`congchungdongda.com`

DNSSEC	⚠️ Not signed
A	103.130.218.206^{🇻🇳 WEBICO-AS-VN103.130.218.0/23 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	`vps16.saomocmedia.com`
NS	`nsbak.dotvndns.com` ⭐
		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.dotvndns.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.dotvndns.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	`ns3.dotvndns.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`
SOA	`nsbak.dotvndns.com`hostmaster@congchungdongda.com 2025-06-30 #6

`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=1776111922

Same first word

congchungdongda.com

DNS History

13 records (5 active, 8 former)

○NSns.congchungdongda.com2015-08-21 → 2016-03-12 · 4 obs

● 2015-08-21 15:31:24
● 2016-03-12 05:35:54
○ 2016-05-12 06:31:36
○ 2026-04-13 20:55:30

●NSns1.dotvndns.vn2026-03-29 → 2026-04-13 · 3 obs

○ 2018-10-07 22:05:36
● 2026-03-29 08:42:58
● 2026-04-13 20:55:30

○NSns1.tenten.vn2016-07-09 → 2018-10-07 · 5 obs

○ 2016-05-12 06:31:36
● 2016-07-09 17:51:00
● 2018-10-07 22:05:36
○ 2026-03-29 08:42:58
○ 2026-04-13 20:55:30

○NSns1.tenten.vn.congchungdongda.com2016-07-09 → 2018-10-07 · 5 obs

○ 2016-05-12 06:31:36
● 2016-07-09 17:51:00
● 2018-10-07 22:05:36
○ 2026-03-29 08:42:58
○ 2026-04-13 20:55:30

●NSns2.dotvndns.vn2026-03-29 → 2026-04-13 · 3 obs

○ 2018-10-07 22:05:36
● 2026-03-29 08:42:58
● 2026-04-13 20:55:30

○NSns2.tenten.vn2016-07-09 → 2018-10-07 · 5 obs

○ 2016-05-12 06:31:36
● 2016-07-09 17:51:00
● 2018-10-07 22:05:36
○ 2026-03-29 08:42:58
○ 2026-04-13 20:55:30

●NSns3.dotvndns.vn2026-03-29 → 2026-04-13 · 3 obs

○ 2018-10-07 22:05:36
● 2026-03-29 08:42:58
● 2026-04-13 20:55:30

○NSns3.tenten.vn2016-07-09 → 2018-10-07 · 5 obs

○ 2016-05-12 06:31:36
● 2016-07-09 17:51:00
● 2018-10-07 22:05:36
○ 2026-03-29 08:42:58
○ 2026-04-13 20:55:30

●NSnsbak.dotvndns.com2026-03-29 → 2026-04-13 · 3 obs

○ 2018-10-07 22:05:36
● 2026-03-29 08:42:58
● 2026-04-13 20:55:30

○MXmail.congchungdongda.com2015-08-21 → 2018-10-07 · 8 obs

● 2015-08-21 15:31:24
● 2016-03-12 05:35:54
○ 2016-05-12 06:31:36
○ 2016-06-13 05:18:38
● 2016-07-09 17:51:00
● 2018-10-07 22:05:36
○ 2026-03-29 08:42:58
○ 2026-04-13 20:55:30

●A103.130.218.2062026-03-29 → 2026-04-13 · 3 obs

○ 2018-10-07 22:05:36
● 2026-03-29 08:42:58
● 2026-04-13 20:55:30

○A103.27.61.352016-07-09 → 2018-10-07 · 5 obs

○ 2016-05-12 06:31:36
● 2016-07-09 17:51:00
● 2018-10-07 22:05:36
○ 2026-03-29 08:42:58
○ 2026-04-13 20:55:30

○A115.146.123.2462015-08-21 → 2016-03-12 · 4 obs

● 2015-08-21 15:31:24
● 2016-03-12 05:35:54
○ 2016-05-12 06:31:36
○ 2026-04-13 20:55:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net...	-
congchungdongda.com	nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn, ns3.dotvndns.vn	2 records

✅ Authoritative Response

Server:222.255.121.247

NS records: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn, ns3.dotvndns.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for congchungdongda.com (unsigned zone)

⏱️ Timing

Total: 1404ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.130.218.206`
NS	4	`ns1.dotvndns.vn, nsbak.dotvndns.com...`
SOA	1	`nsbak.dotvndns.com hostmaster.congchungd`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (nsbak.dotvndns.com, nsbak.dotvndns.com)

Analysis

IP Addresses

congchungdongda.com resolves to one IP number: 103.130.218.206.

Other host names, for instance noithatxt.com, probuy.com.vn, dichvubaoveanviet.vn, maybienthehbt.com.vn and mail.noithatxt.com share IP numbers with congchungdongda.com.

Name Servers

congchungdongda.com delegates to four name servers: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn and ns3.dotvndns.vn.

congchungdongda.com at least partially shares name servers with other domains, including ringier.com.vn, atinza.com, maruishi-cycle.vn, hiephoidoanhnghiep.vn and trungtamdaylaixeoto.com.

These name servers are commonly used together with the name servers ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net and ns4.dotvndns.vn.

Host names with two IP numbers:

nsbak.dotvndns.com points to 2406:9c80::9000:302 and 112.213.89.22

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

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

Host names with one IP number:

ns3.dotvndns.vn points to 112.213.89.22

Host names that point to 112.213.89.22:

nsbak.dotvndns.com and ns3.dotvndns.vn

congchungdongda.com - robtex.com