bu.edu.vn - robtex.com

bu.edu.vn

DNSSEC⚠️ Not signed
A45.252.251.95🇻🇳 AZDIGI-AS-VN45.252.248.0/22 AZDIGI-VN
NSns-master.inet.vn ⭐
A202.92.4.8🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN
NSns1.inet.vn
A2001:df7:ce00:1::7🇻🇳 VNPT-AS-VN2001:df7:ce00::/48 INETSOFT-VN Inet software one member company limited
A202.92.4.25🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN
NSns2.inet.vn
A2401:5f80:2001:4::30🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN
A210.211.99.38🇻🇳 VTDC-AS-VN210.211.99.0/24 Proxy-registered route object
NSns3.inet.vn ⚠️ Not in parent delegation
A2401:5f80:4001:4::14🇻🇳 VTDC-AS-VN2401:5f80:4000::/36 VTDC-VN
A203.113.174.42🇻🇳 VTDC-AS-VN203.113.174.0/23 VIETTEL-VN
SOAns-master.inet.vnpostmaster@inet.vn 2015-07-28 #0

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=2018564899

Subdomains

www.bu.edu.vn

Same first word

bu.at
bu.tc
bu.nu
bu.biz
bu.su
bu.hr
bu.dk
bu.edu.au
bu.lv
bu.hu
bu.edu
bu.fyi
bu.wtf
bu.ru
bu.bb
bu.st
bu.lk
bu.is
bu.no
bu.edu.tr
bu.ca
bu.net
bu.ac.kr
bu.co.uk
bu.sh.cn
bu.edu.pk
bu.spb.ru
bu.digital
bu.gen.tr
bu.ke
bu.org.au
bu.cz
bu.to
bu.soccer
bu.com.ua
bu.ac.ke
bu.com
bu.amsterdam
bu.style
bu.tel
bu.si
bu.se
bu.nl
bu.cl
bu.edu.mx
bu.edu.sa
bu.net.tr
bu.net.au
bu.edu.eg
bu.edu.kg
bu.edu.af
bu.mp
bu.tt
bu.fi
bu.lt
bu.ac.th
bu.ae
bu.lc
bu.md
bu.life
bu.co.kr
bu.be
bu.gg
bu.edu.vn
bu.org.tr
bu.vc
bu.com.tw
bu.cc
bu.pl
bu.s3.amazonaws.com
bu.com.co
bu.am
bu.by
bu.com.tr
bu.gy
bu.tv

Similar names

ub.diskstation.me
ub.edu.bs
ub.vc
ub.no
ub.ac.id
ub.edu.bz
ub.edu.ar
ub.edu.bo
ub.gov.mn
ub.net.tr
ub.kz
ub.com
ub.gs
ub.bw
ub.wtf
ub.web.tr
ub.blue
ub.ac
ub.business
ub.net
ub.ua
ub.tc
ub.ro
ub.dk
ub.cat
ub.edu.sa
ub.bike
ub.fi
ub.es
ub.com.ua
ub.kiev.ua
ub.edu.bi
ub.chat
ub.co.ke
ub.am
ub.kg
ub.net.cn
ub.org.bo
ub.ac.ir
ub.tv
ub.ag
ub.lt
ub.bet
ub.life
ub.edu.br
ub.lv
ub.edu.vn
ub.world
ub.ca
ub.azurewebsites.net
ub.com.hk
ub.be
ub.io
ub.org
ub.nic.in
ub.com.vn
ub.edu.ph
ub.mn
ub.hu
ub.com.tr
ub.ru
ub.se
ub.la
ub.ms
ub.com.es
ub.edu
ub.sk
ub.eu
ub.cn
ub.biz
ub.cz
ub.org.vn
ub.city
ub.nl
ub.co
ub.cc
ub.de

DNS History

17 records (5 active, 12 former)

20162017201820192020202120222023202420252026NSns-master.inet.vnns1.inet.vnns2.inet.vnns3.inet.vnns-bak.matbao.comns1.matbao.vnns2.matbao.vnMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comcloudmx.emailserver.vnmx.emailserver.vnA45.252.251.95112.78.2.112124.158.10.158
○NSns-bak.matbao.com2015-09-03 → 2017-07-23 · 4 obs
● 2015-09-03 05:46:30
● 2017-07-23 13:28:58
○ 2026-04-30 19:45:34
○ 2026-05-11 00:00:26
●NSns-master.inet.vn2026-04-30 → 2026-05-11 · 3 obs
○ 2017-07-23 13:28:58
● 2026-04-30 19:45:34
● 2026-05-11 00:00:26
●NSns1.inet.vn2026-04-30 → 2026-05-11 · 3 obs
○ 2017-07-23 13:28:58
● 2026-04-30 19:45:34
● 2026-05-11 00:00:26
○NSns1.matbao.vn2015-09-03 → 2017-07-23 · 4 obs
● 2015-09-03 05:46:30
● 2017-07-23 13:28:58
○ 2026-04-30 19:45:34
○ 2026-05-11 00:00:26
●NSns2.inet.vn2026-04-30 → 2026-05-11 · 3 obs
○ 2017-07-23 13:28:58
● 2026-04-30 19:45:34
● 2026-05-11 00:00:26
○NSns2.matbao.vn2015-09-03 → 2017-07-23 · 4 obs
● 2015-09-03 05:46:30
● 2017-07-23 13:28:58
○ 2026-04-30 19:45:34
○ 2026-05-11 00:00:26
●NSns3.inet.vn2026-04-30 → 2026-05-11 · 3 obs
○ 2017-07-23 13:28:58
● 2026-04-30 19:45:34
● 2026-05-11 00:00:26
○MXalt1.aspmx.l.google.com2017-07-12 → 2017-07-23 · 5 obs
○ 2017-01-13 23:00:46
● 2017-07-12 00:27:48
● 2017-07-23 13:28:58
○ 2026-04-30 19:45:34
○ 2026-05-11 00:00:26
○MXalt2.aspmx.l.google.com2017-07-12 → 2017-07-23 · 5 obs
○ 2017-01-13 23:00:46
● 2017-07-12 00:27:48
● 2017-07-23 13:28:58
○ 2026-04-30 19:45:34
○ 2026-05-11 00:00:26
○MXaspmx.l.google.com2017-07-12 → 2017-07-23 · 5 obs
○ 2017-01-13 23:00:46
● 2017-07-12 00:27:48
● 2017-07-23 13:28:58
○ 2026-04-30 19:45:34
○ 2026-05-11 00:00:26
○MXaspmx2.googlemail.com2017-07-12 → 2017-07-23 · 5 obs
○ 2017-01-13 23:00:46
● 2017-07-12 00:27:48
● 2017-07-23 13:28:58
○ 2026-04-30 19:45:34
○ 2026-05-11 00:00:26
○MXaspmx3.googlemail.com2017-07-12 → 2017-07-23 · 5 obs
○ 2017-01-13 23:00:46
● 2017-07-12 00:27:48
● 2017-07-23 13:28:58
○ 2026-04-30 19:45:34
○ 2026-05-11 00:00:26
○MXcloudmx.emailserver.vn2016-03-25 → 2017-01-13 · 5 obs
○ 2015-12-25 10:33:06
● 2016-03-25 10:35:58
● 2017-01-13 23:00:46
○ 2017-07-12 00:27:48
○ 2026-05-11 00:00:26
○MXmx.emailserver.vn2015-09-03 → 2015-12-25 · 4 obs
● 2015-09-03 05:46:30
● 2015-12-25 10:33:06
○ 2016-03-25 10:35:58
○ 2026-05-11 00:00:26
○A112.78.2.1122015-09-03 → 2017-01-13 · 4 obs
● 2015-09-03 05:46:30
● 2017-01-13 23:00:46
○ 2017-07-12 00:27:48
○ 2026-05-11 00:00:26
○A124.158.10.1582017-07-12 → 2017-08-19 · 5 obs
○ 2017-01-13 23:00:46
● 2017-07-12 00:27:48
● 2017-08-19 04:23:06
○ 2026-04-30 19:45:34
○ 2026-05-11 00:00:26
●A45.252.251.952026-04-30 → 2026-05-11 · 3 obs
○ 2017-08-19 04:23:06
● 2026-04-30 19:45:34
● 2026-05-11 00:00:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vnc.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...-
bu.edu.vnns1.inet.vn, ns2.inet.vn-

✅ Authoritative Response

Server:202.92.4.25

NS records: ns1.inet.vn, ns2.inet.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bu.edu.vn (unsigned zone)

⏱️ Timing

Total: 1488ms | Queries: -

📄 Records

TypeCountSample Data
A145.252.251.95
NS3ns1.inet.vn, ns3.inet.vn...
SOA1ns-master.inet.vn postmaster.inet.vn

Analysis

Hierarchy

bu.edu.vn is parent of www.bu.edu.vn.

IP Addresses

bu.edu.vn points to a single IP: 45.252.251.95.

Other host names, for instance bttcvn.com, mdfuni.com, www.instrument-tp.vn, noithata.vn and cdndongkhoi.edu.vn share IP numbers with bu.edu.vn.

Name Servers

bu.edu.vn is delegated to four name servers: ns-master.inet.vn, ns1.inet.vn, ns2.inet.vn and ns3.inet.vn.

bu.edu.vn at least partially shares its name servers with other domains, for instance buycard.vn, duhocviethan.edu.vn, gemnuts.com, akas.com.vn and hakahome.com.vn.

These name servers are often used together with the name servers ns1.dnscloud.vn.

Two IPs per host:

ns1.inet.vn points to 2001:df7:ce00:1::7 and 202.92.4.25.

ns2.inet.vn points to 2401:5f80:2001:4::30 and 210.211.99.38.

ns3.inet.vn points to 2401:5f80:4001:4::14 and 203.113.174.42.

One IP per host:

ns-master.inet.vn points to 202.92.4.8.