`congtythiennga.com`

DNSSEC	⚠️ Not signed
A	210.2.87.7^{🇻🇳 QTSP210.2.87.0/24 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	`877.ninamailservice.com`
NS	`ns1.nina.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.nina.vn`
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
NS	`ns3.nina.vn`
		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	`mail.congtythiennga.com` ⭐
		A	210.2.87.7^{🇻🇳 QTSP210.2.87.0/24 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	`877.ninamailservice.com`
TXT	`v=spf1 a mx ip4:210.2.87.7 ~all`
SOA	`ns1.nina.vn`hostmaster@congtythiennga.com 2026-01-23 #12

`com`

	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=1774491397

Subdomains

mail.congtythiennga.com

Same first word

congtythiennga.com

DNS History

6 records (5 active, 1 former)

●NSns1.nina.vn2017-01-04 → 2026-03-26 · 2 obs

● 2017-01-04 16:14:50
● 2026-03-26 02:24:14

●NSns2.nina.vn2017-01-04 → 2026-03-26 · 2 obs

● 2017-01-04 16:14:50
● 2026-03-26 02:24:14

●NSns3.nina.vn2017-01-04 → 2026-03-26 · 2 obs

● 2017-01-04 16:14:50
● 2026-03-26 02:24:14

●MXmail.congtythiennga.com2017-01-04 → 2026-03-26 · 2 obs

● 2017-01-04 16:14:50
● 2026-03-26 02:24:14

○A112.213.91.612026-02-16 → 2026-03-26 · 2 obs

○ 2026-02-16 01:23:08
○ 2026-03-26 02:24:14

●A210.2.87.72017-01-04 → 2026-03-26 · 2 obs

● 2017-01-04 16:14:50
● 2026-03-26 02:24:14

🔍 DNS Trace

Analysis

Hierarchy

The parent of mail.congtythiennga.com is congtythiennga.com.

IP Addresses

congtythiennga.com points to a single IP number: 210.2.87.7.

Other host names, for instance thammyvienlolem.com, lephongtravel.com.vn, mail.congtythiennga.com, ctyhungthinhphat.com.vn and passionauto.vn share IP numbers with congtythiennga.com.

Name Servers

The domain congtythiennga.com is delegated to three name servers: ns1.nina.vn, ns2.nina.vn and ns3.nina.vn.

congtythiennga.com shares name servers with other domains at least partially, for instance banghecafegiare.com.vn, abtechvn.com, lovestore.com.vn, namico.vn and nhatvietbakery.com.vn.

these name servers are commonly used together with ns1.dotvndns.vn and ns4.nina.vn.

Host names with a single IP number:

ns1.nina.vn points to 112.213.89.3.

ns2.nina.vn points to 222.255.121.247.

ns3.nina.vn points to 112.213.89.22.

Mail Servers

The mail server for congtythiennga.com is mail.congtythiennga.com.

Host name mail.congtythiennga.com resolves to IP 210.2.87.7.

congtythiennga.com - robtex.com