`congminhland.com`

DNSSEC	⚠️ Not signed
A	202.92.4.30^{🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN}
NS	`nsbak.pavietnam.net` ⭐
		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.pavietnam.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.pavietnam.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`
MX	`mail.congminhland.com` ⭐
		A	202.92.4.30^{🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN}
TXT	`v=spf1 a mx ~all`
SOA	`nsbak.pavietnam.net`hostmaster@congminhland.com 2025-04-16 #16

`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=1774651467

Previously MX for

congminhland.com

Subdomains

mail.congminhland.com

Same first word

congminhland.com

DNS History

13 records (5 active, 8 former)

○NS(root)2015-06-06 → 2017-01-16 · 5 obs

○ 2008-03-14 16:48:18
● 2015-06-06 14:08:28
● 2017-01-16 03:03:02
○ 2018-06-18 07:28:50
○ 2026-03-27 23:02:54

○NSns1.dotvndns.vn2018-06-18 → 2018-06-18 · 4 obs

○ 2017-01-16 03:03:02
● 2018-06-18 07:28:50
○ 2026-03-23 20:23:06
○ 2026-03-27 23:02:54

●NSns1.pavietnam.vn2018-06-18 → 2026-03-27 · 3 obs

○ 2017-01-16 03:03:02
● 2018-06-18 07:28:50
● 2026-03-27 23:02:54

○NSns1.vietnamnetweb.com2008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 16:48:18
○ 2015-06-06 14:08:28
○ 2026-03-27 23:02:54

●NSns2.pavietnam.vn2018-06-18 → 2026-03-27 · 3 obs

○ 2017-01-16 03:03:02
● 2018-06-18 07:28:50
● 2026-03-27 23:02:54

○NSns2.vietnamnetweb.com2008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 16:48:18
○ 2015-06-06 14:08:28
○ 2026-03-27 23:02:54

●NSnsbak.pavietnam.net2018-06-18 → 2026-03-27 · 3 obs

○ 2017-01-16 03:03:02
● 2018-06-18 07:28:50
● 2026-03-27 23:02:54

○MXcongminhland.com2008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 16:48:18
○ 2015-06-06 14:08:28
○ 2026-03-27 23:02:54

●MXmail.congminhland.com2015-06-06 → 2026-03-27 · 3 obs

○ 2008-03-14 16:48:18
● 2015-06-06 14:08:28
● 2026-03-27 23:02:54

○A103.7.43.2272018-06-18 → 2018-06-18 · 4 obs

○ 2017-01-16 03:03:02
● 2018-06-18 07:28:50
○ 2026-03-23 20:23:06
○ 2026-03-27 23:02:54

○A112.213.89.752015-06-06 → 2017-01-16 · 5 obs

○ 2008-03-14 16:48:18
● 2015-06-06 14:08:28
● 2017-01-16 03:03:02
○ 2018-06-18 07:28:50
○ 2026-03-27 23:02:54

●A202.92.4.302026-03-23 → 2026-03-27 · 3 obs

○ 2018-06-18 07:28:50
● 2026-03-23 20:23:06
● 2026-03-27 23:02:54

○A203.171.31.1992008-03-14 → 2008-03-14 · 3 obs

● 2008-03-14 16:48:18
○ 2015-06-06 14:08:28
○ 2026-03-27 23:02:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
congminhland.com	nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn	-

✅ Authoritative Response

Server:112.213.89.22

NS records: nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for congminhland.com (unsigned zone)

⏱️ Timing

Total: 1487ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.92.4.30`
NS	3	`ns2.pavietnam.vn, ns1.pavietnam.vn...`
MX	1	`mail.congminhland.com (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`nsbak.pavietnam.net hostmaster.congminhl`

Analysis

Hierarchy

The parent of mail.congminhland.com is congminhland.com.

IP Addresses

congminhland.com points to a single IP number: 202.92.4.30.

Other host names, for instance rubyvn.com, webprovn.net, www.smnet.vn, aquariumlove.com and lelinh.com.vn share IP numbers with congminhland.com.

Name Servers

The domain congminhland.com is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.

congminhland.com shares name servers with other domains at least partially, for instance aveo-global.com, kienthucmarketing.edu.vn, vietcombank.com.vn, hadotechnet.com and conasi.vn.

These name servers are commonly used with ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com and ns3.dotvndns.vn.

Host names with two IP numbers:

nsbak.pavietnam.net points to 2406:9c80::9000:302 and 112.213.89.22

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

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

Mail Servers

The mail server for congminhland.com is mail.congminhland.com.

Host name mail.congminhland.com resolves to IP 202.92.4.30.

congminhland.com - robtex.com