`congchungvien.com`

DNSSEC	⚠️ Not signed
A	112.213.89.38^{🇻🇳 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	`ns8938.dotvndns.vn`
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	`nsbak.pavietnam.vn`
		A	2406:9c80::9000:302^{🇻🇳 SUPERDATA2406:9c80::/48 -VN}
			PTR	`nsbak.dotvndns.com`
		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`
MX	`mx.yandex.net` ⭐
		A	2a02:6b8::311^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
		A	77.88.21.249^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
TXT	`v=spf1 redirect=_spf.yandex.net`
TXT	`yandex-verification: e906faa7b6fc468d`
SOA	`nsbak.dotvndns.com`hostmaster@congchungvien.com 2025-07-09 #17

`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=1776292342

Same first word

congchungvien.com

DNS History

7 records (6 active, 1 former)

●NSns1.dotvndns.vn2018-10-01 → 2026-04-15 · 2 obs

● 2018-10-01 07:31:24
● 2026-04-15 22:33:10

●NSns2.dotvndns.vn2018-10-01 → 2026-04-15 · 2 obs

● 2018-10-01 07:31:24
● 2026-04-15 22:33:10

●NSnsbak.dotvndns.com2018-10-01 → 2026-04-15 · 2 obs

● 2018-10-01 07:31:24
● 2026-04-15 22:33:10

●NSnsbak.pavietnam.vn2018-10-01 → 2026-04-15 · 2 obs

● 2018-10-01 07:31:24
● 2026-04-15 22:33:10

●MXmx.yandex.net2026-04-15 → 2026-04-15 · 1 obs

● 2026-04-15 22:33:10

●A112.213.89.382026-04-15 → 2026-04-15 · 2 obs

○ 2018-10-01 07:31:24
● 2026-04-15 22:33:10

○A27.118.20.2362018-10-01 → 2018-10-01 · 2 obs

● 2018-10-01 07:31:24
○ 2026-04-15 22:33:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net...	-
congchungvien.com	nsbak.dotvndns.com, nsbak.pavietnam.vn, ns1.dotvndns.vn, ns2.dotvndns.vn	2 records

✅ Authoritative Response

Server:112.213.89.22

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for congchungvien.com (unsigned zone)

⏱️ Timing

Total: 1572ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`112.213.89.38`
NS	4	`ns2.dotvndns.vn, nsbak.dotvndns.com...`
MX	1	`mx.yandex.net (pri: 0)`
TXT	2	`v=spf1 redirect=_spf.yandex.net, yandex-verification: e906faa7b6fc468d`
SOA	1	`nsbak.dotvndns.com hostmaster.congchungv`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

congchungvien.com points to a single IP: 112.213.89.38.

Other host names, for instance www.vix.vn, kobionsenresorthue.com, fujiton.net, danhsachden.info and mayhai.com.vn share IP numbers with congchungvien.com.

Name Servers

congchungvien.com's delegation is handled by four name servers: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn and nsbak.pavietnam.vn.

congchungvien.com partially shares name servers with other domains; examples include sonhaivan.com, thanks.vn, co-opbank.vn, hanoicorner.vn and inoxhoa.com.

These name servers are commonly used with ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net, dnsbak.pavietnam.vn, ns3.dotvndns.vn 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.

nsbak.pavietnam.vn points to: 2406:9c80::9000:302 and 112.213.89.3.

Host names that point to 2406:9c80::9000:302: nsbak.dotvndns.com and nsbak.pavietnam.vn.

Host names that point to 112.213.89.3: ns1.dotvndns.vn and nsbak.pavietnam.vn.

Note: IPs 2406:9c80::9000:302 and 112.213.89.3 appear as destinations for multiple hosts.

Mail Servers

congchungvien.com is handled by a single mail server, mx.yandex.net.

congchungvien.com has the same mail server setup as other domains, including zanorda.kz, 925.xn--p1ai, optidin.ru, sovetnikov.ru and emperadorinsaat.com.

congchungvien.com shares some mail servers with other domains, for example boop.li, online.forda.ru and sedircam.com.tr.

Host mx.yandex.net resolves to two IPs: 2a02:6b8::311 and 77.88.21.249.

congchungvien.com - robtex.com