| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.221.206.212 | 7200s | — | AS47292 | Sentia Denmark A/S | 91.221.206.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | letsencrypt.org |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082501 |
| 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 | |
|---|---|---|---|---|
| 2026-08-26 13:40:28 | 1031ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-26 16:02:43 | 4549ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-14 14:34:27 | 6490ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 19:51:09 | 608ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 16:17:44 | 1696ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 20:48:46 | 392ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 03:35:52 | 1225ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 07:06:14 | 1793ms | 2 NS 1 A 0 MX | 🔒 Secure | View |