null.zhangchubin1.workers.dev - robtex.com

null.zhangchubin1.workers.dev

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:893f🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:56dc🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.86.220Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.137.63🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.86.220, 172.67.137.63
IPv6 hints2606:4700:3030::ac43:893f, 2606:4700:3037::6815:56dc
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=152, name=cloudflare-ech.com

zhangchubin1.workers.dev

DNSSEC⚠️ Not signed
NSmaisie.ns.cloudflare.com ⭐
NSroman.ns.cloudflare.com
SOAmaisie.ns.cloudflare.comdns@cloudflare.com serial=2410971286

Same first word

null.cn
null.qa
null.horse
null.tr
null.blogspot.qa
null.inc
null.blogspot.tw
null.sc
null.de.cool
null.cx
null.priv.at
null.institute
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null.ru.com
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null.bss.design
null.boutir.com
null.serveftp.org
null.plus
null.fit
null.info
null.biz
null.netlify.app
null.business
null.bot
null.eu.ngrok.io
null.barclays
null.noop.app
null.finance
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null.website.yandexcloud.net
null.apigee.io
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null.rag-cloud-ch.hosteur.com
null.7.azurestaticapps.net
null.racing
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null.blogspot.co.za
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null.myspreadshop.de
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null.s3.ap-northeast-2.amazonaws.com
null.management
null.azureedge.net
null.editorx.io
null.blue
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null.lima-city.rocks
null.w-corp-staticblitz.com
null.luxe
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null.kinghost.net
null.blogspot.com.mt
null.blogspot.de
null.pe.kr
null.myasustor.com
null.bingo
null.oops.jp
null.ai
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null.gives
null.blogspot.co.ke
null.la
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null.homesecuritymac.com
null.spdns.de
null.tube
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null.blogspot.se
null.wmflabs.org
null.s3-1.amazonaws.com
null.web.id
null.qualifioapp.com
null.cash
null.co
null.mock.pstmn.io
null.zeabur.app
null.red
null.social
null.global.ssl.fastly.net
null.technology
null.akamaized-staging.net
null.edgekey-staging.net

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null.ne.jp
null.com.lk
null.ngrok.dev
null.blogspot.com.co
null.tuxfamily.org
null.tokyo
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null.blogspot.it
null.lu
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null.2038.io
null.art.pl
null.gold
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null.s3.dualstack.us-west-2.amazonaws.com
null.nu

DNS History

4 records (4 active, 0 former)

A104.21.86.220172.67.137.632606:4700:3030::ac43:893f2606:4700:3037::6815:56dc
●A104.21.86.2202026-07-19 → 2026-08-05 · 2 obs
● 2026-07-19 19:22:30
● 2026-08-05 04:20:30
●A172.67.137.632026-07-19 → 2026-08-05 · 2 obs
● 2026-07-19 19:22:30
● 2026-08-05 04:20:30
●A2606:4700:3030::ac43:893f2026-07-19 → 2026-08-05 · 2 obs
● 2026-07-19 19:22:30
● 2026-08-05 04:20:30
●A2606:4700:3037::6815:56dc2026-07-19 → 2026-08-05 · 2 obs
● 2026-07-19 19:22:30
● 2026-08-05 04:20:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld5.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...-
workers.devsofia.ns.cloudflare.com, clyde.ns.cloudflare.com-
zhangchubin1.workers.devmaisie.ns.cloudflare.com, roman.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.89

NS records: maisie.ns.cloudflare.com, roman.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 676ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.137.63, 104.21.86.220
AAAA22606:4700:3030::ac43:893f, 2606:4700:3037::6815:56dc
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

null.zhangchubin1.workers.dev points to the four IP addresses 104.21.86.220, 172.67.137.63, 2606:4700:3030::ac43:893f and 2606:4700:3037::6815:56dc.

mail24.conexaoto.com.br, avanzarypf.com.ar, danieljamesphotography.net and two other host names share IP numbers with null.zhangchubin1.workers.dev.