum.dk |
| Responsible (RNAME) | gsig@centrum.dk |
| Refresh | 7200s |
| Retry | 540s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-27 03:55:18 | 814ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-20 00:50:37 | 662ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-18 18:07:59 | 65535ms | 2 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-09 22:26:15 | 11927ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-05 00:16:30 | 6063ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-27 20:02:56 | 5909ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-22 15:24:27 | 7877ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-21 02:38:34 | 480ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-20 21:35:24 | 1157ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 06:07:14 | 1817ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 21:35:27 | 2599ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |