`cedlink.edu.vn`

DNSSEC	⚠️ Not signed
A	193.203.172.2^{🇩🇪 IIHOS001193.203.172.0/23 HOSTINGER ID}
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`
		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}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c0b::1a^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dd-in-f26.1e100.net`
		A	142.251.2.27^{🇺🇸 Google142.251.2.0/24}
			PTR	`dl-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2800:3f0:4003:c0f::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
		A	2607:f8b0:4023:1015::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yudfwta-in-f27.1e100.net`
		A	172.253.135.27^{🇺🇸 Google172.253.135.0/24}
			PTR	`yudfwta-in-f27.1e100.net`
MX	`aspmx2.googlemail.com`⁽³⁰⁾
		A	2607:f8b0:4023:3003::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`yulnkjt-in-f27.1e100.net`
		A	172.253.145.26^{🇺🇸 Google172.253.145.0/24}
			PTR	`yulnkjt-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`⁽³⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
SOA	`ns1.zonedns.vn`root@cedlink.edu.vn 2025-08-10 #7

`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=2018565100

Subdomains

www.cedlink.edu.vn

en.cedlink.edu.vn

Same first word

cedlink.org

cedlink.edu.vn

Similar names

declink.com.br

edclink.com

endlick.com

decklin.com

dnickel.de

kleicdn.com

clinked.app

clinked.nl

declink.com

cdelink.net

dcklein.com

clinked.org

clinked.com

liknced.cn

lednick.com

cdlinke.com

lincked.com

nickled.com

lednick.net

cdelink.com

cdelink.cn

dnickel.com

elinkdc.com

delkinc.com

nickeld.com

linkedc.net

linkedc.com

cdklein.com

lednick.ru

einklcd.com

cdkelin.com

DNS History

10 records (10 active, 0 former)

●NSns1.zonedns.vn2026-04-30 → 2026-05-11 · 2 obs

● 2026-04-30 23:24:10
● 2026-05-11 16:09:18

●NSns2.zonedns.vn2026-04-30 → 2026-05-11 · 2 obs

● 2026-04-30 23:24:10
● 2026-05-11 16:09:18

●NSns3.zonedns.vn2026-04-30 → 2026-05-11 · 2 obs

● 2026-04-30 23:24:10
● 2026-05-11 16:09:18

●NSns4.zonedns.vn2026-04-30 → 2026-05-11 · 2 obs

● 2026-04-30 23:24:10
● 2026-05-11 16:09:18

●MXalt1.aspmx.l.google.com2026-04-30 → 2026-05-11 · 2 obs

● 2026-04-30 23:24:10
● 2026-05-11 16:09:18

●MXalt2.aspmx.l.google.com2026-04-30 → 2026-05-11 · 2 obs

● 2026-04-30 23:24:10
● 2026-05-11 16:09:18

●MXaspmx.l.google.com2026-04-30 → 2026-05-11 · 2 obs

● 2026-04-30 23:24:10
● 2026-05-11 16:09:18

●MXaspmx2.googlemail.com2026-04-30 → 2026-05-11 · 2 obs

● 2026-04-30 23:24:10
● 2026-05-11 16:09:18

●MXaspmx3.googlemail.com2026-04-30 → 2026-05-11 · 2 obs

● 2026-04-30 23:24:10
● 2026-05-11 16:09:18

●A193.203.172.22026-04-30 → 2026-05-11 · 2 obs

● 2026-04-30 23:24:10
● 2026-05-11 16:09:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
cedlink.edu.vn	ns1.zonedns.vn, ns3.zonedns.vn, ns2.zonedns.vn, ns4.zonedns.vn	-

✅ Authoritative Response

Server:103.28.39.159

NS records: ns1.zonedns.vn, ns3.zonedns.vn, ns2.zonedns.vn, ns4.zonedns.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 3434ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`193.203.172.2`
NS	4	`ns1.zonedns.vn, ns4.zonedns.vn...`
MX	5	`ALT1.ASPMX.L.GOOGLE.COM (pri: 20), ASPMX.L.GOOGLE.COM (pri: 10)...`
SOA	1	`ns1.zonedns.vn root.cedlink.edu.vn`

Analysis

Hierarchy

cedlink.edu.vn is parent of www.cedlink.edu.vn and en.cedlink.edu.vn.

IP Addresses

cedlink.edu.vn points to a single IP number: 193.203.172.2.

other host names for instance en.cedlink.edu.vn, xgzx.ced.edu.vn, dddd.blogen.ced.edu.vn, jkczvmail.exmail.ced.edu.vn and aflateen.ced.edu.vn share IP numbers with cedlink.edu.vn.

Name Servers

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

cedlink.edu.vn at least partially shares name servers with other domains, for instance smika.vn, citipupharma.vn, thptdongkinh.edu.vn, firsttea.vn and n3mo.com.