smart.study - dns.ninja

smart.study

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:b2c7🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:383d🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.56.61Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.178.199🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdavid.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b98🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdavid.ns.cloudflare.com
A2803:f800:50::6ca2:c198🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdavid.ns.cloudflare.com
A2a06:98c1:50::ac40:2198🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdavid.ns.cloudflare.com
A108.162.193.152🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdavid.ns.cloudflare.com
A172.64.33.152🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdavid.ns.cloudflare.com
A173.245.59.152🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdavid.ns.cloudflare.com
NSlinda.ns.cloudflare.com
A2606:4700:50::adf5:3afa🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlinda.ns.cloudflare.com
A2803:f800:50::6ca2:c0fa🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlinda.ns.cloudflare.com
A2a06:98c1:50::ac40:20fa🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlinda.ns.cloudflare.com
A108.162.192.250🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlinda.ns.cloudflare.com
A172.64.32.250🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlinda.ns.cloudflare.com
A173.245.58.250🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlinda.ns.cloudflare.com
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.21.56.61, 172.67.178.199
IPv6 hints2606:4700:3030::ac43:b2c7, 2606:4700:3035::6815:383d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=99, name=cloudflare-ech.com
SOAdavid.ns.cloudflare.comdns@cloudflare.com serial=2410180468

study

DNSSEC🔒 Signed (DS record present)
NSa.nic.study ⭐
NSb.nic.study
NSc.nic.study
NSx.nic.study
NSy.nic.study
NSz.nic.study
SOAa.nic.studyadmin@tldns.godaddy serial=1786171003

Subdomains

www.smart.study

Same first word

smart.builders
smart.com.sd
smart.co.ke
smart.sklep.pl
smart.glass
smart.cc
smart.coach
smart.com.ro
smart.insure
smart.co.id
smart.com.mo
smart.cz
smart.st
smart.co.za
smart.cr
smart.ae
smart.properties
smart.sn
smart.com.pt
smart.de
smart.com.hn
smart.gov
smart.bargains
smart.si
smart.gifts
smart.ph
smart.be
smart.tv.br
smart.co.bi
smart.mg
smart.pt
smart.co.th
smart.is
smart.fm
smart.exchange
smart.sk
smart.bio
smart.software
smart.cash
smart.tn
smart.ne.jp
smart.com.vi
smart.az
smart.ba
smart.et
smart.net.ly
smart.gov.pl
smart.app
smart.lublin.pl
smart.us
smart.gr
smart.lviv.ua
smart.lu
smart.net.br
smart.auto
smart.rw
smart.com.sn
smart.io.vn
smart.healthcare
smart.legal
smart.deals
smart.coop
smart.af
smart.ga
smart.com.pe
smart.versicherung
smart.link
smart.com.gp
smart.frl
smart.ch
smart.tl
smart.cn
smart.mu
smart.it
smart.mk.ua
smart.study
smart.tg
smart.edu.rs
smart.lease
smart.nl
smart.net.mx
smart.yokohama
smart.co
smart.sch.id
smart.net.ph
smart.com.ar
smart.ws
smart.agency
smart.sumy.ua
smart.click
smart.partners
smart.com.ph
smart.com.tn
smart.com.tt
smart.net.pl
smart.town
smart.log.br
smart.bz
smart.li
smart.kz
smart.co.jp
smart.ltd
smart.com.br
smart.km.ua
smart.uk.com
smart.net.au
smart.or.at
smart.reviews
smart.im
smart.pl
smart.gy
smart.ly
smart.ci
smart.pink
smart.net
smart.me
smart.sa
smart.com.mu
smart.com.mt

Similar names

smart.shopping
marts.net
smart.fi
astrm.me
smart.furniture
arstm.ru
amrts.com
marts.app
smart.com.mx
smart.org.cn
smart.by
smart.build
smart.in
smart.no-ip.biz
tmrsa.ch
smart.eu
trams.de
smart.dk
smart.edu.co
mstar.pro
artsm.net
smart.am
samrt.com.ph
stmar.co.uk
msart.jp
smart.adm.br
smart.waw.pl
smart.pr
smart.to
tarms.net
trams.bc.ca
asmrt.com
masrt.cz
smart.kg
smart.ee
rtams.org
msart.de
marts.co
tsarm.ru
smart.digital
smart.black
smart.edu.vn
smart.su
smart.rodeo
masrt.com
mstra.biz
smart.ua
smart.biz.pl
smart.lv
smart.gov.mn
mstar.cn
marts.asia
rsmta.it
stmar.ru
asrtm.com
artms.ca
astrm.online
smrat.net
smart.al
arstm.ci
rsmat.com
smart.network
trams.org.nz
smart.team
rsmta.com
smart.rs
smart.arq.br
mstar.ca
matrs.ru
smart.com.au
artms.cn
mtars.org
smart.money
stmar.com
trams.com
smart.car
marst.com
tasmr.com
smart.ps
mstar.com.cn
trams.co.za
starm.ru
trams.ch
smart.ru
smart.net.pk
artms.co
smart.com.gi
mrtsa.com
smart.sm
mstar.dk
mstar.ro
mastr.sk
smart.md
mstar.de
marts.pro
mtsar.com
artsm.cn
smart.vet
astrm.ch
smart.ac.kr

DNS History

17 records (6 active, 11 former)

201820192020202120222023202420252026NSdavid.ns.cloudflare.comlinda.ns.cloudflare.comns51.domaincontrol.comns52.domaincontrol.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comA104.21.56.61172.67.178.1992606:4700:3030::ac43:b2c72606:4700:3035::6815:383d169.54.44.1382606:4700:3030::6815:383d2606:4700:3036::ac43:b2c752.3.196.81
●NSdavid.ns.cloudflare.com2026-02-24 → 2026-08-08 · 3 obs
○ 2017-11-27 15:11:12
● 2026-02-24 06:39:28
● 2026-08-08 07:12:04
●NSlinda.ns.cloudflare.com2026-02-24 → 2026-08-08 · 3 obs
○ 2017-11-27 15:11:12
● 2026-02-24 06:39:28
● 2026-08-08 07:12:04
○NSns51.domaincontrol.com2017-05-07 → 2017-11-27 · 4 obs
● 2017-05-07 15:42:48
● 2017-11-27 15:11:12
○ 2026-02-24 06:39:28
○ 2026-08-08 07:12:04
○NSns52.domaincontrol.com2017-05-07 → 2017-11-27 · 4 obs
● 2017-05-07 15:42:48
● 2017-11-27 15:11:12
○ 2026-02-24 06:39:28
○ 2026-08-08 07:12:04
○MXalt1.aspmx.l.google.com2017-05-07 → 2017-11-27 · 4 obs
● 2017-05-07 15:42:48
● 2017-11-27 15:11:12
○ 2026-02-24 06:39:28
○ 2026-08-08 07:12:04
○MXalt2.aspmx.l.google.com2017-05-07 → 2017-11-27 · 4 obs
● 2017-05-07 15:42:48
● 2017-11-27 15:11:12
○ 2026-02-24 06:39:28
○ 2026-08-08 07:12:04
○MXaspmx.l.google.com2017-05-07 → 2017-11-27 · 4 obs
● 2017-05-07 15:42:48
● 2017-11-27 15:11:12
○ 2026-02-24 06:39:28
○ 2026-08-08 07:12:04
○MXaspmx2.googlemail.com2017-05-07 → 2017-11-27 · 4 obs
● 2017-05-07 15:42:48
● 2017-11-27 15:11:12
○ 2026-02-24 06:39:28
○ 2026-08-08 07:12:04
○MXaspmx3.googlemail.com2017-05-07 → 2017-11-27 · 4 obs
● 2017-05-07 15:42:48
● 2017-11-27 15:11:12
○ 2026-02-24 06:39:28
○ 2026-08-08 07:12:04
●A104.21.56.612026-02-24 → 2026-08-08 · 3 obs
○ 2017-11-27 15:11:12
● 2026-02-24 06:39:28
● 2026-08-08 07:12:04
○A169.54.44.1382017-05-07 → 2017-05-07 · 3 obs
● 2017-05-07 15:42:48
○ 2017-11-27 15:11:12
○ 2026-08-08 07:12:04
●A172.67.178.1992026-02-24 → 2026-08-08 · 3 obs
○ 2017-11-27 15:11:12
● 2026-02-24 06:39:28
● 2026-08-08 07:12:04
○A2606:4700:3030::6815:383d2026-02-24 → 2026-02-24 · 4 obs
○ 2017-11-27 15:11:12
● 2026-02-24 06:39:28
○ 2026-07-04 06:30:08
○ 2026-08-08 07:12:04
●A2606:4700:3030::ac43:b2c72026-07-04 → 2026-08-08 · 3 obs
○ 2026-02-24 06:39:28
● 2026-07-04 06:30:08
● 2026-08-08 07:12:04
●A2606:4700:3035::6815:383d2026-07-04 → 2026-08-08 · 3 obs
○ 2026-02-24 06:39:28
● 2026-07-04 06:30:08
● 2026-08-08 07:12:04
○A2606:4700:3036::ac43:b2c72026-02-24 → 2026-02-24 · 4 obs
○ 2017-11-27 15:11:12
● 2026-02-24 06:39:28
○ 2026-07-04 06:30:08
○ 2026-08-08 07:12:04
○A52.3.196.812017-11-27 → 2017-11-27 · 4 obs
○ 2017-05-07 15:42:48
● 2017-11-27 15:11:12
○ 2026-02-24 06:39:28
○ 2026-08-08 07:12:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
studya.nic.study, b.nic.study, c.nic.study, x.nic.study...12 records
smart.studydavid.ns.cloudflare.com, linda.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.250

NS records: david.ns.cloudflare.com, linda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smart.study (unsigned zone)

⏱️ Timing

Total: 426ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.56.61, 172.67.178.199
AAAA22606:4700:3030::ac43:b2c7, 2606:4700:3035::6815:383d
NS2david.ns.cloudflare.com, linda.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1david.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.study, b.nic.study, c.nic.study...)

Analysis

Hierarchy

smart.study is a parent domain of www.smart.study.

IP Addresses

smart.study resolves to four IP addresses: 104.21.56.61, 172.67.178.199, 2606:4700:3030::ac43:b2c7 and 2606:4700:3035::6815:383d.

framgangsakademin.se, 1tct.net, www.cliniquedusoufflelasolane.fr and two other host names share IP numbers with smart.study.

Name Servers

The NS records for smart.study delegate to david.ns.cloudflare.com and linda.ns.cloudflare.com.

smart.study uses the same name servers as several other domains — among them justsome(0x706f726e).com, termeleonardo.it, languagetrainers.co.uk and two more.

smart.study shares at least some of its name servers with other domains, including quantiam.com, kralbet2263.cam, zonetacts.com and two others.

These name servers are frequently seen alongside jarred.ns.cloudflare.com, trevor.ns.cloudflare.com, marty.ns.cloudflare.com and 3 other name servers.

Hostnames that resolve to 6 IP addresses:

david.ns.cloudflare.com maps to 108.162.193.152, 172.64.33.152, 173.245.59.152 and 3 additional IP addresses.

linda.ns.cloudflare.com maps to 108.162.192.250, 172.64.32.250, 173.245.58.250 and 3 additional IP addresses.