`chongthamdaphat.com`

DNSSEC	⚠️ Not signed
A	103.82.21.170^{🇻🇳 VNPT-AS-VN103.82.20.0/22 INETACADEMY-AS-VN}
		PTR	`103.82.21.170.cloudfly.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	`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`
MX	`mail.chongthamdaphat.com` ⭐
		A	103.82.21.170^{🇻🇳 VNPT-AS-VN103.82.20.0/22 INETACADEMY-AS-VN}
			PTR	`103.82.21.170.cloudfly.vn`
TXT	`google-site-verification=gmnkx0ONwjg-VfEOUm1AnUK_9xOFiKTMgacx6HJMT5k`
TXT	`v=spf1 ip4:103.82.21.170 a mx include:_spf.google.com ~all`
SOA	`nsbak.dotvndns.com`hostmaster@chongthamdaphat.com 2026-01-29 #9

`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=1771291435

Previously MX for

chongthamdaphat.com

Subdomains

mail.chongthamdaphat.com

Same first word

chongthamdaphat.com

DNS History

11 records (6 active, 5 former)

○NScp187109.bkns.com.vn2018-06-09 → 2018-06-09 · 3 obs

● 2018-06-09 19:04:56
○ 2026-02-15 22:52:38
○ 2026-03-24 05:49:12

●NSns1.dotvndns.vn2026-02-15 → 2026-03-24 · 3 obs

○ 2018-06-09 19:04:56
● 2026-02-15 22:52:38
● 2026-03-24 05:49:12

○NSns187109.bkns.com.vn2018-06-09 → 2018-06-09 · 3 obs

● 2018-06-09 19:04:56
○ 2026-02-15 22:52:38
○ 2026-03-24 05:49:12

●NSns2.dotvndns.vn2026-02-15 → 2026-03-24 · 3 obs

○ 2018-06-09 19:04:56
● 2026-02-15 22:52:38
● 2026-03-24 05:49:12

●NSns3.dotvndns.vn2026-02-15 → 2026-03-24 · 3 obs

○ 2018-06-09 19:04:56
● 2026-02-15 22:52:38
● 2026-03-24 05:49:12

●NSnsbak.dotvndns.com2026-02-15 → 2026-03-24 · 3 obs

○ 2018-06-09 19:04:56
● 2026-02-15 22:52:38
● 2026-03-24 05:49:12

○MXchongthamdaphat.com2018-06-09 → 2018-06-09 · 3 obs

● 2018-06-09 19:04:56
○ 2026-02-15 22:52:38
○ 2026-03-24 05:49:12

●MXmail.chongthamdaphat.com2026-02-15 → 2026-03-24 · 3 obs

○ 2018-06-09 19:04:56
● 2026-02-15 22:52:38
● 2026-03-24 05:49:12

○A103.74.123.182018-06-09 → 2018-06-09 · 3 obs

● 2018-06-09 19:04:56
○ 2026-02-15 22:52:38
○ 2026-03-24 05:49:12

○A103.82.194.1602026-02-15 → 2026-03-24 · 2 obs

○ 2026-02-15 22:52:38
○ 2026-03-24 05:49:12

●A103.82.21.1702026-02-15 → 2026-03-24 · 3 obs

○ 2018-06-09 19:04:56
● 2026-02-15 22:52:38
● 2026-03-24 05:49:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
chongthamdaphat.com	nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn, ns3.dotvndns.vn	2 records

✅ Authoritative Response

Server:112.213.89.22

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chongthamdaphat.com (unsigned zone)

⏱️ Timing

Total: 3082ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.82.21.170`
NS	4	`ns3.dotvndns.vn, ns1.dotvndns.vn...`
MX	1	`mail.chongthamdaphat.com (pri: 10)`
TXT	2	`google-site-verification=gmnkx0ONwjg-VfE, v=spf1 ip4:103.82.21.170 a mx include:_s`
SOA	1	`nsbak.dotvndns.com hostmaster.chongthamd`

📌 Glue Records Collected

Total: 2

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

Analysis

Hierarchy

chongthamdaphat.com is parent of mail.chongthamdaphat.com.

IP Addresses

chongthamdaphat.com points to a single IP: 103.82.21.170.

Other host names, for instance toancaupumps.com, cid-vn.com, mail.matkinhanhkhoa.com, diencodian.com and mail.garageductho.com share IP numbers with chongthamdaphat.com.

Name Servers

chongthamdaphat.com is delegated to four name servers: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn and ns3.dotvndns.vn.

chongthamdaphat.com at least partially shares its name servers with other domains, for instance we-con.vn, hoahuongduongschool.edu.vn, vespa.net.vn, sieusim.net and tantienvet.com.

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

Host names with two IP numbers:

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

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

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

Host names with one IP number:

The host name 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.

Mail Servers

chongthamdaphat.com is served by a single mail server, mail.chongthamdaphat.com.

mail.chongthamdaphat.com points to IP number 103.82.21.170.

chongthamdaphat.com - robtex.com