| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.5.109 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.133.87 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.133.87 |
| 🔶 Autoconfig | 104.21.5.109 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:56d | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:8557 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.5.109,172.67.133.87 ech=AEX+DQBBEAAgACCr8f/kgg/pJ5FJI/NdUqTZ3Ld/9apU/Dx0zahJhfBWeQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:56d,2606:4700:3036::ac43:8557 |
| 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 | 2413625699 |
| 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 | |
|---|---|---|---|---|
| 2026-09-01 04:31:00 | 483ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-08-30 21:08:07 | 511ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-08-03 19:55:11 | 2815ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-06-23 23:56:42 | 887ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-06-21 16:10:31 | 648ms | 2 NS 2 A 0 MX | ⚠️ Bogus | View |
| 2026-06-21 15:41:13 | 1034ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 05:05:20 | 1575ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-06-18 08:09:56 | 2880ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |