dev.schoo.jp - robtex.com

dev.schoo.jp

DNSSEC⚠️ Not signed
A13.226.144.27
PTRserver-13-226-144-27.lhr86.r.cloudfront.net
A13.226.144.47
A13.226.144.107
A13.226.144.118
NSns-1083.awsdns-07.org ⭐
A2600:9000:5304:3b00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront
PTRns-1083.awsdns-07.org
A205.251.196.59🇺🇸 Amazon205.251.196.0/24 prefix
PTRns-1083.awsdns-07.org
NSns-1666.awsdns-16.co.uk
A2600:9000:5306:8200::1🇺🇸 Amazon2600:9000:5306::/48 - CloudFront
PTRns-1666.awsdns-16.co.uk
A205.251.198.130🇺🇸 Amazon205.251.198.0/24 prefix
PTRns-1666.awsdns-16.co.uk
NSns-430.awsdns-53.com
A2600:9000:5301:ae00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-430.awsdns-53.com
A205.251.193.174🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-430.awsdns-53.com
NSns-708.awsdns-24.net
A2600:9000:5302:c400::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-708.awsdns-24.net
A205.251.194.196🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-708.awsdns-24.net
MXsmtp.dev.schoo.jp ⭐
SOAns-1083.awsdns-07.orgawsdns-hostmaster@amazon.com serial=1

schoo.jp

DNSSEC⚠️ Not signed
A13.226.238.23🇺🇸 Amazon13.226.232.0/21 - Cloudfront
A13.226.238.85🇺🇸 Amazon13.226.232.0/21 - Cloudfront
A13.226.238.112🇺🇸 Amazon13.226.232.0/21 - Cloudfront
A13.226.238.117🇺🇸 Amazon13.226.232.0/21 - Cloudfront
NSns-119.awsdns-14.com ⭐
NSns-1196.awsdns-21.org
NSns-1808.awsdns-34.co.uk
NSns-985.awsdns-59.net
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
TXTMS=5C876A8D9EC238D49C302792FBC8348A77460A9D
TXTMS=ms67618874
TXTgoogle-site-verification=Jc0akraC6zEgvx9i4-QtwZiP14kqxbgVy1lqmWPXLeY
TXTgoogle-site-verification=QpgegbWRffoyP34BbVTALu6R3RJ0VXdbg9PWeDGxX4M
TXTgoogle-site-verification=egyW375cxEVqWKb_Y7CWTdcvsb4ldaKQnAwpW-yq4ws
TXTgoogle-site-verification=h2sFAaNVrWsgfZM1jOGo7tJdzt2lqF7ZyShzopho89M
TXTstripe-verification=ab57228487104bc54b43f116f6a3a7cfc30a82d19b54afc3b9cea7bc8...
TXTv=spf1 +ip4:54.199.182.105 +ip4:182.161.76.48 +ip4:54.199.186.64 +ip4:209.85....
SOAns-119.awsdns-14.comawsdns-hostmaster@amazon.com serial=2
rank #68816 globally
rank #1281 in the tld
📈 Tranco rank: #180,144

Subdomains

biz.dev.schoo.jp

Same first word

dev.sap
dev.id
dev.fi
dev.ir
dev.video
dev.capital
dev.net.cn
dev.pt
dev.tv
dev.dating
dev.net.in
dev.ai
dev.my
dev.jp
dev.idv.tw
dev.media
dev.fun
dev.dog
dev.tm
dev.sarl
dev.life
dev.com.co
dev.si
dev.s3-eu-west-1.amazonaws.com
dev.services
dev.digital
dev.bet
dev.co.uk
dev.moe
dev.cm
dev.ma
dev.pro
dev.kr
dev.sg
dev.pizza
dev.it
dev.www.ro
dev.bg
dev.one
dev.mock.pstmn.io
dev.md
dev.tc
dev.trade
dev.ci
dev.bzh
dev.ba
dev.by
dev.xyz
dev.community
dev.al
dev.finance
dev.ne.jp
dev.sale
dev.wpdevcloud.com
dev.uk
dev.city
dev.rs
dev.lighting
dev.town
dev.vn
dev.kz
dev.uz
dev.lu
dev.events
dev.shiksha
dev.idf.il
dev.rt.ht
dev.gold
dev.co.id
dev.ad
dev.space
dev.international
dev.myftp.org
dev.med
dev.wiki
dev.dn.ua
dev.s3-us-west-2.amazonaws.com
dev.aws
dev.cd
dev.cy
dev.hm
dev.live
dev.ws
dev.ca
dev.no
dev.awsapps.com
dev.biz
dev.ltd
dev.education
dev.web.id
dev.cz
dev.exchange
dev.host
dev.work
dev.black
dev.sa
dev.mine.nu
dev.com.jo
dev.lc
dev.myshopify.com
dev.adobeaemcloud.com
dev.kitchen
dev.ss
dev.tn
dev.server-on.net
dev.hu
dev.xnbay.com
dev.dk
dev.org.pk
dev.domains
dev.ml
dev.family
dev.org
dev.site
dev.marketing
dev.net
dev.agency
dev.jobs
dev.fitness
dev.com
dev.vip
dev.cam
dev.tools
dev.bo
dev.bio
dev.lt
dev.krd
dev.chat
dev.org.tr
dev.company
dev.management
dev.s3.amazonaws.com
dev.qa
dev.mx
dev.co
dev.dojin.com
dev.express
dev.co.il
dev.fail
dev.band
dev.fm
dev.edgesuite.net
dev.directory
dev.re
dev.coffee
dev.sh
dev.tw
dev.mo.cn
dev.business
dev.rw

Similar names

vde.email
ved.guru
ved.ch
edv.be
dve.kz
edv.st
evd.me
ved.pl
edv.me
ved.com.cn
edv.cz
ved.io
vde.enterprises
dve.ru
dve.si
vde.us
edv.to
evd.mobi
edv.org.tr
evd.es
evd.org
ved.life
ved.in
vde.com.ua
ved.ro
dev.rip
dev.be
dev.estate
dev.tl
evd.ch
edv.hn
evd.org.cn
dev.com.ua
dev.su
dev.pe
dve.at
dev.pink
dev.to
vde.com.mx
edv.eu
vde.it
dve.be
dev.report
edv.hu
dev.ls
dev.org.es
dve.by
edv.expert
dve.one
dev.coupons
dev.ms
dev.com.bo
vde.co.za
dev.ch
dev.run
dve.es
vde.dk
dev.vc
dev.us
dve.vn
evd.net
dev.zip
edv.com.bo
evd.com.my
ved.at
edv.info
dev.fish
ved.kiev.ua

DNS History

29 records (9 active, 20 former)

NSns-1083.awsdns-07.orgns-1666.awsdns-16.co.ukns-430.awsdns-53.comns-708.awsdns-24.netMXsmtp.dev.schoo.jpA13.226.144.10713.226.144.11813.226.144.2713.226.144.4718.160.18.11618.160.18.3718.160.18.618.160.18.7818.164.116.1318.164.116.1818.164.116.2018.164.116.53216.137.39.16216.137.39.18216.137.39.29216.137.39.963.167.37.243.167.37.543.167.37.573.167.37.7054.230.114.11254.230.114.11654.230.114.6054.230.114.79
●NSns-1083.awsdns-07.org2026-02-18 → 2026-03-23 · 2 obs
● 2026-02-18 16:45:16
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●NSns-1666.awsdns-16.co.uk2026-02-18 → 2026-03-23 · 2 obs
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●NSns-430.awsdns-53.com2026-02-18 → 2026-03-23 · 2 obs
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●NSns-708.awsdns-24.net2026-02-18 → 2026-03-23 · 2 obs
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●MXsmtp.dev.schoo.jp2026-02-18 → 2026-03-23 · 2 obs
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●A13.226.144.1072026-02-18 → 2026-03-23 · 60 obs
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●A13.226.144.1182026-02-18 → 2026-03-23 · 60 obs
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●A13.226.144.272026-02-18 → 2026-03-23 · 60 obs
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●A13.226.144.472026-02-18 → 2026-03-23 · 60 obs
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○A18.160.18.1162026-02-23 → 2026-03-22 · 56 obs
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○A18.160.18.372026-02-23 → 2026-03-22 · 56 obs
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○A18.160.18.62026-02-23 → 2026-03-22 · 56 obs
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○A18.160.18.782026-02-23 → 2026-03-22 · 56 obs
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○A18.164.116.132026-03-22 → 2026-03-22 · 4 obs
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○A18.164.116.182026-03-22 → 2026-03-22 · 4 obs
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○A18.164.116.202026-03-22 → 2026-03-22 · 4 obs
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○A18.164.116.532026-03-22 → 2026-03-22 · 4 obs
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○A216.137.39.162026-02-18 → 2026-03-16 · 38 obs
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○A216.137.39.182026-02-18 → 2026-03-16 · 38 obs
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○A216.137.39.292026-02-18 → 2026-03-16 · 38 obs
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○A216.137.39.962026-02-18 → 2026-03-16 · 38 obs
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○A3.167.37.242026-03-15 → 2026-03-15 · 5 obs
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○A3.167.37.542026-03-15 → 2026-03-15 · 5 obs
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○A3.167.37.572026-03-15 → 2026-03-15 · 5 obs
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○A3.167.37.702026-03-15 → 2026-03-15 · 5 obs
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○A54.230.114.1122026-03-22 → 2026-03-22 · 4 obs
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○A54.230.114.1162026-03-22 → 2026-03-22 · 4 obs
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○A54.230.114.602026-03-22 → 2026-03-22 · 4 obs
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○A54.230.114.792026-03-22 → 2026-03-22 · 4 obs
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🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
schoo.jpns-119.awsdns-14.com, ns-1808.awsdns-34.co.uk, ns-985.awsdns-59.net, ns-1196.awsdns-21.org-
dev.schoo.jpns-1083.awsdns-07.org, ns-1666.awsdns-16.co.uk, ns-430.awsdns-53.com, ns-708.awsdns-24.net-

✅ Authoritative Response

Server:205.251.196.59

NS records: ns-1083.awsdns-07.org, ns-1666.awsdns-16.co.uk, ns-430.awsdns-53.com, ns-708.awsdns-24.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for schoo.jp (unsigned zone)

⏱️ Timing

Total: 2636ms | Queries: -

📄 Records

TypeCountSample Data
A418.160.18.37, 18.160.18.6...
NS4ns-1083.awsdns-07.org, ns-1666.awsdns-16.co.uk...
MX1smtp.dev.schoo.jp (pri: 10)
SOA1ns-1083.awsdns-07.org awsdns-hostmaster.

Analysis

Hierarchy

dev.schoo.jp is a parent of biz.dev.schoo.jp.

IP Addresses

dev.schoo.jp points to four IP numbers: 13.226.144.27, 13.226.144.47, 13.226.144.107 and 13.226.144.118.

Other host names, for instance colonialvillage.flowers, webinar.shawacademy.com, d3p6xjscibnluc.cloudfront.net, cache.aif-b.m2.cilite.docomo.ne.jp and cdn.tavex.se share IP numbers with dev.schoo.jp.

Name Servers

dev.schoo.jp is delegated to four name servers: ns-430.awsdns-53.com, ns-708.awsdns-24.net, ns-1083.awsdns-07.org and ns-1666.awsdns-16.co.uk.

dev.schoo.jp at least partially shares name servers with other domains, for instance emergyalabs.com, calculators.net, krungthep-thai.com, thefinancegroup.org and otomoto-profi.com.

these name servers are commonly used with ns-100.awsdns-12.com, ns-1444.awsdns-52.org and ns-1697.awsdns-20.co.uk.

Host names with two IP numbers:

ns-430.awsdns-53.com points to: 2600:9000:5301:ae00::1 and 205.251.193.174.

ns-708.awsdns-24.net points to: 2600:9000:5302:c400::1 and 205.251.194.196.

ns-1083.awsdns-07.org points to: 2600:9000:5304:3b00::1 and 205.251.196.59.

ns-1666.awsdns-16.co.uk points to: 2600:9000:5306:8200::1 and 205.251.198.130.

Mail Servers

dev.schoo.jp is handled by a single mail server, smtp.dev.schoo.jp.