`ckoto.vn`

DNSSEC	⚠️ Not signed
A	123.30.136.97^{🇻🇳 VDC123.30.136.0/24 VNPT}
		PTR	`c12397.vinahost.org`
NS	`ns1.vinahost.vn` ⭐
		A	2400:6540:0:fffe:800::225^{🇻🇳 VNPT-AS-VN2400:6540::/48 VNPT Route}
		A	103.9.76.225^{🇻🇳 VTN-1103.9.76.0/24 VNPT-Customer-VinaHost}
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	`mx92139.maychuemail.net` ⭐
		A	112.213.92.139^{🇻🇳 SUPERDATA112.213.92.0/24 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	`mail92139.maychuemail.com`
MX	`mail92139.maychuemail.com`⁽¹⁰⁾
		A	2406:9c80::9000:1206^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`mail92139.maychuemail.com`
		A	112.213.92.139^{🇻🇳 SUPERDATA112.213.92.0/24 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	`mail92139.maychuemail.com`
TXT	`v=spf1 include:spf.maychuemail.com ~all`
SOA	`ns1.vinahost.vn`hostmaster@ckoto.vn 2025-09-16 #28

`vn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn`
	NS	`b.dns-servers.vn`
	NS	`c.dns-servers.vn`
	NS	`d.dns-servers.vn`
	NS	`e.dns-servers.vn`
	NS	`f.dns-servers.vn`
	NS	`g.dns-servers.vn`
	NS	`h.dns-servers.vn`
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2030754327

Previously MX for

ckoto.vn

Subdomains

www.ckoto.vn

Same first word

ckoto.vn

Similar names

cotok.net

ktoco.pl

tokoc.com

tokoc.co.jp

otock.co.jp

kctoo.com

otkoc.ru

cootk.com

cookt.info

tkoco.com

octok.org

kocot.de

ockto.se

okcot.com

ockto.com

tokco.com

ockto.design

kotoc.net

kotco.cn

ockto.fr

octok.com

tcook.eu

kocot.eu

ockto.pl

otock.info

tcook.me

tcook.co.uk

tcook.net

kocot.org

kocot.com.pl

otock.com

cktoo.com

cookt.live

tokoc.jp

ckoot.com

tcook.ru

cootk.cn

tcook.pl

tcook.co

cktoo.cn

otock.net

kootc.com

tcook.com

ockto.nl

DNS History

9 records (7 active, 2 former)

●NSns1.pavietnam.vn2026-05-01 → 2026-05-10 · 3 obs

○ 2019-12-19 23:30:18
● 2026-05-01 15:44:12
● 2026-05-10 08:32:26

●NSns1.vinahost.vn2019-12-19 → 2026-05-10 · 2 obs

● 2019-12-19 23:30:18
● 2026-05-10 08:32:26

●NSns2.pavietnam.vn2026-05-01 → 2026-05-10 · 3 obs

○ 2019-12-19 23:30:18
● 2026-05-01 15:44:12
● 2026-05-10 08:32:26

○NSns2.vinahost.vn2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 23:30:18
○ 2026-05-01 15:44:12
○ 2026-05-10 08:32:26

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

○ 2019-12-19 23:30:18
● 2026-05-01 15:44:12
● 2026-05-10 08:32:26

○MXckoto.vn2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 23:30:18
○ 2026-05-01 15:44:12
○ 2026-05-10 08:32:26

●MXmail92139.maychuemail.com2026-05-01 → 2026-05-10 · 3 obs

○ 2019-12-19 23:30:18
● 2026-05-01 15:44:12
● 2026-05-10 08:32:26

●MXmx92139.maychuemail.net2026-05-01 → 2026-05-10 · 3 obs

○ 2019-12-19 23:30:18
● 2026-05-01 15:44:12
● 2026-05-10 08:32:26

●A123.30.136.972019-12-19 → 2026-05-10 · 2 obs

● 2019-12-19 23:30:18
● 2026-05-10 08:32:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
ckoto.vn	ns2.pavietnam.vn, nsbak.pavietnam.net, ns1.pavietnam.vn	4 records

✅ Authoritative Response

Server:112.213.89.22

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ckoto.vn (unsigned zone)

⏱️ Timing

Total: 1662ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`123.30.136.97`
NS	3	`ns2.pavietnam.vn, ns1.pavietnam.vn...`
MX	2	`mail92139.maychuemail.com (pri: 10), mx92139.maychuemail.net (pri: 0)`
TXT	1	`v=spf1 include:spf.maychuemail.com ~all`
SOA	1	`ns1.vinahost.vn hostmaster.ckoto.vn`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.pavietnam.vn, ns1.pavietnam.vn, ns2.pavietnam.vn...)

Analysis

Hierarchy

ckoto.vn is the parent of www.ckoto.vn.

IP Addresses

ckoto.vn resolves to one IP number: 123.30.136.97.

other host names including www.ckoto.vn, www.dichvugiaphuc.com, nhasachhoanmy.vn, webdisk.ttytchauthanhst.gov.vn and cpcalendars.ttytchauthanhst.gov.vn share IP numbers with ckoto.vn.

Name Servers

ckoto.vn is delegated to four name servers: nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn and ns1.vinahost.vn.

ckoto.vn at least partially shares name servers with other domains, for instance nplaw.vn, duocphutho.edu.vn, alokiddy.com.vn, 1688.com.vn and ntc.com.vn.

These name servers are commonly used alongside ns2.vinahost.vn, ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com, ns3.vinahost.vn and ns4.vinahost.vn.

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; ns1.vinahost.vn points to 2400:6540:0:fffe:800::225 and 103.9.76.225.

Mail Servers

Two mail servers handle ckoto.vn: mail92139.maychuemail.com and mx92139.maychuemail.net.

ckoto.vn shares the same mail server setup as other domains, for instance khaithong.vn, apaccorp.com.vn, motion-ad.com, bulala.vn and ppa-vn.com.

ckoto.vn shares some mail servers with other domains, at least partially, for instance sustainability.com.vn, lmpdesign.vn, chuyenviet.vn, wincogroup.vn and savabeco.com.vn.

Host names with two IP numbers: mail92139.maychuemail.com points to 2406:9c80::9000:1206 and 112.213.92.139.

Host names with one IP number: mx92139.maychuemail.net points to 112.213.92.139.

Host names that point to 112.213.92.139: mail92139.maychuemail.com and mx92139.maychuemail.net.

ckoto.vn - robtex.com

ckoto.vn

vn

Previously MX for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`ckoto.vn`

`vn`