`congchungdian.com`

DNSSEC	⚠️ Not signed
A	202.92.4.5^{🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN}
NS	`ns-master.inet.vn` ⭐
		A	202.92.4.8^{🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN}
NS	`ns1.binhduongnew.com` ⚠️ Not in zone NS records
NS	`ns1.inet.vn`
		A	2001:df7:ce00:1::7^{🇻🇳 VNPT-AS-VN2001:df7:ce00::/48 INETSOFT-VN Inet software one member company limited}
		A	202.92.4.25^{🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN}
NS	`ns2.inet.vn`
		A	2401:5f80:2001:4::30^{🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN}
		A	210.211.99.38^{🇻🇳 VTDC-AS-VN210.211.99.0/24 Proxy-registered route object}
SOA	`ns-master.inet.vn`postmaster@inet.vn 2015-07-28 #1

`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=1778319996

Subdomains

ns.congchungdian.com

mail.congchungdian.com

Same first word

congchungdian.vn

congchungdian.com

DNS History

14 records (5 active, 9 former)

○NSdns1.name-services.com2015-07-24 → 2015-07-24 · 3 obs

● 2015-07-24 01:44:52
○ 2015-11-19 05:34:42
○ 2026-05-09 09:55:22

○NSdns2.name-services.com2015-07-24 → 2015-07-24 · 3 obs

● 2015-07-24 01:44:52
○ 2015-11-19 05:34:42
○ 2026-05-09 09:55:22

○NSdns3.name-services.com2015-07-24 → 2015-07-24 · 3 obs

● 2015-07-24 01:44:52
○ 2015-11-19 05:34:42
○ 2026-05-09 09:55:22

○NSdns4.name-services.com2015-07-24 → 2015-07-24 · 3 obs

● 2015-07-24 01:44:52
○ 2015-11-19 05:34:42
○ 2026-05-09 09:55:22

○NSdns5.name-services.com2015-07-24 → 2015-07-24 · 3 obs

● 2015-07-24 01:44:52
○ 2015-11-19 05:34:42
○ 2026-05-09 09:55:22

●NSns-master.inet.vn2015-11-19 → 2026-05-09 · 5 obs

○ 2015-07-24 01:44:52
● 2015-11-19 05:34:42
○ 2016-01-11 22:35:54
● 2016-04-05 13:33:08
● 2026-05-09 09:55:22

○NSns.congchungdian.com2015-11-19 → 2016-05-15 · 7 obs

○ 2015-07-24 01:44:52
● 2015-11-19 05:34:42
● 2016-01-11 22:35:54
○ 2016-04-05 13:33:08
● 2016-05-15 08:58:32
○ 2017-09-26 00:19:56
○ 2026-05-09 09:55:22

●NSns1.binhduongnew.com2026-02-16 → 2026-05-09 · 3 obs

○ 2017-09-26 00:19:56
● 2026-02-16 12:34:44
● 2026-05-09 09:55:22

●NSns1.inet.vn2016-01-11 → 2026-05-09 · 6 obs

○ 2015-11-19 05:34:42
● 2016-01-11 22:35:54
● 2016-04-05 13:33:08
○ 2016-05-15 08:58:32
● 2017-09-26 00:19:56
● 2026-05-09 09:55:22

●NSns2.inet.vn2016-01-11 → 2026-05-09 · 6 obs

○ 2015-11-19 05:34:42
● 2016-01-11 22:35:54
● 2016-04-05 13:33:08
○ 2016-05-15 08:58:32
● 2017-09-26 00:19:56
● 2026-05-09 09:55:22

○MXmail.congchungdian.com2015-07-24 → 2016-05-15 · 7 obs

● 2015-07-24 01:44:52
○ 2015-11-19 05:34:42
● 2016-01-11 22:35:54
○ 2016-04-05 13:33:08
● 2016-05-15 08:58:32
○ 2017-09-26 00:19:56
○ 2026-05-09 09:55:22

○A123.30.104.412015-07-24 → 2016-01-11 · 5 obs

● 2015-07-24 01:44:52
○ 2015-11-19 05:34:42
● 2016-01-11 22:35:54
○ 2016-04-05 13:33:08
○ 2026-05-09 09:55:22

○A123.30.50.1112015-11-19 → 2017-09-26 · 7 obs

○ 2015-07-24 01:44:52
● 2015-11-19 05:34:42
○ 2016-01-11 22:35:54
● 2016-04-05 13:33:08
● 2017-09-26 00:19:56
○ 2026-02-16 12:34:44
○ 2026-05-09 09:55:22

●A202.92.4.52026-02-16 → 2026-05-09 · 3 obs

○ 2017-09-26 00:19:56
● 2026-02-16 12:34:44
● 2026-05-09 09:55:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, e.gtld-servers.net...	-
congchungdian.com	ns1.inet.vn, ns2.inet.vn, ns1.binhduongnew.com	1 record

✅ Authoritative Response

Server:202.92.4.25

NS records: ns1.inet.vn, ns2.inet.vn, ns1.binhduongnew.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for congchungdian.com (unsigned zone)

⏱️ Timing

Total: 3680ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.92.4.5`
NS	2	`ns1.inet.vn, ns2.inet.vn`
SOA	1	`ns-master.inet.vn postmaster.inet.vn`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns1.binhduongnew.com)

Analysis

Hierarchy

congchungdian.com is parent of ns.congchungdian.com and mail.congchungdian.com.

IP Addresses

congchungdian.com resolves to a single IP address: 202.92.4.5.

Other host names including centralworld-co.store, forum.com.vn, glqckforum.totolink.vn, aic.vn and dwatch.store share IP numbers with congchungdian.com.

Name Servers

congchungdian.com is delegated to four name servers: ns1.binhduongnew.com, ns-master.inet.vn, ns1.inet.vn and ns2.inet.vn.

congchungdian.com at least partially shares name servers with other domains, including congtyvesinhtravinh.com, thaimobihome.vn, suanhanh24h.com, landmap.com.vn and volam2.online.

These name servers are often used together with ns3.inet.vn.

Host names with two IP numbers:

ns1.inet.vn points to 2001:df7:ce00:1::7 and 202.92.4.25

ns2.inet.vn points to 2401:5f80:2001:4::30 and 210.211.99.38

Host names with one IP number:

ns-master.inet.vn points to 202.92.4.8

congchungdian.com - robtex.com