cnet.edu.vn - robtex.com

cnet.edu.vn

DNSSEC⚠️ Not signed
A113.160.106.38🇻🇳 VTN-1113.160.96.0/20 VNPT-Net
PTRstatic.vnpt.vn
NSns1.dotvndns.vn ⭐
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
NSns2.dotvndns.vn
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
NSns3.dotvndns.vn
A112.213.89.22🇻🇳 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
PTRns8922.dotvndns.vn
NSnsbak.dotvndns.com
A2406:9c80::9000:302🇻🇳 SUPERDATA2406:9c80::/48 -VN
PTRnsbak.dotvndns.com
A112.213.89.22🇻🇳 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
PTRns8922.dotvndns.vn
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c07::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbc-in-f26.1e100.net
A142.251.167.27🇺🇸 Google142.251.167.0/24
PTRww-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1b🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:3003::1a🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f26.1e100.net
A172.253.145.27🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2607:f8b0:4023:1015::1b🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f27.1e100.net
A172.253.135.27🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1b🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.26🇺🇸 Google173.194.76.0/24
PTRws-in-f26.1e100.net
TXTgoogle-site-verification=izS2feBVCQo7lCFitgAu0LymereXIc3q7bnm7jjyStc
TXTv=spf1 a mx ~all
SOAns1.dotvndns.vnhostmaster@cnet.edu.vn 2025-08-13 #9

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=2018565002

Same first word

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cnet.ne.jp
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cnet.com.co
cnet.co.kr
cnet.tech
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cnet.pt
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enct.ch
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ectn.cn
enct.at
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cnte.net
ntec.ac.nz
netc.co.at
netc.fr
netc.ac.th
ntec.co.th
ncte.ie
tenc.com
tenc.biz
cent.biz
cetn.org.cn
entc.cn

DNS History

16 records (10 active, 6 former)

20192020202120222023202420252026NSns1.dotvndns.vnns2.dotvndns.vnns3.dotvndns.vnnsbak.dotvndns.comhtsvns001.hoster.vnhtsvns002.hoster.vnMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commx.zoho.commx2.zoho.commx3.zoho.comA113.160.106.38103.56.158.19
○NShtsvns001.hoster.vn2018-08-20 → 2018-08-20 · 3 obs
● 2018-08-20 08:56:58
○ 2026-04-30 20:18:18
○ 2026-05-11 08:36:52
○NShtsvns002.hoster.vn2018-08-20 → 2018-08-20 · 3 obs
● 2018-08-20 08:56:58
○ 2026-04-30 20:18:18
○ 2026-05-11 08:36:52
●NSns1.dotvndns.vn2026-04-30 → 2026-05-11 · 3 obs
○ 2018-08-20 08:56:58
● 2026-04-30 20:18:18
● 2026-05-11 08:36:52
●NSns2.dotvndns.vn2026-04-30 → 2026-05-11 · 3 obs
○ 2018-08-20 08:56:58
● 2026-04-30 20:18:18
● 2026-05-11 08:36:52
●NSns3.dotvndns.vn2026-04-30 → 2026-05-11 · 3 obs
○ 2018-08-20 08:56:58
● 2026-04-30 20:18:18
● 2026-05-11 08:36:52
●NSnsbak.dotvndns.com2026-04-30 → 2026-05-11 · 3 obs
○ 2018-08-20 08:56:58
● 2026-04-30 20:18:18
● 2026-05-11 08:36:52
●MXalt1.aspmx.l.google.com2026-04-30 → 2026-05-11 · 3 obs
○ 2018-08-20 08:56:58
● 2026-04-30 20:18:18
● 2026-05-11 08:36:52
●MXalt2.aspmx.l.google.com2026-04-30 → 2026-05-11 · 3 obs
○ 2018-08-20 08:56:58
● 2026-04-30 20:18:18
● 2026-05-11 08:36:52
●MXalt3.aspmx.l.google.com2026-04-30 → 2026-05-11 · 3 obs
○ 2018-08-20 08:56:58
● 2026-04-30 20:18:18
● 2026-05-11 08:36:52
●MXalt4.aspmx.l.google.com2026-04-30 → 2026-05-11 · 3 obs
○ 2018-08-20 08:56:58
● 2026-04-30 20:18:18
● 2026-05-11 08:36:52
●MXaspmx.l.google.com2026-04-30 → 2026-05-11 · 3 obs
○ 2018-08-20 08:56:58
● 2026-04-30 20:18:18
● 2026-05-11 08:36:52
○MXmx.zoho.com2018-08-20 → 2018-08-20 · 3 obs
● 2018-08-20 08:56:58
○ 2026-04-30 20:18:18
○ 2026-05-11 08:36:52
○MXmx2.zoho.com2018-08-20 → 2018-08-20 · 3 obs
● 2018-08-20 08:56:58
○ 2026-04-30 20:18:18
○ 2026-05-11 08:36:52
○MXmx3.zoho.com2018-08-20 → 2018-08-20 · 3 obs
● 2018-08-20 08:56:58
○ 2026-04-30 20:18:18
○ 2026-05-11 08:36:52
○A103.56.158.192018-08-20 → 2018-08-20 · 3 obs
● 2018-08-20 08:56:58
○ 2026-04-30 20:18:18
○ 2026-05-11 08:36:52
●A113.160.106.382026-04-30 → 2026-05-11 · 3 obs
○ 2018-08-20 08:56:58
● 2026-04-30 20:18:18
● 2026-05-11 08:36:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vnc.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...-
cnet.edu.vnns2.dotvndns.vn, nsbak.dotvndns.com, ns1.dotvndns.vn, ns3.dotvndns.vn-

✅ Authoritative Response

Server:222.255.121.247

NS records: ns2.dotvndns.vn, nsbak.dotvndns.com, ns1.dotvndns.vn, ns3.dotvndns.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 4428ms | Queries: -

📄 Records

TypeCountSample Data
A1113.160.106.38
NS4ns3.dotvndns.vn, nsbak.dotvndns.com...
MX5alt2.aspmx.l.google.com (pri: 5), alt4.aspmx.l.google.com (pri: 10)...
TXT2v=spf1 a mx ~all, google-site-verification=izS2feBVCQo7lCF
SOA1nsbak.dotvndns.com hostmaster.cnet.edu.v

Analysis

IP Addresses

cnet.edu.vn points to a single IP number: 113.160.106.38.

other host names for instance mail.caosumanhtien.com, dakhoa.hangkenh.vn, ztech.com.vn, tjtvina.com and mail.quoctesannhihaiphong.vn share IP numbers with cnet.edu.vn.

Name Servers

cnet.edu.vn is delegated to four name servers: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn and ns3.dotvndns.vn.

cnet.edu.vn at least partially shares name servers with other domains, for instance hatex.vn, gstock.vn, chanto.vn, vianrico.com and taa.vn.

These name servers are commonly used with ns1.pavietnam.vn, ns2.pavietnam.vn and nsbak.pavietnam.net.

Host names with two IP numbers

nsbak.dotvndns.com points to: 2406:9c80::9000:302 and 112.213.89.22

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

Host names with one IP number

ns3.dotvndns.vn points to: 112.213.89.22

Host names that point to 112.213.89.22: nsbak.dotvndns.com and ns3.dotvndns.vn

Mail Servers

cnet.edu.vn is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

cnet.edu.vn shares mail servers with other domains at least partially, including ns500731.ns500671.ns500671.ns500742.ns500742.ns500754.ns500688.ns500704.ns500671.ns500678.ns500671.ns500671.ns500649.ns500291.ns500131.lustychickser.com, ns500693.ns500765.ns500699.ns500699.ns500734.ns500699.ns500734.ns500699.ns500693.ns500588.ns500699.ns500588.ns500683.ns500588.ns500699.ns500602.dtrkdll.com, ns500742.ns500731.ns500754.ns500754.ns500731.ns500705.ns500688.ns500688.ns500671.ns500671.ns500291.ns500131.lustychickser.com, epsgroups.com and tonysdreamhomes.com.

these mail servers are often used with the mail servers aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.

Hosts with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4004:c07::1a and 142.251.167.27.

alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1b and 192.178.128.27.

alt2.aspmx.l.google.com points to 2607:f8b0:4023:3003::1a and 172.253.145.27.

alt3.aspmx.l.google.com points to 2607:f8b0:4023:1015::1b and 172.253.135.27.

alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1b and 173.194.76.26.