| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.21.172 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.199.166 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.21.172 |
| 🔶 Autoconfig | 104.21.21.172 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:15ac | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:c7a6 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.21.172,172.67.199.166 ech=AEX+DQBBywAgACBPN5ywDnikoHkuqZfJAT5lnj+3/jUcWaKHlz2inJ2qTAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:15ac,2606:4700:3035::ac43:c7a6 |
| 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 | 2412998395 |
| Primary NS (MNAME) | brian.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-24 03:16:33 | 978ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-08-07 23:59:08 | 1249ms | 2 NS 0 A 0 MX | 🔓 Insecure | View |
| 2026-07-29 07:24:07 | 793ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-27 17:18:51 | 824ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-26 16:10:33 | 686ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-25 15:40:18 | 2733ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-24 15:09:30 | 2644ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-23 14:40:29 | 801ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-22 14:28:48 | 8694ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-20 21:25:28 | 1141ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-19 18:49:11 | 8588ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-18 12:42:07 | 977ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-17 11:06:45 | 9767ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-16 03:36:17 | 708ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-11 00:48:34 | 657ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-08 18:50:51 | 793ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-07 05:01:47 | 779ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-06 01:23:40 | 866ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-04 23:01:28 | 3169ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-07-02 22:48:19 | 614ms | 1 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-18 06:29:25 | 784ms | 4 NS 1 A 1 MX | 🔒 Secure | View |