info.studyplus.co.jp - dns.ninja

info.studyplus.co.jp

DNSSEC⚠️ Not signed
A153.127.97.184🇯🇵 SAKURA-A153.127.0.0/17 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTR184.97.127.153.static.www9456m.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
MXinfo.studyplus.co.jp ⭐
A153.127.97.184🇯🇵 SAKURA-A153.127.0.0/17 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTR184.97.127.153.static.www9456m.sakura.ne.jp
TXTv=spf1 a:www9456m.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2025-07-01 #15

studyplus.co.jp

DNSSEC⚠️ Not signed
NSns-735.awsdns-27.net ⭐
NSns-1488.awsdns-58.org
NSns-1885.awsdns-43.co.uk
NSns-247.awsdns-30.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXaspmx2.googlemail.com(10)
MXaspmx3.googlemail.com(10)
TXTgoogle-site-verification=2k-vo1F8CpIe2COAm0CUcE2teZoYGgTHjNIlE6C8c10
TXTgoogle-site-verification=A5CrV9w0cpRgyVa_UnJ8ZisMo6nw3GsbRYUnyYu8On0
TXTgoogle-site-verification=naLFlXBZ8Hrnau84WLI34dv5EJbtD_L_3zaeg_86qlc
TXTgoogle-site-verification=x2nc5eVdlPXfYSb2TP33XSJ4tl6ZBnC1TDZ5eUJ6qeo
SOAns-735.awsdns-27.netawsdns-hostmaster@amazon.com serial=1
rank #703994 globally
rank #14191 in the tld
📈 Tranco rank: #552,203

MX for

info.studyplus.co.jp

Same first word

info.gda.pl
info.s3-website.ap-northeast-2.amazonaws.com
info.github.io
info.place
info.bydgoszcz.pl
info.finance
info.im
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info.spb.ru
info.s3-website.us-east-2.amazonaws.com
info.blob.core.windows.net
info.sh
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info.s3-website-us-gov-west-1.amazonaws.com
info.nov.ru
info.sd.cn
info.mo
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info.s3-website-ap-northeast-1.amazonaws.com
info.how
info.hn
info.ae
info.eu.com
info.news
info.ws
info.ua
info.uk
info.gov.il
info.center
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info.swinoujscie.pl
info.gov.fj
info.cab
info.te.ua
info.co.za
info.s3-website.eu-west-1.amazonaws.com
info.in.ua
info.nl

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fino.ca

DNS History

8 records (5 active, 3 former)

20192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXinfo.studyplus.co.jpA153.127.97.18418.176.19.19818.177.1.12852.199.194.81
●NSmaster.dns.ne.jp2026-02-23 → 2026-08-01 · 2 obs
● 2026-02-23 16:38:18
● 2026-08-01 19:53:54
●NSns1.dns.ne.jp2026-02-23 → 2026-08-01 · 2 obs
● 2026-02-23 16:38:18
● 2026-08-01 19:53:54
●NSns2.dns.ne.jp2026-02-23 → 2026-08-01 · 2 obs
● 2026-02-23 16:38:18
● 2026-08-01 19:53:54
●MXinfo.studyplus.co.jp2026-02-23 → 2026-08-01 · 2 obs
● 2026-02-23 16:38:18
● 2026-08-01 19:53:54
●A153.127.97.1842026-02-23 → 2026-08-01 · 3 obs
○ 2020-02-21 22:35:06
● 2026-02-23 16:38:18
● 2026-08-01 19:53:54
○A18.176.19.1982020-02-05 → 2020-02-21 · 5 obs
○ 2018-05-11 17:04:16
● 2020-02-05 05:29:58
● 2020-02-21 22:35:06
○ 2026-02-23 16:38:18
○ 2026-08-01 19:53:54
○A18.177.1.1282020-02-05 → 2020-02-21 · 5 obs
○ 2018-05-11 17:04:16
● 2020-02-05 05:29:58
● 2020-02-21 22:35:06
○ 2026-02-23 16:38:18
○ 2026-08-01 19:53:54
○A52.199.194.812018-05-11 → 2018-05-11 · 3 obs
● 2018-05-11 17:04:16
○ 2020-02-05 05:29:58
○ 2026-08-01 19:53:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
studyplus.co.jpns-1885.awsdns-43.co.uk, ns-735.awsdns-27.net, ns-247.awsdns-30.com, ns-1488.awsdns-58.org-
info.studyplus.co.jpns1.dns.ne.jp, ns2.dns.ne.jp-

✅ Authoritative Response

Server:133.167.21.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyplus.co.jp (unsigned zone)

⏱️ Timing

Total: 4796ms | Queries: -

📄 Records

TypeCountSample Data
A1153.127.97.184
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1info.studyplus.co.jp (pri: 10)
TXT1v=spf1 a:www9456m.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

info.studyplus.co.jp serves as a mail server for info.studyplus.co.jp.

IP Addresses

info.studyplus.co.jp has exactly one IP address — 153.127.97.184.

184.97.127.153.static.www9456m.sakura.ne.jp is an example of another host name that shares IP numbers with info.studyplus.co.jp.

Name Servers

info.studyplus.co.jp has three name servers — master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

info.studyplus.co.jp partially shares its NS delegation with several other domains, including armz.org, mobile.to, kagaboucha.com and two others.

Each of the three hostnames points to exactly one IP address: master.dns.ne.jp points to 210.224.172.18, ns1.dns.ne.jp points to 61.211.236.1 and ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

info.studyplus.co.jp uses exactly one mail server, which is info.studyplus.co.jp.

info.studyplus.co.jp points to one IP number — 153.127.97.184.