| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.50.174 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.207.120 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.50.174 |
| 🔶 Autoconfig | 172.67.207.120 |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h2" ipv4hint=104.21.50.174,172.67.207.120 ech=AEX+DQBBuAAgACBA8Yz/DhGDwWgG8d8RZw5Thy5dXPNOZ4QxnMN/4781bQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2412876925 |
| Primary NS (MNAME) | duke.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-22 22:53:17 | 903ms | 2 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-08-12 11:37:22 | 929ms | 2 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-08-06 13:12:01 | 872ms | 2 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-21 10:27:53 | 25570ms | 2 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-20 01:28:00 | 2728ms | 2 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-12 09:52:10 | 827ms | 2 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-01 09:20:01 | 794ms | 2 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-06-26 09:55:31 | 1554ms | 2 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-06-19 13:03:43 | 712ms | 2 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-06-17 19:31:03 | 942ms | 2 NS 2 A 0 MX | 🔒 Secure | View |