openai.lfnb4855.workers.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

openai.lfnb4855.workers.dev

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:a940🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:1b73🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.27.115Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.169.64🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.27.115, 172.67.169.64
IPv6 hints2606:4700:3031::ac43:a940, 2606:4700:3033::6815:1b73
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=39, name=cloudflare-ech.com

lfnb4855.workers.dev

DNSSEC⚠️ Not signed
NSmay.ns.cloudflare.com ⭐
NSrick.ns.cloudflare.com
SOAmay.ns.cloudflare.comdns@cloudflare.com serial=2411999834

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DNS History

4 records (4 active, 0 former)

A104.21.27.115172.67.169.642606:4700:3031::ac43:a9402606:4700:3033::6815:1b73
●A104.21.27.1152026-06-28 → 2026-08-16 · 2 obs
● 2026-06-28 15:35:14
● 2026-08-16 01:05:08
●A172.67.169.642026-06-28 → 2026-08-16 · 2 obs
● 2026-06-28 15:35:14
● 2026-08-16 01:05:08
●A2606:4700:3031::ac43:a9402026-06-28 → 2026-08-16 · 2 obs
● 2026-06-28 15:35:14
● 2026-08-16 01:05:08
●A2606:4700:3033::6815:1b732026-06-28 → 2026-08-16 · 2 obs
● 2026-06-28 15:35:14
● 2026-08-16 01:05:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
workers.devsofia.ns.cloudflare.com, clyde.ns.cloudflare.com-
lfnb4855.workers.devmay.ns.cloudflare.com, rick.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.135

NS records: may.ns.cloudflare.com, rick.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 1759ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.169.64, 104.21.27.115
AAAA22606:4700:3031::ac43:a940, 2606:4700:3033::6815:1b73
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

openai.lfnb4855.workers.dev directs to four IP numbers, which are 104.21.27.115, 172.67.169.64, 2606:4700:3031::ac43:a940 and 2606:4700:3033::6815:1b73.

preziti.eu, www.newleafinitiative.org, stats306.org and two other host names share IP numbers with openai.lfnb4855.workers.dev.