| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 193.63.75.99 | 1000s | — | AS786 | Jisc Services Limited | 193.60.0.0/14 | 🇬🇧 United Kingdom | Livingston |
| 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 | |
|---|---|---|---|---|
| 2026-08-27 12:51:22 | 707ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-12 23:38:53 | 756ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-19 06:22:23 | 700ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-14 03:59:39 | 774ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-10 04:26:38 | 4668ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 14:06:23 | 1312ms | 2 NS 1 A 0 MX | 🔒 Secure | View |