corteva-interview.zuodev.workers.dev - dns.ninja
corteva-interview.zuodev.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:4dfd🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:d63e🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.77.253Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.214.62🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.77.253, 172.67.214.62 | ||||||
| IPv6 hints | 2606:4700:3033::6815:4dfd, 2606:4700:3037::ac43:d63e | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=192, name=cloudflare-ech.com | ||||||
zuodev.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| NS | cleo.ns.cloudflare.com ⭐ | ||||||
| NS | lindsey.ns.cloudflare.com | ||||||
| SOA | cleo.ns.cloudflare.comdns@cloudflare.com serial=2411678144 | ||||||
DNS History
7 records (4 active, 3 former)
●A104.21.77.2532026-02-18 → 2026-08-12 · 2 obs
● 2026-02-18 15:21:00
● 2026-08-12 05:50:48
● 2026-08-12 05:50:48
●A172.67.214.622026-02-18 → 2026-08-12 · 2 obs
● 2026-02-18 15:21:00
● 2026-08-12 05:50:48
● 2026-08-12 05:50:48
○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-18 → 2026-02-18 · 3 obs
● 2026-02-18 15:21:00
○ 2026-02-24 14:46:02
○ 2026-08-12 05:50:48
○ 2026-02-24 14:46:02
○ 2026-08-12 05:50:48
○A2606:4700:3030::6815:4dfd2026-02-24 → 2026-04-16 · 5 obs
○ 2026-02-18 15:21:00
● 2026-02-24 14:46:02
● 2026-04-16 11:32:44
○ 2026-06-18 22:33:54
○ 2026-08-12 05:50:48
● 2026-02-24 14:46:02
● 2026-04-16 11:32:44
○ 2026-06-18 22:33:54
○ 2026-08-12 05:50:48
○A2606:4700:3031::ac43:d63e2026-02-24 → 2026-04-16 · 5 obs
○ 2026-02-18 15:21:00
● 2026-02-24 14:46:02
● 2026-04-16 11:32:44
○ 2026-06-18 22:33:54
○ 2026-08-12 05:50:48
● 2026-02-24 14:46:02
● 2026-04-16 11:32:44
○ 2026-06-18 22:33:54
○ 2026-08-12 05:50:48
●A2606:4700:3033::6815:4dfd2026-06-18 → 2026-08-12 · 3 obs
○ 2026-04-16 11:32:44
● 2026-06-18 22:33:54
● 2026-08-12 05:50:48
● 2026-06-18 22:33:54
● 2026-08-12 05:50:48
●A2606:4700:3037::ac43:d63e2026-06-18 → 2026-08-12 · 3 obs
○ 2026-04-16 11:32:44
● 2026-06-18 22:33:54
● 2026-08-12 05:50:48
● 2026-06-18 22:33:54
● 2026-08-12 05:50:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| workers.dev | sofia.ns.cloudflare.com, clyde.ns.cloudflare.com | - |
| zuodev.workers.dev | cleo.ns.cloudflare.com, lindsey.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.194.5
NS records: cleo.ns.cloudflare.com, lindsey.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for workers.dev (unsigned zone)
⏱️ Timing
Total: 1149ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.77.253, 172.67.214.62 |
| AAAA | 2 | 2606:4700:3033::6815:4dfd, 2606:4700:3037::ac43:d63e |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
corteva-interview.zuodev.workers.dev directs to four IP numbers, which are 104.21.77.253, 172.67.214.62, 2606:4700:3033::6815:4dfd and 2606:4700:3037::ac43:d63e.
Among the host names that share IP numbers with corteva-interview.zuodev.workers.dev are www.teamtancredo.com, casino6118.cfd, ffe-uk.com and two others.