bc.b4c.workers.dev - dns.ninja

bc.b4c.workers.dev

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:449eπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3036::ac43:c4a9πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.68.158Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.196.169πŸ‡ΊπŸ‡Έ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.68.158, 172.67.196.169
IPv6 hints2606:4700:3033::6815:449e, 2606:4700:3036::ac43:c4a9
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=173, name=cloudflare-ech.com

b4c.workers.dev

DNSSEC⚠️ Not signed
NSerin.ns.cloudflare.com ⭐
NSkurt.ns.cloudflare.com
SOAerin.ns.cloudflare.comdns@cloudflare.com serial=2409283043

Same first word

Similar names

DNS History

6 records (4 active, 2 former)

A104.21.68.158172.67.196.1692606:4700:3033::6815:449e2606:4700:3036::ac43:c4a92606:4700:3031::6815:449e2606:4700:3034::ac43:c4a9
●A104.21.68.1582026-04-10 β†’ 2026-07-25 Β· 2 obs
● 2026-04-10 10:04:06
● 2026-07-25 08:19:08
●A172.67.196.1692026-04-10 β†’ 2026-07-25 Β· 2 obs
● 2026-04-10 10:04:06
● 2026-07-25 08:19:08
β—‹A2606:4700:3031::6815:449e2026-04-10 β†’ 2026-06-14 Β· 4 obs
● 2026-04-10 10:04:06
● 2026-06-14 06:10:08
β—‹ 2026-07-08 15:49:56
β—‹ 2026-07-25 08:19:08
●A2606:4700:3033::6815:449e2026-07-08 β†’ 2026-07-25 Β· 3 obs
β—‹ 2026-06-14 06:10:08
● 2026-07-08 15:49:56
● 2026-07-25 08:19:08
β—‹A2606:4700:3034::ac43:c4a92026-04-10 β†’ 2026-06-14 Β· 4 obs
● 2026-04-10 10:04:06
● 2026-06-14 06:10:08
β—‹ 2026-07-08 15:49:56
β—‹ 2026-07-25 08:19:08
●A2606:4700:3036::ac43:c4a92026-07-08 β†’ 2026-07-25 Β· 3 obs
β—‹ 2026-06-14 06:10:08
● 2026-07-08 15:49:56
● 2026-07-25 08:19:08

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
workers.devclyde.ns.cloudflare.com, sofia.ns.cloudflare.com-
b4c.workers.deverin.ns.cloudflare.com, kurt.ns.cloudflare.com-

βœ… Authoritative Response

Server:172.64.32.113

NS records: erin.ns.cloudflare.com, kurt.ns.cloudflare.com

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 384ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2172.67.196.169, 104.21.68.158
AAAA22606:4700:3033::6815:449e, 2606:4700:3036::ac43:c4a9
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

bc.b4c.workers.dev points to the four IP addresses 104.21.68.158, 172.67.196.169, 2606:4700:3033::6815:449e and 2606:4700:3036::ac43:c4a9.

cssdchina.com, elearning.vsu.edu.ph, www.airticketonsale.com and two other host names share IP numbers with bc.b4c.workers.dev.