`codienhanoi.net`

DNSSEC	⚠️ Not signed
A	172.104.171.128^{🇸🇬 AKAMAI-LINODE-AP172.104.160.0/19 Akamai Technologies}
		PTR	`172-104-171-128.ip.linodeusercontent.com`
NS	`ns1.matbao.com` ⭐
		A	13.250.228.99^{🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix}
			PTR	`ec2-13-250-228-99.ap-southeast-1.compute.amazonaws.com`
		A	103.110.128.60^{🇻🇳 AXYS-VN103.110.128.0/23}
NS	`ns2.matbao.com`
		A	35.198.203.127^{🇸🇬 Google35.198.192.0/20}
			PTR	`127.203.198.35.bc.googleusercontent.com`
		A	103.138.89.11^{🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET}
MX	`mail.codienhanoi.net` ⭐
TXT	`google-site-verification=ywmAHgfUHPuMVWZkb1Tbb2GVOa0T5eZXWuoWTDZ-n0M`
SOA	`ns1.matbao.com`admin@matbao.com 2022-10-18 #1

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1776206227

Subdomains

mail.codienhanoi.net

Same first word

codienhanoi.com.vn

codienhanoi.edu.vn

codienhanoi.net

codienhanoi.vn

DNS History

5 records (4 active, 1 former)

●NSns1.matbao.com2017-01-04 → 2026-04-14 · 4 obs

● 2017-01-04 14:52:12
○ 2018-07-03 16:51:30
● 2026-03-01 04:17:34
● 2026-04-14 22:55:12

●NSns2.matbao.com2017-01-04 → 2026-04-14 · 4 obs

● 2017-01-04 14:52:12
○ 2018-07-03 16:51:30
● 2026-03-01 04:17:34
● 2026-04-14 22:55:12

●MXmail.codienhanoi.net2026-03-01 → 2026-04-14 · 2 obs

● 2026-03-01 04:17:34
● 2026-04-14 22:55:12

○A103.7.41.1052017-01-04 → 2017-01-04 · 3 obs

● 2017-01-04 14:52:12
○ 2018-07-03 16:51:30
○ 2026-04-14 22:55:12

●A172.104.171.1282026-03-01 → 2026-04-14 · 3 obs

○ 2018-07-03 16:51:30
● 2026-03-01 04:17:34
● 2026-04-14 22:55:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
codienhanoi.net	ns1.matbao.com, ns2.matbao.com	-

✅ Authoritative Response

Server:13.250.228.99

NS records: ns1.matbao.com, ns2.matbao.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for codienhanoi.net (unsigned zone)

⏱️ Timing

Total: 808ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`172.104.171.128`
NS	2	`ns1.matbao.com, ns2.matbao.com`
MX	1	`mail.codienhanoi.net (pri: 10)`
TXT	1	`google-site-verification=ywmAHgfUHPuMVWZ`
SOA	1	`ns1.matbao.com admin.matbao.com`

Analysis

Hierarchy

codienhanoi.net is the parent of mail.codienhanoi.net.

IP Addresses

codienhanoi.net resolves to one IP number: 172.104.171.128.

other host names including kowon.vn, tnktravel.com.vn, a5.edu.vn, songkhoe247.com and pasteurstreet.com share IP numbers with codienhanoi.net.

Name Servers

codienhanoi.net is delegated to two name servers ns1.matbao.com and ns2.matbao.com.

codienhanoi.net shares the same name server setup as other domains, for instance thangnguyenltd.com, nhanvietvn.net, gaubongthuonghieu.com, thietkethuonghieu.net and himalayamassage.com.

codienhanoi.net at least partially shares name servers with other domains, for instance khoangsanmiennam.com, hophafish.com.vn, baolanhdinhcu.com, freshvietnam.vn and bancung.com.

These name servers are commonly used with ns1.matbao.vn, ns2.matbao.vn and ns-bak.matbao.com.

Host names with two IP numbers:

The host name ns1.matbao.com points to 13.250.228.99 and 103.110.128.60; the host name ns2.matbao.com points to 35.198.203.127 and 103.138.89.11.

Mail Servers

codienhanoi.net is handled by a single mail server, mail.codienhanoi.net.

codienhanoi.net - robtex.com

codienhanoi.net

net