mx.studyn.jp - dns.ninja

`mx.studyn.jp`

DNSSEC	⚠️ Not signed
A	54.199.192.230^{🇯🇵 Amazon54.199.128.0/17 EC2 NRT Prefix}
		PTR	`ec2-54-199-192-230.ap-northeast-1.compute.amazonaws.com`

`studyn.jp`

	DNSSEC	⚠️ Not signed
	A	13.196.51.12^{🇺🇸 Amazon13.192.0.0/13}
	A	52.196.26.182^{🇯🇵 Amazon52.196.0.0/14 EC2 NRT prefix}
	NS	`ns-1858.awsdns-40.co.uk` ⭐
	NS	`ns-1244.awsdns-27.org`
	NS	`ns-599.awsdns-10.net`
	NS	`ns-92.awsdns-11.com`
	MX	`e-vision.sakura.ne.jp` ⭐
	TXT	`v=spf1 a:www3173.sakura.ne.jp a:e-vision.sakura.ne.jp include:sendgrid.net ip...`
	SOA	`ns-1858.awsdns-40.co.uk`awsdns-hostmaster@amazon.com serial=1

Previously MX for

studyn.jp

Same first word

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mx.dk

mx.mil.lv

mx.is

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mx.co.at

mx.ua

mx.csb.app

mx.au

mx.go.gov.br

mx.com.mx

mx.dev

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mx.cl

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mx.main.jp

mx.bplaced.net

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mx.vg

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mx.cloudaccess.net

mx.s3-us-west-1.amazonaws.com

mx.gs

mx.global.prod.fastly.net

mx.email

mx.com.pt

mx.ru

mx.services

mx.pl

mx.ht

mx.uk

mx.no

mx.cloud.nospamproxy.com

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mx.vc

mx.cloudflare.net

mx.ws

mx.plus

mx.zone

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mx.tn

mx.mk

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mx.kh.ua

mx.md

mx.to

mx.cm

mx.graphics

mx.cx

mx.support

mx.myftp.org

mx.duckdns.org

mx.kinghost.net

mx.gouv.ci

mx.money

mx.kasserver.com

mx.com.ar

mx.sytes.net

mx.center

mx.withyoutube.com

mx.mba

mx.co.uk

mx.s3-website-eu-west-1.amazonaws.com

mx.s3-website-us-east-1.amazonaws.com

mx.design

mx.s3-website-us-west-1.amazonaws.com

mx.msk.ru

mx.scrapping.cc

mx.tv

mx.casino

mx.ma

mx.dyndns.org

mx.sh

mx.ax

mx.lv

mx.abbott

mx.or.at

mx.cn

mx.servebbs.org

mx.tc

mx.microsoft

mx.ph

mx.com.tr

mx.be

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xm.world

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DNS History

1 record (1 active, 0 former)

●A54.199.192.2302026-03-14 → 2026-07-12 · 2 obs

● 2026-03-14 03:05:00
● 2026-07-12 12:15:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	g.dns.jp, f.dns.jp, a.dns.jp, b.dns.jp...	-
studyn.jp	ns-1858.awsdns-40.co.uk, ns-599.awsdns-10.net, ns-92.awsdns-11.com, ns-1244.awsdns-27.org	-

✅ Authoritative Response

Server:205.251.192.92

NS records: ns-1858.awsdns-40.co.uk, ns-599.awsdns-10.net, ns-92.awsdns-11.com, ns-1244.awsdns-27.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyn.jp (unsigned zone)

⏱️ Timing

Total: 1560ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.199.192.230`

Analysis

IP Addresses

mx.studyn.jp has exactly one IP address — 54.199.192.230.

Other host names, such as ec2-54-199-192-230.ap-northeast-1.compute.amazonaws.com, share IP numbers with mx.studyn.jp.