coefficient.engineering - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

coefficient.engineering

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:80ec🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:253🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.2.83Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.128.236🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdesi.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a60🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdesi.ns.cloudflare.com
A2803:f800:50::6ca2:c060🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdesi.ns.cloudflare.com
A2a06:98c1:50::ac40:2060🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdesi.ns.cloudflare.com
A108.162.192.96🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdesi.ns.cloudflare.com
A172.64.32.96🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdesi.ns.cloudflare.com
A173.245.58.96🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdesi.ns.cloudflare.com
NSlakas.ns.cloudflare.com
A2606:4700:58::adf5:3bc2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlakas.ns.cloudflare.com
A2803:f800:50::6ca2:c1c2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlakas.ns.cloudflare.com
A2a06:98c1:50::ac40:21c2🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlakas.ns.cloudflare.com
A108.162.193.194🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlakas.ns.cloudflare.com
A172.64.33.194🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlakas.ns.cloudflare.com
A173.245.59.194🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlakas.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.2.83, 172.67.128.236
IPv6 hints2606:4700:3031::ac43:80ec, 2606:4700:3035::6815:253
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=55, name=cloudflare-ech.com
SOAdesi.ns.cloudflare.comdns@cloudflare.com serial=2415176928

engineering

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.engineering ⭐
NSv0n1.nic.engineering
NSv0n2.nic.engineering
NSv0n3.nic.engineering
NSv2n0.nic.engineering
NSv2n1.nic.engineering
SOAv0n0.nic.engineeringhostmaster@donuts.email serial=1790419787

Same first word

coefficient.com
coefficient.earth
coefficient.tech
coefficient.net.au
coefficient.org
coefficient.group
coefficient.health
coefficient.se
coefficient.software
coefficient.africa
coefficient.live
coefficient.engineering
coefficient.energy
coefficient.workers.dev
coefficient.ml
coefficient.llc
coefficient.org.za
coefficient.services
coefficient.pages.dev
coefficient.online
coefficient.cc
coefficient.au
coefficient.uk.com
coefficient.us
coefficient.world
coefficient.com.tr
coefficient.net
coefficient.events
coefficient.ai
coefficient.it
coefficient.fun
coefficient.bio
coefficient.cloud
coefficient.ky
coefficient.top
coefficient.ca
coefficient.foundation
coefficient.io
coefficient.vc
coefficient.si
coefficient.design
coefficient.xyz
coefficient.fr
coefficient.sh
coefficient.com.au
coefficient.co.in
coefficient.giving
coefficient.ru
coefficient.in
coefficient.lol
coefficient.co
coefficient.nl

Similar names

tecnioffice.es
intecoffice.co.uk
ecofficient.org
tecnioffice.pt
ecofficient.digital
efficientco.com
ecofficient.fr
ecofficient.de
tecnioffice.com

Previous names

coast.engineering
cobalt.engineering
cobatech.engineering
cobloaf.engineering
cobrand.engineering
(0x636f636b)rell.engineering
cocktail.engineering
cocone.engineering
coda.engineering
codecraft.engineering
codeflow.engineering
codeminers.engineering
coder.engineering
codescape.engineering
codescope.engineering
codex.engineering
codify.engineering
cody.engineering
codydorsey.engineering

Next names

coelho.engineering
coffee.engineering
cog.engineering
cogentic.engineering
cogineer.engineering
cognitive.engineering
cognitivesystems.engineering
cohen.engineering
coherent.engineering
coil.engineering
coin.engineering
coinbase.engineering
coinbasecloud.engineering
colateral.engineering
colegarner.engineering
coleman.engineering
collaboration.engineering
collaborative.engineering
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collins.engineering

DNS History

6 records (6 active, 0 former)

NSdesi.ns.cloudflare.comlakas.ns.cloudflare.comA104.21.2.83172.67.128.2362606:4700:3031::ac43:80ec2606:4700:3035::6815:253
●NSdesi.ns.cloudflare.com2026-09-17 → 2026-09-26 · 2 obs
● 2026-09-17 22:59:50
● 2026-09-26 11:10:24
●NSlakas.ns.cloudflare.com2026-09-17 → 2026-09-26 · 2 obs
● 2026-09-17 22:59:50
● 2026-09-26 11:10:24
●A104.21.2.832026-09-17 → 2026-09-26 · 2 obs
● 2026-09-17 22:59:50
● 2026-09-26 11:10:24
●A172.67.128.2362026-09-17 → 2026-09-26 · 2 obs
● 2026-09-17 22:59:50
● 2026-09-26 11:10:24
●A2606:4700:3031::ac43:80ec2026-09-17 → 2026-09-26 · 2 obs
● 2026-09-17 22:59:50
● 2026-09-26 11:10:24
●A2606:4700:3035::6815:2532026-09-17 → 2026-09-26 · 2 obs
● 2026-09-17 22:59:50
● 2026-09-26 11:10:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
engineeringv0n0.nic.engineering, v0n1.nic.engineering, v0n2.nic.engineering, v0n3.nic.engineering...12 records
coefficient.engineeringdesi.ns.cloudflare.com, lakas.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.194

NS records: desi.ns.cloudflare.com, lakas.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coefficient.engineering (unsigned zone)

⏱️ Timing

Total: 1626ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.2.83, 172.67.128.236
AAAA22606:4700:3035::6815:253, 2606:4700:3031::ac43:80ec
NS2desi.ns.cloudflare.com, lakas.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1desi.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.engineering, v0n1.nic.engineering, v0n2.nic.engineering...)

Analysis

IP Addresses

coefficient.engineering points to the four IP addresses 104.21.2.83, 172.67.128.236, 2606:4700:3031::ac43:80ec and 2606:4700:3035::6815:253.

Additional host names — marcidelivypizza.delivery, stickyattack.it, ivanmooreresearch.com and two others — share IP numbers with coefficient.engineering.

Name Servers

coefficient.engineering has two authoritative name servers — desi.ns.cloudflare.com and lakas.ns.cloudflare.com.

coefficient.engineering shares its name server setup with other domains, including thechurchhousebanbury.co.uk, nodepositbonus-casinos.org, toastleaflets.co.uk and two others.

There is at least partial name server overlap between coefficient.engineering and other domains — tashflix.ca, fortemtec.com.br, masa-chat-web-app.pages.dev and two more among them.

The name servers dan.ns.cloudflare.com, deb.ns.cloudflare.com and damiete.ns.cloudflare.com are often found in combination with these name servers.

Host names with 6 IP numbers:

desi.ns.cloudflare.com points to 108.162.192.96, 172.64.32.96, 173.245.58.96 and 3 other IP addresses.

lakas.ns.cloudflare.com points to 108.162.193.194, 172.64.33.194, 173.245.59.194 and 3 other IP addresses.