| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.16.173 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.214.227 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.16.173 |
| 🔶 Autoconfig | 172.67.214.227 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:10ad | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3031::ac43:d6e3 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.16.173,172.67.214.227 ech=AEX+DQBBOQAgACDReRiOW+HwoQUTXzsusmUib7wRjR/raK7KozQJ3xIlTQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:10ad,2606:4700:3031::ac43:d6e3 |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2413255237 |
| Primary NS (MNAME) | alex.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-27 13:03:56 | 751ms | 2 NS 2 A 4 MX | 🔓 Insecure | View |
| 2026-08-24 03:09:01 | 6311ms | 2 NS 2 A 4 MX | 🔓 Insecure | View |
| 2026-08-22 18:26:55 | 3645ms | 2 NS 2 A 4 MX | 🔓 Insecure | View |
| 2026-08-20 18:02:15 | 10899ms | 2 NS 2 A 4 MX | 🔓 Insecure | View |
| 2026-08-12 11:35:39 | 7125ms | 2 NS 2 A 4 MX | 🔓 Insecure | View |
| 2026-07-17 01:07:38 | 1433ms | 2 NS 2 A 4 MX | 🔓 Insecure | View |
| 2026-06-25 21:10:00 | 1111ms | 2 NS 2 A 4 MX | 🔓 Insecure | View |
| 2026-06-22 17:17:56 | 947ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 23:37:35 | 1038ms | 2 NS 2 A 4 MX | 🔓 Insecure | View |