studywork.jp - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

studywork.jp

DNSSEC⚠️ Not signed
A210.224.185.39🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2429.sakura.ne.jp
NSmaster.dns.ne.jp ⭐
A210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRmaster.dns.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRns1.dns.ne.jp
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRns2.dns.ne.jp
MXstudywork.jp ⭐
A210.224.185.39🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2429.sakura.ne.jp
TXTv=spf1 a:www2429.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2025-03-03 #1

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1794289503

MX for

studywork.jp

Same first word

studywork.website
studywork.pages.dev
studywork.co.uk
studywork.net
studywork.se
studywork.in
studywork.space
studywork.com
studywork.app
studywork.at
studywork.de
studywork.nl
studywork.eu
studywork.it
studywork.workers.dev
studywork.co.id
studywork.ai
studywork.ca
studywork.xyz
studywork.ph
studywork.fr
studywork.be
studywork.jp

Similar names

workstudy.info
workstudy.sk
workstudy.top
dustywork.com
workstudy.tv
workstudy.app
workstudy.org
workstudy.jp
workstudy.us
workstudy.ca
dustywork.xyz
workstudy.ro
workstudy.com
workstudy.pages.dev
dutyworks.nl
workstudy.online
workstudy.eu
workstudy.com.au
workstudy.net
workstudy.de
workstudy.cn
workstudy.co.uk
workstudy.uz
dutyworks.xyz
workstudy.com.cn
workdusty.xyz
dutyworks.com
workstudy.cz

Previous names

studytag.jp
studytech.jp
studytime.jp
studytogether.jp
studytour.jp
studytown.jp
studytracker.jp
studytree.jp
studytube.jp
studyu.jp
studyup.jp
studyus.jp
studyvalley.jp
studyverse.jp
studywalker.jp
studywars.jp
studyweb.jp
studywith.jp
studywiz.jp

Next names

studz.jp
stue.jp
stuff-c.jp
stuff.jp
stuffed-toys.jp
stuffed.jp
stuffhobbies.jp
stufsp.jp
stugk.jp
stujio.jp
stul.jp
stulab.jp
stulicos.jp
stulink.jp
stult.jp
stulz.jp
stumble.jp

DNS History

5 records (5 active, 0 former)

NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXstudywork.jpA210.224.185.39
●NSmaster.dns.ne.jp2026-10-08 → 2026-11-10 · 2 obs
● 2026-10-08 14:40:12
● 2026-11-10 06:39:32
●NSns1.dns.ne.jp2026-10-08 → 2026-11-10 · 2 obs
● 2026-10-08 14:40:12
● 2026-11-10 06:39:32
●NSns2.dns.ne.jp2026-10-08 → 2026-11-10 · 2 obs
● 2026-10-08 14:40:12
● 2026-11-10 06:39:32
●MXstudywork.jp2026-10-08 → 2026-11-10 · 2 obs
● 2026-10-08 14:40:12
● 2026-11-10 06:39:32
●A210.224.185.392026-10-08 → 2026-11-10 · 2 obs
● 2026-10-08 14:40:12
● 2026-11-10 06:39:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...15 records
studywork.jpns2.dns.ne.jp, ns1.dns.ne.jp2 records

✅ Authoritative Response

Server:61.211.236.1

NS records: ns2.dns.ne.jp, ns1.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studywork.jp (unsigned zone)

⏱️ Timing

Total: 1166ms | Queries: -

📄 Records

TypeCountSample Data
A1210.224.185.39
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1studywork.jp (pri: 10)
TXT1v=spf1 a:www2429.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 17

In-bailiwick: 15 (a.dns.jp, a.dns.jp, b.dns.jp...)

Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)

Analysis

Mail Server Role

studywork.jp handles its own mail, functioning as its own mail server.

IP Addresses

studywork.jp resolves to just one IP address, 210.224.185.39.

Two other host names, along with medicalsupplement.co.jp, y-shin.net and upthing.com, also share IP numbers with studywork.jp.

Name Servers

The authoritative name servers for studywork.jp are master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp — three in total.

studywork.jp shares at least some of its name servers with other domains, including sasj.org, ec-agent.com, with-kamakura-wedding.jp and two others.

The hostnames master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP: master.dns.ne.jp → 210.224.172.18, ns1.dns.ne.jp → 61.211.236.1, ns2.dns.ne.jp → 133.167.21.1.

Mail Servers

studywork.jp is served by just one mail server: studywork.jp.

studywork.jp directs to just one IP number, 210.224.185.39.