| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| dns1.pro.dk | 37.140.219.20 | — | AS31027 GlobalConnect A/S |
| dns2.pro.dk | 37.140.219.21 | — | AS31027 GlobalConnect A/S |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | spamfilter.pro.dk | 37.140.219.69 | spamfilter.pro.dk | AS31027 GlobalConnect A/S |
| TXT Record |
|---|
| v=spf1 mx a a:spamfilter.pro.dk a:smtpout.pro.dk -all |
| Policy | Record (twwounlund.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a a:spamfilter.pro.dk a:smtpout.pro.dk -all |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 9 |
| Primary NS (MNAME) | dns-1 |
| Responsible (RNAME) | hostmaster |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-06-25 02:25:57 | 431ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-06-22 06:08:00 | 670ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-06-21 10:30:16 | 971ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-19 21:39:02 | 488ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 12:15:28 | 4552ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |