| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.43.237 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.189.3 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.43.237 |
| 🔶 Autoconfig | 104.21.43.237 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:bd03 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:2bed | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.43.237,172.67.189.3 ech=AEX+DQBB6gAgACC4g2TfOX03vEevy7Ud4rk31vKn1eH2U8r/RgP61aQFYAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:bd03,2606:4700:3035::6815:2bed |
| 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 | 2413227631 |
| Primary NS (MNAME) | frank.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-09-02 12:42:53 | 660ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-08-27 00:17:01 | 929ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-08-19 15:52:05 | 1410ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-08-13 12:44:16 | 961ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-08-11 21:38:38 | 798ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-07-01 12:57:11 | 764ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-06-28 09:26:56 | 771ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-06-17 14:55:18 | 2139ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |