| 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 | 2026071101 |
| 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 | |
|---|---|---|---|---|
| 2026-09-02 20:26:56 | 974ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-08-28 08:47:57 | 770ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-08-11 07:11:47 | 6397ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-07-18 04:32:46 | 1336ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-07-13 16:42:05 | 17005ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-06-26 02:31:01 | 2623ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-06-23 02:02:24 | 777ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-06-21 23:40:45 | 644ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-06-20 01:23:32 | 2021ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-06-17 09:08:40 | 1168ms | 2 NS 1 A 7 MX | 🔒 Secure | View |