cfdev.school - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

cfdev.school

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:8c40🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:1b08🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.27.8Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.64🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSautumn.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2694Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A2803:f800:50::6ca2:c294Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
A2a06:98c1:50::ac40:2294Cloudflare2a06:98c1:50::/45
A108.162.194.148Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A162.159.38.148Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.34.148Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSleonard.ns.cloudflare.com
A2606:4700:58::a29f:2c36🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleonard.ns.cloudflare.com
A2803:f800:50::6ca2:c336🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRleonard.ns.cloudflare.com
A2a06:98c1:50::ac40:2336🇺🇸 Cloudflare2a06:98c1:50::/45
PTRleonard.ns.cloudflare.com
A108.162.195.54🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleonard.ns.cloudflare.com
A162.159.44.54Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleonard.ns.cloudflare.com
A172.64.35.54🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleonard.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.27.8, 172.67.140.64
IPv6 hints2606:4700:3032::ac43:8c40, 2606:4700:3033::6815:1b08
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=147, name=cloudflare-ech.com
SOAautumn.ns.cloudflare.comdns@cloudflare.com serial=2418180842

school

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.school ⭐
NSv0n1.nic.school
NSv0n2.nic.school
NSv0n3.nic.school
NSv2n0.nic.school
NSv2n1.nic.school
SOAv0n0.nic.schoolhostmaster@donuts.email serial=1793156067

Same first word

cfdev.cloud
cfdev.se
cfdev.me
cfdev.com.br
cfdev.com
cfdev.de
cfdev.xyz
cfdev.net
cfdev.top
cfdev.pages.dev
cfdev.co
cfdev.in
cfdev.cn
cfdev.workers.dev
cfdev.io
cfdev.uk
cfdev.info
cfdev.org
cfdev.ph
cfdev.co.uk
cfdev.shop
cfdev.school
cfdev.pp.ua
cfdev.uber.space
cfdev.africa
cfdev.fr

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fcdev.com
dfevc.cn
vfcde.de
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vcfed.com
edcvf.com
ecdfv.pages.dev
fcdev.it
edcvf.app
ecvfd.com
edfvc.com
cdevf.buzz
devcf.com
fcdev.workers.dev
dcfev.org
vcfed.autos
fcdev.net
edfvc.top
cvfde.pages.dev
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fcdev.pages.dev
edcvf.pages.dev
devcf.space
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dcfev.com
fcdev.cl
fdevc.com
fcdev.uk
fcdev.cloud
fcdev.cc
fcdev.se
cdvef.cn
efdcv.pages.dev
dvcef.vip
decvf.ph
fvced.com
edcvf.vip
fcdev.de
vfdec.ph
vcfed.com.au
fecdv.pages.dev
cdfev.shop
fcdev.eu
fcdev.me
fcedv.de
fedcv.com
ecfvd.workers.dev
fdvce.pages.dev
vcfde.org
devcf.de
fcdev.fr
devcf.xyz
vcfed.org
cfedv.org
fcdev.fi
vfcde.pages.dev
fcvde.com
devcf.vercel.app
devcf.now.sh
vdefc.de
vcfde.pages.dev
vdefc.bid
devcf.ru
ecvfd.net
vfcde.eu.org
ecvfd.org
devfc.com
edvfc.com
edcfv.pages.dev
vecdf.org.ph
vcfde.net
fdcev.top
fcdev.link
edvcf.pages.dev
vcfde.com
fcdev.xyz
fcdev.com.br
cfvde.ws
devcf.workers.dev
fevdc.com
vcfed.au
vcfed.eu

Previous names

ceramic.school
cermin.school
cert.school
certificate.school
certificationbusiness.school
certified.school
certify.school
cesar.school
cesarinnovation.school
cesma.school
cest.school
ceu.school
cewekslot88.school
ceyj.school
ceyl.school
cf.school
cfa.school
cfacademy.school
cfcd.school

Next names

cfma.school
cg.school
cga.school
cgart.school
cgbugs.school
cgfns.school
cgi.school
cglab.school
chabad.school
chabadofsandton.school
chabdai.school
chacala.school
chai.school
chaiinternational.school
chain.school
chainreaction.school
chakra.school
chaldean.school
chaleesmin.school

DNS History

12 records (6 active, 6 former)

NSautumn.ns.cloudflare.comleonard.ns.cloudflare.comA104.21.27.8172.67.140.642606:4700:3032::ac43:8c402606:4700:3033::6815:1b08188.114.96.4188.114.97.42a06:98c1:3120::2a06:98c1:3120::42a06:98c1:3121::2a06:98c1:3121::4
●NSautumn.ns.cloudflare.com2026-10-08 → 2026-10-28 · 2 obs
● 2026-10-08 16:41:20
● 2026-10-28 03:38:50
●NSleonard.ns.cloudflare.com2026-10-08 → 2026-10-28 · 2 obs
● 2026-10-08 16:41:20
● 2026-10-28 03:38:50
●A104.21.27.82026-10-11 → 2026-10-28 · 5 obs
○ 2026-10-08 16:41:20
● 2026-10-11 04:51:40
○ 2026-10-20 21:24:14
● 2026-10-22 02:25:14
● 2026-10-28 03:38:50
●A172.67.140.642026-10-11 → 2026-10-28 · 5 obs
○ 2026-10-08 16:41:20
● 2026-10-11 04:51:40
○ 2026-10-20 21:24:14
● 2026-10-22 02:25:14
● 2026-10-28 03:38:50
○A188.114.96.42026-10-08 → 2026-10-20 · 5 obs
● 2026-10-08 16:41:20
○ 2026-10-11 04:51:40
● 2026-10-20 21:24:14
○ 2026-10-22 02:25:14
○ 2026-10-28 03:38:50
○A188.114.97.42026-10-08 → 2026-10-20 · 5 obs
● 2026-10-08 16:41:20
○ 2026-10-11 04:51:40
● 2026-10-20 21:24:14
○ 2026-10-22 02:25:14
○ 2026-10-28 03:38:50
●A2606:4700:3032::ac43:8c402026-10-11 → 2026-10-28 · 5 obs
○ 2026-10-08 16:41:20
● 2026-10-11 04:51:40
○ 2026-10-20 21:24:14
● 2026-10-22 02:25:14
● 2026-10-28 03:38:50
●A2606:4700:3033::6815:1b082026-10-11 → 2026-10-28 · 5 obs
○ 2026-10-08 16:41:20
● 2026-10-11 04:51:40
○ 2026-10-20 21:24:14
● 2026-10-22 02:25:14
● 2026-10-28 03:38:50
○A2a06:98c1:3120::2026-10-20 → 2026-10-20 · 4 obs
○ 2026-10-11 04:51:40
● 2026-10-20 21:24:14
○ 2026-10-22 02:25:14
○ 2026-10-28 03:38:50
○A2a06:98c1:3120::42026-10-08 → 2026-10-08 · 3 obs
● 2026-10-08 16:41:20
○ 2026-10-11 04:51:40
○ 2026-10-28 03:38:50
○A2a06:98c1:3121::2026-10-20 → 2026-10-20 · 4 obs
○ 2026-10-11 04:51:40
● 2026-10-20 21:24:14
○ 2026-10-22 02:25:14
○ 2026-10-28 03:38:50
○A2a06:98c1:3121::42026-10-08 → 2026-10-08 · 3 obs
● 2026-10-08 16:41:20
○ 2026-10-11 04:51:40
○ 2026-10-28 03:38:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
schoolv0n0.nic.school, v0n1.nic.school, v0n2.nic.school, v0n3.nic.school...12 records
cfdev.schoolautumn.ns.cloudflare.com, leonard.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.148

NS records: autumn.ns.cloudflare.com, leonard.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cfdev.school (unsigned zone)

⏱️ Timing

Total: 937ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.140.64, 104.21.27.8
AAAA22606:4700:3033::6815:1b08, 2606:4700:3032::ac43:8c40
NS2autumn.ns.cloudflare.com, leonard.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1autumn.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cfdev.school directs to four IP numbers, which are 104.21.27.8, 172.67.140.64, 2606:4700:3032::ac43:8c40 and 2606:4700:3033::6815:1b08.

Other host names, for instance gokautomaten-retro.com, premium-angler-supplies.shop, nobira-xel.pro and two other share IP numbers with cfdev.school.

Name Servers

cfdev.school has two authoritative name servers — autumn.ns.cloudflare.com and leonard.ns.cloudflare.com.

cfdev.school shares the same name server setup with other domains, for instance watr.world, modern-crossfit-store.pages.dev, beast-playgame.com and two other.

cfdev.school at least partially shares name servers with other domains, for instance hytmk.tw, sdui04mn.workers.dev, museumdebrink.nl and two other.

These name servers are often used together with the name servers ullis.ns.cloudflare.com, susan.ns.cloudflare.com, dalary.ns.cloudflare.com and two other.

Hosts with 6 IP addresses each:

autumn.ns.cloudflare.com points to 108.162.194.148, 162.159.38.148, 172.64.34.148 and 3 other IP addresses.

leonard.ns.cloudflare.com points to 108.162.195.54, 162.159.44.54, 172.64.35.54 and 3 other IP addresses.