`kientoan.net`

DNSSEC	⚠️ Not signed
A	202.92.6.36^{🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-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`
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`
MX	`mail.kientoan.net` ⭐
		A	120.72.119.27^{🇻🇳 QTSP120.72.119.0/24 QTSC-VN}
			PTR	`11927.ninamailservice.com`
TXT	`v=spf1 a mx ip4:120.72.119.27 ~all`
SOA	`nsbak.pavietnam.net`hostmaster@kientoan.net 2019-11-16 #9

`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=1778394041

Subdomains

mail.kientoan.net

www.kientoan.net

Same first word

kientoan.net

kientoan.vn

kientoan.com

Similar names

DNS History

9 records (5 active, 4 former)

○NSns1.dotvndns.vn2015-11-29 → 2016-03-04 · 5 obs

○ 2015-08-02 14:18:14
● 2015-11-29 15:54:44
● 2016-03-04 07:43:02
○ 2016-07-20 01:45:04
○ 2026-05-10 06:24:58

●NSns1.pavietnam.vn2015-08-02 → 2026-05-10 · 5 obs

● 2015-08-02 14:18:14
○ 2015-11-29 15:54:44
○ 2016-07-20 01:45:04
● 2017-05-29 02:49:04
● 2026-05-10 06:24:58

○NSns2.dotvndns.vn2015-11-29 → 2016-03-04 · 5 obs

○ 2015-08-02 14:18:14
● 2015-11-29 15:54:44
● 2016-03-04 07:43:02
○ 2016-07-20 01:45:04
○ 2026-05-10 06:24:58

●NSns2.pavietnam.vn2015-08-02 → 2026-05-10 · 5 obs

● 2015-08-02 14:18:14
○ 2015-11-29 15:54:44
○ 2016-07-20 01:45:04
● 2017-05-29 02:49:04
● 2026-05-10 06:24:58

●NSnsbak.pavietnam.net2026-05-01 → 2026-05-10 · 3 obs

○ 2017-05-29 02:49:04
● 2026-05-01 12:31:16
● 2026-05-10 06:24:58

●MXmail.kientoan.net2026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 12:31:16
● 2026-05-10 06:24:58

○A112.213.89.382015-08-02 → 2016-03-04 · 4 obs

● 2015-08-02 14:18:14
● 2016-03-04 07:43:02
○ 2016-07-20 01:45:04
○ 2026-05-10 06:24:58

○A120.72.119.22017-05-29 → 2017-05-29 · 4 obs

○ 2016-07-20 01:45:04
● 2017-05-29 02:49:04
○ 2026-05-01 12:31:16
○ 2026-05-10 06:24:58

●A202.92.6.362026-05-01 → 2026-05-10 · 3 obs

○ 2017-05-29 02:49:04
● 2026-05-01 12:31:16
● 2026-05-10 06:24:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
kientoan.net	nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn	2 records

✅ Authoritative Response

Server:112.213.89.22

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kientoan.net (unsigned zone)

⏱️ Timing

Total: 1667ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.92.6.36`
NS	3	`ns1.pavietnam.vn, nsbak.pavietnam.net...`
MX	1	`mail.kientoan.net (pri: 0)`
TXT	1	`v=spf1 a mx ip4:120.72.119.27 ~all`
SOA	1	`nsbak.pavietnam.net hostmaster.kientoan.`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (nsbak.pavietnam.net, nsbak.pavietnam.net)

Analysis

Hierarchy

kientoan.net is a parent of mail.kientoan.net and www.kientoan.net.

IP Addresses

kientoan.net points to a single IP address: 202.92.6.36.

Other host names such as www.thuyensaigon.vn, northhanoismartcity.com.vn, exbeerience.vn, spa.zipweb.vn and www.kientoan.net share IP numbers with kientoan.net.

Name Servers

kientoan.net is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.

At least part of the name servers for kientoan.net are shared with other domains, for instance vimico.vn, vietnammiceexpo.vn, daisuthuonghieu.edu.vn, bazaarvietnam.vn and kimkimthanh.com.

These name servers are often used together with ns1.dotvndns.vn, ns2.dotvndns.vn and nsbak.dotvndns.com.

Host names with two IP numbers:

nsbak.pavietnam.net points to 2406:9c80::9000:302 and 112.213.89.22

ns1.pavietnam.vn points to 2406:9c80::66 and 112.213.89.3

ns2.pavietnam.vn points to 2406:9c80::9000:111 and 222.255.121.247

Mail Servers

The mail server for kientoan.net is mail.kientoan.net.

Host mail.kientoan.net points to IP 120.72.119.27.

kientoan.net - robtex.com

kientoan.net

net