`congtyngananh.com`

DNSSEC	⚠️ Not signed
A	115.84.183.224^{🇻🇳 VTDC-AS-VN115.84.180.0/22 Proxy-registered route object}
		PTR	`183224.ninavietnam.info`
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.congtyngananh.com` ⭐
		A	115.84.183.224^{🇻🇳 VTDC-AS-VN115.84.180.0/22 Proxy-registered route object}
			PTR	`183224.ninavietnam.info`
TXT	`v=spf1 +a +mx +ip:115.84.183.224 ~all`
SOA	`ns1.nina.vn`hostmaster@congtyngananh.com 2022-05-20 #2

`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=1776205752

Subdomains

mail.congtyngananh.com

Same first word

congtyngananh.com

DNS History

10 records (5 active, 5 former)

○NSdns1.nsviet.net2015-07-07 → 2017-02-17 · 4 obs

● 2015-07-07 12:02:18
● 2017-02-17 10:23:24
○ 2026-02-15 16:30:14
○ 2026-04-14 22:48:58

○NSdns2.nsviet.net2015-07-07 → 2017-02-17 · 4 obs

● 2015-07-07 12:02:18
● 2017-02-17 10:23:24
○ 2026-02-15 16:30:14
○ 2026-04-14 22:48:58

○NSdns3.nsviet.net2015-07-07 → 2017-02-17 · 4 obs

● 2015-07-07 12:02:18
● 2017-02-17 10:23:24
○ 2026-02-15 16:30:14
○ 2026-04-14 22:48:58

○NSdns4.nsviet.net2015-07-07 → 2017-02-17 · 4 obs

● 2015-07-07 12:02:18
● 2017-02-17 10:23:24
○ 2026-02-15 16:30:14
○ 2026-04-14 22:48:58

●NSns1.nina.vn2026-02-15 → 2026-04-14 · 3 obs

○ 2017-02-17 10:23:24
● 2026-02-15 16:30:14
● 2026-04-14 22:48:58

●NSns2.nina.vn2026-02-15 → 2026-04-14 · 3 obs

○ 2017-02-17 10:23:24
● 2026-02-15 16:30:14
● 2026-04-14 22:48:58

●NSns3.nina.vn2026-02-15 → 2026-04-14 · 3 obs

○ 2017-02-17 10:23:24
● 2026-02-15 16:30:14
● 2026-04-14 22:48:58

●MXmail.congtyngananh.com2015-07-07 → 2026-04-14 · 2 obs

● 2015-07-07 12:02:18
● 2026-04-14 22:48:58

○A112.78.2.1312015-07-07 → 2017-02-17 · 4 obs

● 2015-07-07 12:02:18
● 2017-02-17 10:23:24
○ 2026-02-15 16:30:14
○ 2026-04-14 22:48:58

●A115.84.183.2242026-02-15 → 2026-04-14 · 3 obs

○ 2017-02-17 10:23:24
● 2026-02-15 16:30:14
● 2026-04-14 22:48:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net...	-
congtyngananh.com	ns1.nina.vn, ns2.nina.vn, ns3.nina.vn	-

✅ Authoritative Response

Server:112.213.89.22

NS records: ns1.nina.vn, ns2.nina.vn, ns3.nina.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for congtyngananh.com (unsigned zone)

⏱️ Timing

Total: 1007ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`115.84.183.224`
NS	3	`ns2.nina.vn, ns3.nina.vn...`
MX	1	`mail.congtyngananh.com (pri: 0)`
TXT	1	`v=spf1 +a +mx +ip:115.84.183.224 ~all`
SOA	1	`ns1.nina.vn hostmaster.congtyngananh.com`

Analysis

Hierarchy

The parent of mail.congtyngananh.com is congtyngananh.com.

IP Addresses

congtyngananh.com points to a single IP: 115.84.183.224.

Other host names, for instance 183224.ninavietnam.info, tandaiduongidea.com, noithatthienphat.com, nhaxuongtphcm.com and mail.giayvieta.com share IP numbers with congtyngananh.com.

Name Servers

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

congtyngananh.com partially shares name servers with other domains; examples include alucuanhomkinh.com, saigonfab.com, triduc.net, idolbarbershop.com and gachcaocap.net.vn.

These name servers are commonly used with ns1.dotvndns.vn, ns4.nina.vn and nsbak.pavietnam.net.

Host names with one IP number:

Host ns1.nina.vn points to 112.213.89.3.

Host ns2.nina.vn points to 222.255.121.247.

Host ns3.nina.vn points to 112.213.89.22.

Mail Servers

congtyngananh.com is handled by a single mail server, mail.congtyngananh.com.

mail.congtyngananh.com points to a single IP: 115.84.183.224.

congtyngananh.com - robtex.com