| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.249.218.26 | 43200s | webhotel.semler.dk | AS3292 | TDC Holding A/S | 195.249.0.0/16 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081301 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-14 21:53:23 | 2431ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-16 23:18:31 | 585ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 21:00:17 | 430ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 14:50:12 | 506ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-22 16:25:11 | 1089ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-21 21:09:03 | 1169ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 09:10:32 | 769ms | 2 NS 1 A 0 MX | 🔒 Secure | View |