| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 89.16.191.66 | 3600s | 89-16-191-66.no-reverse-dns-set.bytemark.co.uk | AS35425 | Iomart Managed Services Limited | 89.16.160.0/19 | 🇬🇧 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 | 2026082701 |
| 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 | |
|---|---|---|---|---|
| 2026-08-28 10:16:05 | 1015ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 10:06:54 | 780ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-24 13:14:17 | 2071ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-17 18:55:56 | 2932ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-27 21:35:03 | 877ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 01:57:05 | 1303ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 17:11:09 | 11224ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-16 14:04:09 | 566ms | 2 NS 1 A 0 MX | 🔒 Secure | View |