ptu.vn - robtex.com

ptu.vn

DNSSEC⚠️ Not signed
A103.101.163.22🇻🇳 NHAN-HOA-AS-VN103.101.163.0/24 NHANHOA-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
SOAns1.zonedns.vnroot@ptu.vn 2025-12-01 #1

vn

DNSSEC🔒 Signed (DS record present)
NSdns-master.vnnic.vn ⭐
NSa.dns-servers.vn
NSb.dns-servers.vn
NSc.dns-servers.vn
NSd.dns-servers.vn
NSe.dns-servers.vn
NSf.dns-servers.vn
NSg.dns-servers.vn
NSh.dns-servers.vn
SOAdns-master.vnnic.vnpostmaster@vnnic.vn serial=2030751726

Subdomains

www.ptu.vn

Same first word

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ptu.ink
ptu.ac.kr
ptu.se
ptu.cz
ptu.be
ptu.ro
ptu.biz
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ptu.org.ua
ptu.net.pl
ptu.com
ptu.ch
ptu.nl
ptu.org
ptu.com.cn
ptu.fi

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tup.cc
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put.se

DNS History

5 records (5 active, 0 former)

NSns1.zonedns.vnns2.zonedns.vnns3.zonedns.vnns4.zonedns.vnA103.101.163.22
●NSns1.zonedns.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 11:18:56
● 2026-05-09 13:22:40
●NSns2.zonedns.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 11:18:56
● 2026-05-09 13:22:40
●NSns3.zonedns.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 11:18:56
● 2026-05-09 13:22:40
●NSns4.zonedns.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 11:18:56
● 2026-05-09 13:22:40
●A103.101.163.222026-05-01 → 2026-05-09 · 2 obs
● 2026-05-01 11:18:56
● 2026-05-09 13:22:40

🔍 DNS Trace

Analysis

Hierarchy

ptu.vn is a parent of www.ptu.vn.

IP Addresses

ptu.vn points to a single IP number: 103.101.163.22.

Other host names, for instance mail4.havi.vn, xaydungxanh.com.vn, autodiscover.vietfis.vn, mail.havi.vn and ongnhom.vn share IP numbers with ptu.vn.

Name Servers

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

ptu.vn at least partially shares name servers with other domains, for instance saigonretail.vn, cmmbvietnam.com, ninhbinhbiketours.com, usb3g.vn and unitedfarms.com.vn.

These name servers are commonly used alongside ns2008.nhanhoa.com.vn, ns2009.nhanhoa.com.vn, ns2001.nhanhoa.com and ns2002.nhanhoa.com.

Hosts with two IPs:

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

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

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

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