| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 83.92.100.53 | 3600s | 83-92-100-53-cable.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 83.92.0.0/16 | 🇩🇰 Denmark | Brønshøj |
| 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 | 2026081201 |
| 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 16:25:28 | 632ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-25 21:21:25 | 4635ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 21:37:55 | 4422ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-16 15:23:12 | 600ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 11:19:51 | 779ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-22 10:23:28 | 517ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 13:58:17 | 637ms | 2 NS 1 A 0 MX | 🔒 Secure | View |