`ddc.edu.vn`

DNSSEC	⚠️ Not signed
A	125.212.243.237^{🇻🇳 VTDC-AS-VN125.212.240.0/22 VIETTEL-VN}
NS	`ns1.pavietnam.vn` ⭐
		A	2406:9c80::66^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns1.dotvndns.vn`
		A	112.213.89.3^{🇻🇳 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}
			PTR	`ns1.dotvndns.vn`
NS	`ns2.pavietnam.vn`
		A	2406:9c80::9000:111^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`ns2.dotvndns.vn`
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
NS	`nsbak.pavietnam.net`
		A	2406:9c80::9000:302^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`nsbak.dotvndns.com`
		A	112.213.89.22^{🇻🇳 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}
			PTR	`ns8922.dotvndns.vn`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c03::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dy-in-f26.1e100.net`
		A	74.125.137.27^{🇺🇸 Google74.125.137.0/24}
			PTR	`dy-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.26^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2607:f8b0:4023:3003::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f26.1e100.net`
		A	172.253.145.27^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f27.1e100.net`
			PTR	`ws-in-x1b.1e100.net`
		A	173.194.76.27^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f27.1e100.net`
TXT	`v=spf1 include:_spf.google.com ~all`
TXT	`google-site-verification=49xjjcj7CLAWTQ6MYvSeWWAMtmvrdhQKZFS-lNBmAn4`
SOA	`ns1.pavietnam.vn`hostmaster@ddc.edu.vn 2022-01-18 #16

`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=2018564973

Subdomains

www.ddc.edu.vn

Same first word

ddc.agency

ddc.ru

ddc.cc

ddc.la

ddc.cn

ddc.nl

ddc.in

ddc.fr

ddc.or.kr

ddc.ch

ddc.hopto.org

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ddc.hk

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ddc.com

ddc.promo

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ddc.js.cn

ddc.edu.vn

ddc.host

ddc.gg

ddc.one

ddc.be

ddc.co.za

ddc.at

ddc.directory

ddc.ltd

ddc.pt

ddc.me

ddc.ac.kr

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ddc.cm

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ddc.kz

ddc.co

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ddc.tech

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ddc.eu

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ddc.zone

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ddc.tv

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ddc.ws

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ddc.co.in

ddc.it

ddc.media.pl

ddc.net

ddc.com.tr

ddc.to

ddc.org.nz

ddc.pl

ddc.hr

Similar names

cdd.ru

cdd.com

dcd.de

cdd.com.hk

dcd.auto

cdd.bg

cdd.de

dcd.pt

cdd.pt

dcd.fr

cdd.cz

dcd.nl

dcd.dk

dcd.us

dcd.pl

cdd.net

cdd.ma

cdd.net.au

cdd.at

dcd.pvt.k12.ma.us

cdd.edu.ph

dcd.org

cdd.io

cdd.gov.mr

dcd.co.za

cdd.org.tw

dcd.one

dcd.com

cdd.design

cdd.kr

dcd.com.ua

dcd.gr

dcd.cl

cdd.be

cdd.mr

cdd.co.nz

cdd.fr

dcd.at

dcd.jp

cdd.us

dcd.ae

cdd.go.th

dcd.org.ae

dcd.ac.uk

dcd.company

cdd.com.tr

cdd.su

dcd.be

cdd.org

dcd.net

dcd.lv

dcd.cz

cdd.com.au

dcd.in

dcd.nu

cdd.eu

cdd.ro

cdd.nhs.uk

dcd.hu

cdd.co.kr

cdd.es

cdd.mobi

dcd.no

cdd.nl

dcd.events

dcd.info

dcd.ru

cdd.no

dcd.gov.ae

dcd.com.cn

cdd.pl

dcd.io

cdd.org.nz

cdd.ie

cdd.dk

dcd.com.tw

DNS History

9 records (9 active, 0 former)

●NSns1.pavietnam.vn2018-05-15 → 2026-05-11 · 2 obs

● 2018-05-15 09:25:02
● 2026-05-11 06:16:38

●NSns2.pavietnam.vn2018-05-15 → 2026-05-11 · 2 obs

● 2018-05-15 09:25:02
● 2026-05-11 06:16:38

●NSnsbak.pavietnam.net2018-05-15 → 2026-05-11 · 2 obs

● 2018-05-15 09:25:02
● 2026-05-11 06:16:38

●MXalt1.aspmx.l.google.com2018-05-15 → 2026-05-11 · 2 obs

● 2018-05-15 09:25:02
● 2026-05-11 06:16:38

●MXalt2.aspmx.l.google.com2018-05-15 → 2026-05-11 · 2 obs

● 2018-05-15 09:25:02
● 2026-05-11 06:16:38

●MXalt3.aspmx.l.google.com2018-05-15 → 2026-05-11 · 2 obs

● 2018-05-15 09:25:02
● 2026-05-11 06:16:38

●MXalt4.aspmx.l.google.com2018-05-15 → 2026-05-11 · 2 obs

● 2018-05-15 09:25:02
● 2026-05-11 06:16:38

●MXaspmx.l.google.com2018-05-15 → 2026-05-11 · 2 obs

● 2018-05-15 09:25:02
● 2026-05-11 06:16:38

●A125.212.243.2372018-05-15 → 2026-05-11 · 2 obs

● 2018-05-15 09:25:02
● 2026-05-11 06:16:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
ddc.edu.vn	ns1.pavietnam.vn, nsbak.pavietnam.net, ns2.pavietnam.vn	-

✅ Authoritative Response

Server:222.255.121.247

NS records: ns1.pavietnam.vn, nsbak.pavietnam.net, ns2.pavietnam.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 2200ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`125.212.243.237`
NS	3	`nsbak.pavietnam.net, ns1.pavietnam.vn...`
MX	5	`alt2.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 1)...`
TXT	2	`v=spf1 include:_spf.google.com ~all, google-site-verification=49xjjcj7CLAWTQ6`
SOA	1	`ns1.pavietnam.vn hostmaster.ddc.edu.vn`