`phd.edu.vn`

DNSSEC	⚠️ Not signed
A	103.57.221.81^{🇻🇳 VNPT-AS-VN103.57.220.0/22 INET-VN}
NS	`ns1.zonedns.vn` ⭐
		A	2401:c080:1400:1cd4:5400:5ff:fe80:ec33^{🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix}
		A	64.176.84.220^{🇸🇬 AS-VULTR64.176.80.0/20 Vultr Assigned Prefix}
			PTR	`ns1.zonedns.vn`
NS	`ns2.zonedns.vn`
		A	2401:c080:1400:1cd4:5400:5ff:fe80:ec33^{🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix}
		A	103.176.178.51^{🇻🇳 NHAN-HOA-AS-VN103.176.178.0/24 NINETECH-VN}
NS	`ns3.zonedns.vn`
		A	2001:df1:3200::15^{🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN}
		A	103.28.36.30^{🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN}
NS	`ns4.zonedns.vn` ⚠️ Not in zone NS records
		A	2001:df1:3200::15^{🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN}
		A	103.28.39.159^{🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN}
SOA	`ns1.zonedns.vn`root@phd.edu.vn 2024-11-14 #4

`edu.vn`

	DNSSEC	⚠️ Not signed
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`b.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`c.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`d.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`e.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`f.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`g.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`h.dns-servers.vn` ⚠️ Not in parent delegation
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2018564748

Subdomains

www.phd.edu.vn

Same first word

phd

phd.fr

phd.info

phd.edu.vn

phd.sk

phd.mk

phd.email

phd.se

phd.eu

phd.ws

phd.ind.in

phd.net

phd.co.id

phd.kz

phd.co.uk

phd.university

phd.equipment

phd.la

phd.tips

phd.us

phd.ch

phd.biz

phd.ru

phd.hk

phd.cl

phd.in.rs

phd.be

phd.co.za

phd.com.tw

phd.cz

phd.world

phd.org

phd.network

phd.lv

phd.nu

phd.vn

phd.at

phd.edu.pl

phd.pl

phd.academy

phd.kr

phd.chat

phd.ca

phd.dk

phd.it

phd.co

phd.com

phd.es

phd.doctor

phd.pt

phd.mx

phd.media

phd.ae

phd.nl

phd.in

phd.org.il

phd.hu

phd.com.br

phd.lt

phd.ro

phd.pp.ru

phd.co.kr

phd.com.pe

phd.iq

phd.cc

Similar names

dhp.dk

pdh.co.id

hdp.tw

dhp.co

dhp.hu

hpd.readthedocs.io

dph.cz

dhp.biz

pdh.pl

dph.net.au

pdh.ca

pdh.be

dhp.com

dhp.ru

hdp.nl

dph.net.do

dph.com.tr

dhp.tax

dhp.at

pdh.org

hdp.co.at

dph.net

dph.am

pdh.co

pdh.biz

dph.me

hdp.co.in

hpd.de

dhp.me

hpd.ac.th

dhp.com.cy

hpd.nl

dhp.com.pk

hdp.it

pdh.co.in

hpd.info

dph.at

pdh.com.pt

pdh.com.br

dph.gov.mv

hdp.at

dhp.email

hdp.dk

pdh.fr

dhp.co.uk

hdp.ru

hdp.com.br

dph.be

pdh.es

dhp.info

pdh.at

dhp.org

dph.es

dhp.fi

hdp.me

hpd.us

hpd.ca

dph.in

hdp.company

pdh.se

dhp.co.in

hpd.cz

hpd.net

dhp.win

hdp.se

hpd.net.cn

hdp.eu

hpd.eu

hpd.org

hpd.sk

hpd.it

dph.co.kr

hdp.co.za

hdp.gmbh

dph.cl

DNS History

5 records (5 active, 0 former)

●NSns1.zonedns.vn2026-04-30 → 2026-05-09 · 2 obs

● 2026-04-30 23:32:58
● 2026-05-09 19:40:00

●NSns2.zonedns.vn2026-04-30 → 2026-05-09 · 2 obs

● 2026-04-30 23:32:58
● 2026-05-09 19:40:00

●NSns3.zonedns.vn2026-04-30 → 2026-05-09 · 2 obs

● 2026-04-30 23:32:58
● 2026-05-09 19:40:00

●NSns4.zonedns.vn2026-04-30 → 2026-05-09 · 2 obs

● 2026-04-30 23:32:58
● 2026-05-09 19:40:00

●A103.57.221.812026-04-30 → 2026-05-09 · 2 obs

● 2026-04-30 23:32:58
● 2026-05-09 19:40:00

🔍 DNS Trace

Analysis

Hierarchy

phd.edu.vn is a parent of www.phd.edu.vn.

IP Addresses

phd.edu.vn points to a single IP address: 103.57.221.81.

Other host names such as www.cokhithuantien.vn, techievoyage.com, anthuongyen.vn, anhphat.edu.vn and evogym.vn share IP numbers with phd.edu.vn.

Name Servers

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

At least part of the name servers for phd.edu.vn are shared with other domains, for instance vietnamhousing.vn, mayxaygiocha.vn, lonacapital.vn, hoaduong.vn and bdx.gov.vn.