a.builds4961.workers.dev - robtex.com

a.builds4961.workers.dev

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:990a🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:2891🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.40.145Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.153.10🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.40.145, 172.67.153.10
IPv6 hints2606:4700:3030::ac43:990a, 2606:4700:3036::6815:2891
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=94, name=cloudflare-ech.com

builds4961.workers.dev

DNSSEC⚠️ Not signed
NSharley.ns.cloudflare.com ⭐
NSteagan.ns.cloudflare.com
SOAharley.ns.cloudflare.comdns@cloudflare.com serial=2406838616

Same first word

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a.net.cn
a.sc
a.realty
a.boutique
a.community
a.jewelry
a.fm
a.com.my
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a.asia
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a.associates
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a.af
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a.cooking
a.vg
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a.fit
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a.hm
a.group
a.pizza
a.mp
a.mom
a.io
a.email
a.cloudfunctions.net
a.tools
a.codes
a.bargains
a.coupons
a.com.mt
a.app
a.is
a.institute
a.or.at
a.fi
a.blogspot.com
a.edu.vn
a.et
a.ua
a.cat
a.pn
a.am
a.coffee
a.university
a.com.pe
a.cheap
a.com.cn
a.sg
a.finance
a.mortgage
a.gift
a.tt
a.game
a.pe
a.shoes
a.deals
a.top
a.sh
a.bw
a.rgr.jp
a.farm
a.country
a.fyi
a.enterprises
a.wiki
a.day
a.co.tz
a.toys
a.taxi
a.cam

Similar names

a.doctor
a.je
a.edgekey.net
a.cc
a.kg
a.cz
a.sd.cn
a.gt
a.mk
a.business
a.st
a.wedding
a.com.cm
a.media
a.works
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a.my
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a.network
a.foundation
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a.support
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a.cl
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a.net.vn
a.careers
a.parts
a.gl
a.tennis
a.solutions
a.plus
a.events
a.pics
a.co.za
a.uk
a.partners
a.chat
a.pictures
a.guru
a.aivencloud.com
a.zip
a.directory
a.kiev.ua
a.net.nz
a.school
a.net.pl
a.cn
a.org
a.hr
a.dk
a.tv
a.com.se

DNS History

6 records (4 active, 2 former)

A104.21.40.145172.67.153.102606:4700:3030::ac43:990a2606:4700:3036::6815:28912606:4700:3031::6815:28912606:4700:3035::ac43:990a
●A104.21.40.1452026-03-18 → 2026-07-27 · 2 obs
● 2026-03-18 04:08:32
● 2026-07-27 16:24:26
●A172.67.153.102026-03-18 → 2026-07-27 · 2 obs
● 2026-03-18 04:08:32
● 2026-07-27 16:24:26
●A2606:4700:3030::ac43:990a2026-07-05 → 2026-07-27 · 3 obs
○ 2026-06-13 15:51:00
● 2026-07-05 00:37:24
● 2026-07-27 16:24:26
○A2606:4700:3031::6815:28912026-03-18 → 2026-06-13 · 4 obs
● 2026-03-18 04:08:32
● 2026-06-13 15:51:00
○ 2026-07-05 00:37:24
○ 2026-07-27 16:24:26
○A2606:4700:3035::ac43:990a2026-03-18 → 2026-06-13 · 4 obs
● 2026-03-18 04:08:32
● 2026-06-13 15:51:00
○ 2026-07-05 00:37:24
○ 2026-07-27 16:24:26
●A2606:4700:3036::6815:28912026-07-05 → 2026-07-27 · 3 obs
○ 2026-06-13 15:51:00
● 2026-07-05 00:37:24
● 2026-07-27 16:24:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
workers.devclyde.ns.cloudflare.com, sofia.ns.cloudflare.com-
builds4961.workers.devharley.ns.cloudflare.com, teagan.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.174

NS records: harley.ns.cloudflare.com, teagan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workers.dev (unsigned zone)

⏱️ Timing

Total: 417ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.40.145, 172.67.153.10
AAAA22606:4700:3030::ac43:990a, 2606:4700:3036::6815:2891
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

a.builds4961.workers.dev resolves to four IP addresses: 104.21.40.145, 172.67.153.10, 2606:4700:3030::ac43:990a and 2606:4700:3036::6815:2891.

www.pkcontrols.com, cansionpesca.com, 8f35.com and two other host names share IP numbers with a.builds4961.workers.dev.