| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| deb.ns.cloudflare.com | — | — | — |
| langston.ns.cloudflare.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.14.224 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.204.136 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:cc88 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000::/42 | — | — |
| 2606:4700:3037::6815:ee0 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000::/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.14.224,172.67.204.136 ech=AEX+DQBBlwAgACA41AMgc1sbai2CoOVhilCbC1JktSaHjQMIOv4l671bLwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:cc88,2606:4700:3037::6815:ee0 |
| 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 | 2405333651 |
| Primary NS (MNAME) | deb.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 14:48:09 | 9848ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-08-23 09:08:34 | 954ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-08-20 06:45:57 | 1297ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-07-22 20:27:57 | 1386ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-07-11 22:52:03 | 8961ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-07-06 03:21:44 | 4070ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-06-26 18:08:01 | 778ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-06-21 15:15:18 | 2434ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-06-21 07:48:21 | 1478ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-06-16 13:55:00 | 1145ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |
| 2026-06-16 13:49:33 | 422ms | 2 NS 2 A 0 MX | 🔓 Insecure | View |