| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.226.145.211 | 600s | — | AS216275 | Netnoerden ApS | 91.226.144.0/23 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 91.226.145.211 |
| 🔶 Autoconfig | 91.226.145.211 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026083101 |
| 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 | |
|---|---|---|---|---|
| 2026-09-03 08:08:26 | 4514ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 20:28:45 | 2506ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-10 11:52:54 | 2885ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-30 10:50:31 | 1963ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 08:07:33 | 2527ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-23 12:30:11 | 946ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-22 16:20:31 | 534ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-16 14:26:33 | 341ms | 2 NS 1 A 0 MX | 🔒 Secure | View |