mail.studyguide.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

mail.studyguide.dev

DNSSEC⚠️ Not signed
A61.28.233.9🇻🇳 CMC-461.28.233.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi

studyguide.dev

DNSSEC⚠️ Not signed
A143.198.193.21🇸🇬 DIGITALOCEAN143.198.192.0/20 DigitalOcean
NSannalise.ns.cloudflare.com ⭐
NSdenver.ns.cloudflare.com
MXmail.studyguide.dev ⭐
MXmx1.onemail.vn(5)
MXmx2.onemail.vn(5)
MXmx3.onemail.vn(5)
TXTv=spf1 +mx +a +ip4:61.28.233.9 ~all
TXTv=spf1 include:_spf.onemail.vn ~all
TXTzalo-platform-site-verification=ODovUAJP2cH2zO5jmzq9EX_ZeYBpbNHwCpar
SOAannalise.ns.cloudflare.comdns@cloudflare.com serial=2413613955

MX for

studyguide.dev

Same first word

mail.gov.lv
mail.jetzt
mail.kh.ua
mail.info.tr
mail.ru
mail.myeffect.net
mail.pg.in
mail.myshopify.com
mail.123hjemmeside.dk
mail.gov.ps
mail.ml
mail.fo
mail.expert
mail.fyi
mail.mil.tm
mail.team
mail.com.ru
mail.tn
mail.serveftp.com
mail.by
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mail.virtualuser.de
mail.charity
mail.exchange
mail.live
mail.lk3.ru
mail.ownip.net
mail.capital
mail.ap.gov.br
mail.legal
mail.dp.ua
mail.myjino.ru
mail.amsterdam
mail.space
mail.net.ph
mail.rr.gov.br
mail.business
mail.read-books.org
mail.pt.eu.org
mail.ilovecollege.info
mail.gmx
mail.info.pl
mail.community
mail.cleaning
mail.bh
mail.lv.eu.org
mail.site
mail.select
mail.email
mail.blue
mail.st
mail.tools
mail.sy
mail.li
mail.rw
mail.vision
mail.sk
mail.at
mail.surf
mail.sd.cn
mail.gov.ge
mail.dating
mail.university
mail.travel
mail.td
mail.nr
mail.nrw
mail.xyz
mail.loginto.me
mail.quest
mail.kr.eu.org
mail.bio
mail.dk
mail.uzhhorod.ua
mail.main.jp
mail.graphics
mail.org.ph
mail.pl.eu.org
mail.lc
mail.city
mail.yt
mail.qa
mail.watch
mail.toys
mail.lomo.jp
mail.lu
mail.tel
mail.ws
mail.holiday
mail.zombie.jp
mail.ma
mail.mr
mail.gov.af
mail.hashbang.sh
mail.mil.ru
mail.ifm
mail.schwarz
mail.co.uk
mail.net.mk
mail.freedesktop.org

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acesso.studiocms.dev
client.studiomanagement.dev
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mail.studer.dev
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mx.studiomh.dev
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pen.studiocms.dev
postal.studioxp.dev
staging.studee.dev
www.studio73.dev

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DNS History

1 record (1 active, 0 former)

A61.28.233.9
●A61.28.233.92026-08-31 → 2026-09-03 · 2 obs
● 2026-08-31 02:06:46
● 2026-09-03 22:09:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
studyguide.devannalise.ns.cloudflare.com, denver.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.196

NS records: annalise.ns.cloudflare.com, denver.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyguide.dev (unsigned zone)

⏱️ Timing

Total: 515ms | Queries: -

📄 Records

TypeCountSample Data
A161.28.233.9

Analysis

Mail Server Role

The mail server mail.studyguide.dev processes email for studyguide.dev.

mx1.onemail.vn, mx2.onemail.vn and mx3.onemail.vn tend to be used as mail servers in tandem with mail.studyguide.dev.

IP Addresses

mail.studyguide.dev resolves to just one IP address, 61.28.233.9.

Other host names share IP numbers with mail.studyguide.dev; micol.com.vn is one such example.