openai.chengr.workers.dev - robtex.com

openai.chengr.workers.dev

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:43fd🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:b78f🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.67.253Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.183.143🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.67.253, 172.67.183.143
IPv6 hints2606:4700:3035::6815:43fd, 2606:4700:3035::ac43:b78f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=187, name=cloudflare-ech.com

chengr.workers.dev

DNSSEC⚠️ Not signed
NSmitch.ns.cloudflare.com ⭐
NSpearl.ns.cloudflare.com
SOAmitch.ns.cloudflare.comdns@cloudflare.com serial=2411232587

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DNS History

8 records (4 active, 4 former)

A104.21.67.253172.67.183.1432606:4700:3035::6815:43fd2606:4700:3035::ac43:b78f188.114.96.4188.114.97.42a06:98c1:3120::2a06:98c1:3121::
●A104.21.67.2532026-06-25 → 2026-08-07 · 4 obs
● 2026-06-25 13:00:34
○ 2026-07-14 16:09:52
● 2026-07-15 02:02:30
● 2026-08-07 05:07:00
●A172.67.183.1432026-06-25 → 2026-08-07 · 4 obs
● 2026-06-25 13:00:34
○ 2026-07-14 16:09:52
● 2026-07-15 02:02:30
● 2026-08-07 05:07:00
○A188.114.96.42026-07-14 → 2026-07-14 · 4 obs
○ 2026-06-25 13:00:34
● 2026-07-14 16:09:52
○ 2026-07-15 02:02:30
○ 2026-08-07 05:07:00
○A188.114.97.42026-07-14 → 2026-07-14 · 4 obs
○ 2026-06-25 13:00:34
● 2026-07-14 16:09:52
○ 2026-07-15 02:02:30
○ 2026-08-07 05:07:00
●A2606:4700:3035::6815:43fd2026-06-25 → 2026-08-07 · 4 obs
● 2026-06-25 13:00:34
○ 2026-07-14 16:09:52
● 2026-07-15 02:02:30
● 2026-08-07 05:07:00
●A2606:4700:3035::ac43:b78f2026-06-25 → 2026-08-07 · 4 obs
● 2026-06-25 13:00:34
○ 2026-07-14 16:09:52
● 2026-07-15 02:02:30
● 2026-08-07 05:07:00
○A2a06:98c1:3120::2026-07-14 → 2026-07-14 · 4 obs
○ 2026-06-25 13:00:34
● 2026-07-14 16:09:52
○ 2026-07-15 02:02:30
○ 2026-08-07 05:07:00
○A2a06:98c1:3121::2026-07-14 → 2026-07-14 · 4 obs
○ 2026-06-25 13:00:34
● 2026-07-14 16:09:52
○ 2026-07-15 02:02:30
○ 2026-08-07 05:07:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
workers.devsofia.ns.cloudflare.com, clyde.ns.cloudflare.com-
chengr.workers.devmitch.ns.cloudflare.com, pearl.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.140

NS records: mitch.ns.cloudflare.com, pearl.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 734ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.67.253, 172.67.183.143
AAAA22606:4700:3035::6815:43fd, 2606:4700:3035::ac43:b78f
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

openai.chengr.workers.dev directs to four IP numbers, which are 104.21.67.253, 172.67.183.143, 2606:4700:3035::6815:43fd and 2606:4700:3035::ac43:b78f.

homesteadhelpers.net, nextpro.co.il, www.alxrecipes.com plus two other host names have IP numbers in common with openai.chengr.workers.dev.