google.calvinchaochao.workers.dev - robtex.com
google.calvinchaochao.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::ac43:b4a4🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:3045🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.48.69Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.180.164🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.48.69, 172.67.180.164 | ||||||
| IPv6 hints | 2606:4700:3034::ac43:b4a4, 2606:4700:3035::6815:3045 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=194, name=cloudflare-ech.com | ||||||
calvinchaochao.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| NS | buck.ns.cloudflare.com ⭐ | ||||||
| NS | kay.ns.cloudflare.com | ||||||
| SOA | buck.ns.cloudflare.comdns@cloudflare.com serial=2402102064 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●A104.21.48.692026-04-11 → 2026-05-14 · 2 obs
● 2026-04-11 11:28:16
● 2026-05-14 06:36:44
● 2026-05-14 06:36:44
●A172.67.180.1642026-04-11 → 2026-05-14 · 2 obs
● 2026-04-11 11:28:16
● 2026-05-14 06:36:44
● 2026-05-14 06:36:44
●A2606:4700:3034::ac43:b4a42026-04-11 → 2026-05-14 · 2 obs
● 2026-04-11 11:28:16
● 2026-05-14 06:36:44
● 2026-05-14 06:36:44
●A2606:4700:3035::6815:30452026-04-11 → 2026-05-14 · 2 obs
● 2026-04-11 11:28:16
● 2026-05-14 06:36:44
● 2026-05-14 06:36:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| workers.dev | clyde.ns.cloudflare.com, sofia.ns.cloudflare.com | - |
| calvinchaochao.workers.dev | buck.ns.cloudflare.com, kay.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.125
NS records: buck.ns.cloudflare.com, kay.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for workers.dev (unsigned zone)
⏱️ Timing
Total: 404ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.180.164, 104.21.48.69 |
| AAAA | 2 | 2606:4700:3034::ac43:b4a4, 2606:4700:3035::6815:3045 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
google.calvinchaochao.workers.dev maps to four IP numbers: 2606:4700:3034::ac43:b4a4, 2606:4700:3035::6815:3045, 104.21.48.69 and 172.67.180.164.
other host names include sxdstj.com, doktors.lv, avi-plumbing.co.il, bemoved.app and www.kwygmq.business; they share IP numbers with google.calvinchaochao.workers.dev.