btes.edu.vn - robtex.com

btes.edu.vn

DNSSEC⚠️ Not signed
A210.245.8.134🇻🇳 FPT-AS-AP210.245.8.0/21 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi
NSns1.dotvndns.vn ⭐ ⚠️ Not in parent delegation
A2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRns1.dotvndns.vn
A112.213.89.3🇻🇳 SUPERDATA112.213.89.0/24 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
PTRns1.dotvndns.vn
NSns1.sapo.vn ⚠️ Not in zone NS records
A112.213.89.3🇻🇳 SUPERDATA112.213.89.0/24 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
PTRns1.dotvndns.vn
NSns2.dotvndns.vn ⚠️ Not in parent delegation
A2406:9c80::9000:111🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRns2.dotvndns.vn
A222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT
PTRstatic.vdc.vn
PTRstatic.vnpt.vn
NSns2.sapo.vn ⚠️ Not in zone NS records
A222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT
PTRstatic.vdc.vn
PTRstatic.vnpt.vn
NSnsbak.pavietnam.vn ⚠️ Not in zone NS records
A2406:9c80::9000:302🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRnsbak.dotvndns.com
A112.213.89.3🇻🇳 SUPERDATA112.213.89.0/24 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
PTRns1.dotvndns.vn
MXmail.btes.edu.vn ⭐
A210.245.8.134🇻🇳 FPT-AS-AP210.245.8.0/21 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi
TXTv=spf1 a mx ~all
SOAns1.dotvndns.vnhostmaster@btes.edu.vn 2023-11-30 #1

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

www.btes.edu.vn
mail.btes.edu.vn

Same first word

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DNS History

7 records (7 active, 0 former)

NSns1.dotvndns.vnns1.sapo.vnns2.dotvndns.vnns2.sapo.vnnsbak.pavietnam.vnMXmail.btes.edu.vnA210.245.8.134
●NSns1.dotvndns.vn2026-04-30 → 2026-05-09 · 2 obs
● 2026-04-30 23:43:14
● 2026-05-09 13:53:06
●NSns1.sapo.vn2026-04-30 → 2026-05-09 · 2 obs
● 2026-04-30 23:43:14
● 2026-05-09 13:53:06
●NSns2.dotvndns.vn2026-04-30 → 2026-05-09 · 2 obs
● 2026-04-30 23:43:14
● 2026-05-09 13:53:06
●NSns2.sapo.vn2026-04-30 → 2026-05-09 · 2 obs
● 2026-04-30 23:43:14
● 2026-05-09 13:53:06
●NSnsbak.pavietnam.vn2026-04-30 → 2026-05-09 · 2 obs
● 2026-04-30 23:43:14
● 2026-05-09 13:53:06
●MXmail.btes.edu.vn2026-04-30 → 2026-05-09 · 2 obs
● 2026-04-30 23:43:14
● 2026-05-09 13:53:06
●A210.245.8.1342026-04-30 → 2026-05-09 · 2 obs
● 2026-04-30 23:43:14
● 2026-05-09 13:53:06

🔍 DNS Trace

Analysis

Hierarchy

btes.edu.vn is a parent of www.btes.edu.vn and mail.btes.edu.vn.

IP Addresses

btes.edu.vn points to IP number: 210.245.8.134.

Other host names such as en.longvu.net, fravi.com.vn, www.wintek.vn, thietbihongduc.vn and dddd.dino.edu.vn share IPs with btes.edu.vn.

Name Servers

btes.edu.vn is delegated to five name servers: ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.pavietnam.vn, ns1.sapo.vn and ns2.sapo.vn.

btes.edu.vn at least partially shares name servers with other domains, for instance agr.vn, aicmanagement.net, vlxdtuanphat.com, tyai.vn and cnet.edu.vn.

these name servers are often used with the name servers nsbak.dotvndns.com, ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net, ns3.dotvndns.vn, dnsbak.pavietnam.vn, ns1.dkt.com.vn and ns4.dotvndns.vn.

Host names with two IP numbers

- ns1.dotvndns.vn points to 2406:9c80::66 and 112.213.89.3

- ns2.dotvndns.vn points to 2406:9c80::9000:111 and 222.255.121.247

- nsbak.pavietnam.vn points to 2406:9c80::9000:302 and 112.213.89.3

Host names with one IP number

- ns1.sapo.vn points to 112.213.89.3

- ns2.sapo.vn points to 222.255.121.247

Host names that point to 112.213.89.3: ns1.dotvndns.vnnsbak.pavietnam.vn and ns1.sapo.vn

Host names that point to 222.255.121.247: ns2.dotvndns.vn and ns2.sapo.vn

Mail Servers

btes.edu.vn is handled by a single mail server, mail.btes.edu.vn.

mail.btes.edu.vn points to a single IP: 210.245.8.134.