b2proxy0.csfya.workers.dev - dns.ninja
b2proxy0.csfya.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:84b9🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3032::6815:50d🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.5.13Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.132.185🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.5.13, 172.67.132.185 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:84b9, 2606:4700:3032::6815:50d | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=232, name=cloudflare-ech.com | ||||||
csfya.workers.dev
| DNSSEC | ⚠️ Not signed | ||||||
| NS | micah.ns.cloudflare.com ⭐ | ||||||
| NS | robin.ns.cloudflare.com | ||||||
| SOA | micah.ns.cloudflare.comdns@cloudflare.com serial=2406838521 | ||||||
DNS History
10 records (4 active, 6 former)
●A104.21.5.132026-02-19 → 2026-07-05 · 8 obs
● 2026-02-19 05:19:20
● 2026-02-22 19:29:54
○ 2026-03-19 00:08:38
● 2026-03-22 19:31:06
● 2026-03-28 14:29:58
○ 2026-03-30 21:29:02
● 2026-04-24 17:37:42
● 2026-07-05 04:07:30
● 2026-02-22 19:29:54
○ 2026-03-19 00:08:38
● 2026-03-22 19:31:06
● 2026-03-28 14:29:58
○ 2026-03-30 21:29:02
● 2026-04-24 17:37:42
● 2026-07-05 04:07:30
●A172.67.132.1852026-02-19 → 2026-07-05 · 8 obs
● 2026-02-19 05:19:20
● 2026-02-22 19:29:54
○ 2026-03-19 00:08:38
● 2026-03-22 19:31:06
● 2026-03-28 14:29:58
○ 2026-03-30 21:29:02
● 2026-04-24 17:37:42
● 2026-07-05 04:07:30
● 2026-02-22 19:29:54
○ 2026-03-19 00:08:38
● 2026-03-22 19:31:06
● 2026-03-28 14:29:58
○ 2026-03-30 21:29:02
● 2026-04-24 17:37:42
● 2026-07-05 04:07:30
○A188.114.96.02026-03-19 → 2026-03-30 · 7 obs
○ 2026-02-22 19:29:54
● 2026-03-19 00:08:38
○ 2026-03-22 19:31:06
○ 2026-03-28 14:29:58
● 2026-03-30 21:29:02
○ 2026-04-24 17:37:42
○ 2026-07-05 04:07:30
● 2026-03-19 00:08:38
○ 2026-03-22 19:31:06
○ 2026-03-28 14:29:58
● 2026-03-30 21:29:02
○ 2026-04-24 17:37:42
○ 2026-07-05 04:07:30
○A188.114.97.02026-03-19 → 2026-03-30 · 7 obs
○ 2026-02-22 19:29:54
● 2026-03-19 00:08:38
○ 2026-03-22 19:31:06
○ 2026-03-28 14:29:58
● 2026-03-30 21:29:02
○ 2026-04-24 17:37:42
○ 2026-07-05 04:07:30
● 2026-03-19 00:08:38
○ 2026-03-22 19:31:06
○ 2026-03-28 14:29:58
● 2026-03-30 21:29:02
○ 2026-04-24 17:37:42
○ 2026-07-05 04:07:30
○A2606:4700:3031::6815:50d2026-02-19 → 2026-04-24 · 8 obs
● 2026-02-19 05:19:20
● 2026-02-22 19:29:54
○ 2026-03-19 00:08:38
● 2026-03-22 19:31:06
● 2026-03-28 14:29:58
○ 2026-03-30 21:29:02
● 2026-04-24 17:37:42
○ 2026-07-05 04:07:30
● 2026-02-22 19:29:54
○ 2026-03-19 00:08:38
● 2026-03-22 19:31:06
● 2026-03-28 14:29:58
○ 2026-03-30 21:29:02
● 2026-04-24 17:37:42
○ 2026-07-05 04:07:30
●A2606:4700:3031::ac43:84b92026-07-05 → 2026-07-05 · 2 obs
○ 2026-04-24 17:37:42
● 2026-07-05 04:07:30
● 2026-07-05 04:07:30
●A2606:4700:3032::6815:50d2026-07-05 → 2026-07-05 · 2 obs
○ 2026-04-24 17:37:42
● 2026-07-05 04:07:30
● 2026-07-05 04:07:30
○A2606:4700:3035::ac43:84b92026-02-19 → 2026-04-24 · 8 obs
● 2026-02-19 05:19:20
● 2026-02-22 19:29:54
○ 2026-03-19 00:08:38
● 2026-03-22 19:31:06
● 2026-03-28 14:29:58
○ 2026-03-30 21:29:02
● 2026-04-24 17:37:42
○ 2026-07-05 04:07:30
● 2026-02-22 19:29:54
○ 2026-03-19 00:08:38
● 2026-03-22 19:31:06
● 2026-03-28 14:29:58
○ 2026-03-30 21:29:02
● 2026-04-24 17:37:42
○ 2026-07-05 04:07:30
○A2a06:98c1:3120::2026-03-19 → 2026-03-30 · 7 obs
○ 2026-02-22 19:29:54
● 2026-03-19 00:08:38
○ 2026-03-22 19:31:06
○ 2026-03-28 14:29:58
● 2026-03-30 21:29:02
○ 2026-04-24 17:37:42
○ 2026-07-05 04:07:30
● 2026-03-19 00:08:38
○ 2026-03-22 19:31:06
○ 2026-03-28 14:29:58
● 2026-03-30 21:29:02
○ 2026-04-24 17:37:42
○ 2026-07-05 04:07:30
○A2a06:98c1:3121::2026-03-19 → 2026-03-30 · 7 obs
○ 2026-02-22 19:29:54
● 2026-03-19 00:08:38
○ 2026-03-22 19:31:06
○ 2026-03-28 14:29:58
● 2026-03-30 21:29:02
○ 2026-04-24 17:37:42
○ 2026-07-05 04:07:30
● 2026-03-19 00:08:38
○ 2026-03-22 19:31:06
○ 2026-03-28 14:29:58
● 2026-03-30 21:29:02
○ 2026-04-24 17:37:42
○ 2026-07-05 04:07:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| workers.dev | sofia.ns.cloudflare.com, clyde.ns.cloudflare.com | - |
| csfya.workers.dev | micah.ns.cloudflare.com, robin.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.218
NS records: micah.ns.cloudflare.com, robin.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for workers.dev (unsigned zone)
⏱️ Timing
Total: 186ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.5.13, 172.67.132.185 |
| AAAA | 2 | 2606:4700:3032::6815:50d, 2606:4700:3031::ac43:84b9 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
Analysis
IP Addresses
b2proxy0.csfya.workers.dev resolves to four IP addresses: 104.21.5.13, 172.67.132.185, 2606:4700:3031::ac43:84b9 and 2606:4700:3032::6815:50d.
Two other host names, along with jlxss.com, authority.domains and www.ritzclinic.com.tw, also share IP numbers with b2proxy0.csfya.workers.dev.