| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 212.71.253.253 | 43200s | li626-253.members.linode.com | AS63949 | Akamai Connected Cloud | 212.71.248.0/21 | 🇬🇧 United Kingdom | London |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 212.71.253.253 |
| 🔶 Autoconfig | 212.71.253.253 |
| 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 | |
|---|---|---|---|---|
| 2026-08-26 23:18:46 | 801ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-08-11 20:24:51 | 5357ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-07-18 02:50:35 | 1719ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-07-13 20:41:09 | 9285ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-07-02 02:57:49 | 848ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-06-19 23:20:47 | 812ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-06-18 08:48:19 | 14443ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-06-18 08:44:47 | 18440ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-06-18 08:10:23 | 30443ms | 2 NS 1 A 7 MX | 🔒 Secure | View |