zbi.cfw557.workers.dev - robtex.com
zbi.cfw557.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::ac43:cb91🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:3cfc🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.60.252Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.203.145🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.60.252, 172.67.203.145 | ||||||
| IPv6 hints | 2606:4700:3034::ac43:cb91, 2606:4700:3037::6815:3cfc | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=123, name=cloudflare-ech.com | ||||||
cfw557.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| NS | cruz.ns.cloudflare.com ⭐ | ||||||
| NS | dane.ns.cloudflare.com | ||||||
| SOA | cruz.ns.cloudflare.comdns@cloudflare.com serial=2407098786 | ||||||
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●A104.21.60.2522026-06-10 → 2026-07-21 · 2 obs
● 2026-06-10 15:05:10
● 2026-07-21 20:41:48
● 2026-07-21 20:41:48
●A172.67.203.1452026-06-10 → 2026-07-21 · 2 obs
● 2026-06-10 15:05:10
● 2026-07-21 20:41:48
● 2026-07-21 20:41:48
●A2606:4700:3034::ac43:cb912026-07-21 → 2026-07-21 · 2 obs
○ 2026-06-13 11:56:02
● 2026-07-21 20:41:48
● 2026-07-21 20:41:48
○A2606:4700:3035::6815:3cfc2026-06-10 → 2026-06-13 · 3 obs
● 2026-06-10 15:05:10
● 2026-06-13 11:56:02
○ 2026-07-21 20:41:48
● 2026-06-13 11:56:02
○ 2026-07-21 20:41:48
○A2606:4700:3035::ac43:cb912026-06-10 → 2026-06-13 · 3 obs
● 2026-06-10 15:05:10
● 2026-06-13 11:56:02
○ 2026-07-21 20:41:48
● 2026-06-13 11:56:02
○ 2026-07-21 20:41:48
●A2606:4700:3037::6815:3cfc2026-07-21 → 2026-07-21 · 2 obs
○ 2026-06-13 11:56:02
● 2026-07-21 20:41:48
● 2026-07-21 20:41:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | 10 records |
| workers.dev | sofia.ns.cloudflare.com, clyde.ns.cloudflare.com | - |
| cfw557.workers.dev | cruz.ns.cloudflare.com, dane.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.88
NS records: cruz.ns.cloudflare.com, dane.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for workers.dev (unsigned zone)
⏱️ Timing
Total: 570ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.60.252, 172.67.203.145 |
| AAAA | 2 | 2606:4700:3037::6815:3cfc, 2606:4700:3034::ac43:cb91 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
IP Addresses
zbi.cfw557.workers.dev directs to four IP numbers, which are 104.21.60.252, 172.67.203.145, 2606:4700:3034::ac43:cb91 and 2606:4700:3037::6815:3cfc.
Among the host names that share IP numbers with zbi.cfw557.workers.dev are criartbrindes.com.br, fsly368.com, wuc.cfw557.workers.dev and two others.