bos.edu.vn - robtex.com

bos.edu.vn

DNSSEC⚠️ Not signed
A103.57.222.17🇻🇳 VNPT-AS-VN103.57.220.0/22 INET-VN
PTRnethost-1911.inet.vn
NSns1.zonedns.vn ⭐
A2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix
A64.176.84.220🇸🇬 AS-VULTR64.176.80.0/20 Vultr Assigned Prefix
PTRns1.zonedns.vn
NSns2.zonedns.vn
A2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix
A103.176.178.51🇻🇳 NHAN-HOA-AS-VN103.176.178.0/24 NINETECH-VN
NSns3.zonedns.vn
A2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN
A103.28.36.30🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN
NSns4.zonedns.vn
A2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN
A103.28.39.159🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN
MXmail92139.maychuemail.com ⭐
A2406:9c80::9000:1206🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRmail92139.maychuemail.com
A112.213.92.139🇻🇳 SUPERDATA112.213.92.0/24 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
PTRmail92139.maychuemail.com
MXsmtp.google.com ⭐
A2607:f8b0:4023:c03::1a🇺🇸 Google2607:f8b0::/32
PTRdy-in-f26.1e100.net
A2607:f8b0:4023:c03::1b🇺🇸 Google2607:f8b0::/32
PTRdy-in-f27.1e100.net
A2607:f8b0:4023:c0d::1a🇺🇸 Google2607:f8b0::/32
PTRdl-in-f26.1e100.net
A2607:f8b0:4023:c0d::1b🇺🇸 Google2607:f8b0::/32
PTRdl-in-f27.1e100.net
A74.125.137.26🇺🇸 Google74.125.137.0/24
PTRdy-in-f26.1e100.net
A74.125.137.27🇺🇸 Google74.125.137.0/24
PTRdy-in-f27.1e100.net
A142.250.101.26🇺🇸 Google142.250.101.0/24
PTRdz-in-f26.1e100.net
A142.251.2.26🇺🇸 Google142.251.2.0/24
PTRdl-in-f26.1e100.net
A142.251.2.27🇺🇸 Google142.251.2.0/24
PTRdl-in-f27.1e100.net
MXmx92139.maychuemail.net(10)
A112.213.92.139🇻🇳 SUPERDATA112.213.92.0/24 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
PTRmail92139.maychuemail.com
TXTgoogle-site-verification=iB6UlZE1I4vBjAyek37dLChyGBKBdEZ8Lah8BtM0h28
TXTfacebook-domain-verification=l16rvmqf46sozuvfa7oquf1khvw7up
TXTv=spf1 include:spf.maychuemail.com -all
TXTzalo-platform-site-verification=KuwN8jYJ7HHUvv8kh_0P8d_HeYkJhdLtC38
TXTgoogle-site-verification=CGoD7qvT9jsyAU1afZhXi6kacim2vm4fN7lLBjRTc7M
SOAns1.zonedns.vnroot@bos.edu.vn 2025-08-14 #4

edu.vn

DNSSEC⚠️ Not signed
NSdns-master.vnnic.vn ⭐
NSa.dns-servers.vn ⚠️ Not in parent delegation
NSb.dns-servers.vn ⚠️ Not in parent delegation
NSc.dns-servers.vn ⚠️ Not in parent delegation
NSd.dns-servers.vn ⚠️ Not in parent delegation
NSe.dns-servers.vn ⚠️ Not in parent delegation
NSf.dns-servers.vn ⚠️ Not in parent delegation
NSg.dns-servers.vn ⚠️ Not in parent delegation
NSh.dns-servers.vn ⚠️ Not in parent delegation
SOAdns-master.vnnic.vnpostmaster@vnnic.vn serial=2018564639

Subdomains

qttc.bos.edu.vn
ceo.bos.edu.vn
taichinhketoan.bos.edu.vn
nhansu.bos.edu.vn
ceoquantri.bos.edu.vn
tuvandoanhnghiep.bos.edu.vn

Same first word

bos.googleapis.com
bos.no
bos.at
bos.co
bos.ie
bos.xyz
bos.eu
bos.miami
bos.jp
bos.kr
bos.vn
bos.com.pl
bos.si
bos.pl
bos.web.id
bos.be
bos.net.au
bos.blue
bos.pt
bos.fm
bos.com.cn
bos.gl
bos.dev
bos.run
bos.nl
bos.tc
bos.edu.vn
bos.jpn.com
bos.com.vn
bos.lu
bos.az
bos.me
bos.io
bos.im
bos.ch
bos.ru
bos.biz
bos.uk.com
bos.one
bos.ca
bos.guru
bos.center
bos.la
bos.pw
bos.org.br
bos.international
bos.co.zw
bos.co.nz
bos.net
bos.com.ph
bos.com.pk
bos.lt
bos.gov.ls
bos.dk
bos.email
bos.mx
bos.best
bos.com.do
bos.ci
bos.es
bos.in
bos.org.rs
bos.com.mx
bos.us
bos.com.br
bos.wiki
bos.kz
bos.nu
bos.rs
bos.com.au
bos.fi
bos.org.uk
bos.site
bos.nsw.edu.au
bos.de
bos.cz
bos.ge
bos.com
bos.boutique
bos.my
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bos.theater
bos.codes
bos.cl
bos.edu.az
bos.sakura.ne.jp
bos.hk
bos.lv
bos.live
bos.red
bos.al
bos.bg
bos.ro
bos.so
bos.army
bos.ma

Similar names

osb.dk
obs.asia
osb.se
obs.cn
obs.nl
obs.no
obs.by
obs.us
bso.one
sbo.com.au
obs.com
bso.com.lb
osb.co.nz
sbo.pl
obs.ba
sbo.hr
bso.in
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osb.es
sbo.com.mx
obs.pub
bso.net.au
osb.de
osb.edu.in
obs.com.pk
osb.com.br
bso.com.br
osb.org
sbo.ag
osb.be
sbo.co.jp
osb.org.rs
bso.co.nz
obs.org.br
osb.ca
sob.co.jp
bso.com
osb.pf
sbo.tech
obs.camera
sbo.es
obs.goip.de
sob.od.ua
bso.ch
obs.pl
obs.com.cn
obs.gr
bso.gr
sbo.com.ph
sob.pt
obs.map.fastly.net
sob.com.vn
obs.ee
bso.cloud
obs.re
sbo.be
osb.net.nz
bso.org
obs.ru
obs.com.hk
obs.com.my
bso.cn
sbo.com.ua
osb.technology
sob.com.es
bso.or.at
osb.school
sbo.com
obs.group
sbo.club
sbo.(0x787878)

DNS History

8 records (8 active, 0 former)

NSns1.zonedns.vnns2.zonedns.vnns3.zonedns.vnns4.zonedns.vnMXmail92139.maychuemail.commx92139.maychuemail.netsmtp.google.comA103.57.222.17
●NSns1.zonedns.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:49:08
● 2026-05-09 13:55:14
●NSns2.zonedns.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:49:08
● 2026-05-09 13:55:14
●NSns3.zonedns.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:49:08
● 2026-05-09 13:55:14
●NSns4.zonedns.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:49:08
● 2026-05-09 13:55:14
●MXmail92139.maychuemail.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:49:08
● 2026-05-09 13:55:14
●MXmx92139.maychuemail.net2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:49:08
● 2026-05-09 13:55:14
●MXsmtp.google.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:49:08
● 2026-05-09 13:55:14
●A103.57.222.172026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 01:49:08
● 2026-05-09 13:55:14

🔍 DNS Trace

Analysis

Hierarchy

bos.edu.vn is the parent of qttc.bos.edu.vn, ceo.bos.edu.vn, taichinhketoan.bos.edu.vn, nhansu.bos.edu.vn, ceoquantri.bos.edu.vn and several other host names.

IP Addresses

bos.edu.vn points to a single IP: 103.57.222.17.

Other host names, for instance hocbanglaixe.edu.vn, cpcalendars.daotaovietnam.edu.vn, xn--ngdungtt-b4a68p.vn, dcom4g.com and www.kieugialinh.com.inow.vn share IP numbers with bos.edu.vn.

Name Servers

bos.edu.vn is delegated to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.

bos.edu.vn at least partially shares its name servers with other domains, for instance acdesign.vn, phuquocyacht.vn, hdunistore.vn, camelia.com.vn and dalatthiennhien.com.

These name servers are commonly used alongside ns2008.nhanhoa.com.vn and ns2009.nhanhoa.com.vn.

Host names with two IP numbers

Host ns1.zonedns.vn points to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 64.176.84.220.

Host ns2.zonedns.vn points to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 103.176.178.51.

Host ns3.zonedns.vn points to 2001:df1:3200::15 and 103.28.36.30.

Host ns4.zonedns.vn points to 2001:df1:3200::15 and 103.28.39.159.

Hosts pointing to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33: ns1.zonedns.vn and ns2.zonedns.vn.

Hosts pointing to 2001:df1:3200::15: ns3.zonedns.vn and ns4.zonedns.vn.

Mail Servers

bos.edu.vn is handled by three mail servers: smtp.google.com, mail92139.maychuemail.com and mx92139.maychuemail.net.

bos.edu.vn shares some mail servers with other domains, including oxygenbotanicals.com, syzsteel.com, traveled.it, redslot.com and muimio.com.

These mail servers are commonly used with alt1.aspmx.l.google.com, aspmx.l.google.com and alt2.aspmx.l.google.com.

Host names with nine IPs: smtp.google.com points to 2607:f8b0:4023:c03::1a, 2607:f8b0:4023:c03::1b, 2607:f8b0:4023:c0d::1a, 2607:f8b0:4023:c0d::1b, 74.125.137.26, 74.125.137.27, 142.250.101.26, 142.251.2.26 and 142.251.2.27.

Host names with two IPs: mail92139.maychuemail.com points to 2406:9c80::9000:1206 and 112.213.92.139.

Host names with one IP: mx92139.maychuemail.net points to 112.213.92.139.

Host names pointing to 112.213.92.139: mail92139.maychuemail.com and mx92139.maychuemail.net.