| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 5.134.9.242 | 43200s | gsh21.guru.net.uk | AS34282 | Team Blue Carrier Limited | 5.134.8.0/21 | 🇬🇧 United Kingdom | — |
| 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 | 2026082601 |
| 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 | |
|---|---|---|---|---|
| 2026-08-30 08:45:42 | 463ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 14:39:41 | 1183ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-27 12:52:41 | 2690ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 18:29:10 | 978ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 08:38:05 | 730ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 03:16:10 | 823ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 15:22:24 | 588ms | 2 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-06-16 15:20:12 | 542ms | 2 NS 1 A 0 MX | 🔒 Secure | View |