| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 193.201.39.91 | 3600s | web01.ptr.tangora.dk | AS44398 | Itm8 A/S | 193.201.39.0/24 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 193.201.39.91 |
| 🔶 Autoconfig | 193.201.39.91 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081101 |
| 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 | |
|---|---|---|---|---|
| 2026-08-27 23:16:35 | 558ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 00:23:52 | 4458ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-12 20:48:05 | 3067ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-30 11:23:45 | 4598ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 20:35:02 | 655ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-13 04:07:55 | 596ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-04 17:53:09 | 3041ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-24 08:09:05 | 2282ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |
| 2026-06-23 20:36:43 | 1157ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-23 08:12:58 | 1057ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-22 05:15:40 | 452ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 13:14:52 | 503ms | 2 NS 1 A 0 MX | 🔒 Secure | View |