dotstudy.jp - dns.ninja

dotstudy.jp

DNSSEC⚠️ Not signed
A160.251.151.114🇯🇵 GMOOSK-NET160.251.151.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRs287.xrea.com
NSns1.value-domain.com ⭐
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.value-domain.com
A172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns3.value-domain.com ⚠️ Not in zone NS records
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXdotstudy.jp ⭐
A160.251.151.114🇯🇵 GMOOSK-NET160.251.151.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRs287.xrea.com
TXTv=spf1 ip4:160.251.151.114 include:mxr.valueserver.jp -all
SOAns1.value-domain.comhostmaster@dotstudy.jp 2026-01-06 #17

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=1782624603

MX for

dotstudy.jp

Subdomains

m1.dotstudy.jp

Same first word

dotstudy.jp

Similar names

studydot.com

DNS History

6 records (5 active, 1 former)

20162017201820192020202120222023202420252026NSns1.value-domain.comns2.value-domain.comns3.value-domain.comMXdotstudy.jpm1.dotstudy.jpA160.251.151.114
●NSns1.value-domain.com2015-07-07 → 2026-06-28 · 2 obs
● 2015-07-07 23:37:06
● 2026-06-28 05:34:04
●NSns2.value-domain.com2015-07-07 → 2026-06-28 · 2 obs
● 2015-07-07 23:37:06
● 2026-06-28 05:34:04
●NSns3.value-domain.com2026-04-09 → 2026-06-28 · 3 obs
○ 2015-07-07 23:37:06
● 2026-04-09 18:47:44
● 2026-06-28 05:34:04
●MXdotstudy.jp2026-04-09 → 2026-06-28 · 3 obs
○ 2018-06-02 07:54:12
● 2026-04-09 18:47:44
● 2026-06-28 05:34:04
○MXm1.dotstudy.jp2015-07-07 → 2018-06-02 · 4 obs
● 2015-07-07 23:37:06
● 2018-06-02 07:54:12
○ 2026-04-09 18:47:44
○ 2026-06-28 05:34:04
●A160.251.151.1142026-04-09 → 2026-06-28 · 2 obs
● 2026-04-09 18:47:44
● 2026-06-28 05:34:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
dotstudy.jpns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com-

✅ Authoritative Response

Server:172.64.52.38

NS records: ns1.value-domain.com, ns2.value-domain.com, ns3.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dotstudy.jp (unsigned zone)

⏱️ Timing

Total: 1130ms | Queries: -

📄 Records

TypeCountSample Data
A1160.251.151.114
NS2ns2.value-domain.com, ns1.value-domain.com
MX1dotstudy.jp (pri: 10)
TXT1v=spf1 ip4:160.251.151.114 include:mxr.v
SOA1ns1.value-domain.com hostmaster.dotstudy

Analysis

Hierarchy

m1.dotstudy.jp is a subdomain of dotstudy.jp.

Mail Server Role

dotstudy.jp acts as its own mail server.

IP Addresses

dotstudy.jp points to a single IP number: 160.251.151.114.

Additional host names — mail.cafe-prado.jp, xn--x-3euthyaf2i.com, m1.dotstudy.jp and two others — share IP numbers with dotstudy.jp.

Name Servers

dotstudy.jp is served by three name servers: ns1.value-domain.com, ns2.value-domain.com and ns3.value-domain.com.

The name servers of dotstudy.jp overlap at least partially with those of other domains — among them nakahara.co.jp, strawberry879.com, siemple.link and two more.

These name servers are frequently paired with the name servers ns4.value-domain.com, ns5.value-domain.com, ns11.value-domain.com and two others.

ns1.value-domain.com, ns2.value-domain.com and ns3.value-domain.com each resolve to a single IP address: ns1.value-domain.com resolves to 172.64.52.38, ns2.value-domain.com resolves to 172.64.53.3 and ns3.value-domain.com resolves to 172.64.52.38.

ns1.value-domain.com and ns3.value-domain.com each have 172.64.52.38 IP addresses.

Mail Servers

dotstudy.jp has a single mail server: dotstudy.jp itself.

dotstudy.jp resolves to 160.251.151.114 and no other IP number.