| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 130.226.136.211 | 21600s | tux.nerdheaven.dk | AS1835 | IDDQD-AS | 130.226.0.0/16 | 🇩🇰 Denmark | Aarhus |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 21600s | tux.nerdheaven.dk | 130.226.136.211 2001:878:0:e000:82:e2:88:d3 |
tux.nerdheaven.dk tux.nerdheaven.dk |
AS1835 IDDQD-AS AS1835 IDDQD-AS |
| 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 | 2024062300 |
| Primary NS (MNAME) | ns1.quickdns.dk |
| Responsible (RNAME) | hostmaster@quickdns.dk |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 2415600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-07-01 01:54:00 | 1441ms | 4 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-27 15:06:18 | 2938ms | 4 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-22 12:10:49 | 1153ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 11:12:18 | 1880ms | 4 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 11:11:29 | 808ms | 4 NS 1 A 1 MX | 🔓 Insecure | View |