`chualanhtamthuc.com`

DNSSEC	⚠️ Not signed
A	210.211.118.238^{🇻🇳 VTDC-AS-VN210.211.112.0/21 Proxy-registered route object}
		PTR	`118238.ninavietnam.info`
NS	`ns1.nina.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.nina.vn`
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
NS	`ns3.nina.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	`ns1.nina.vn`hostmaster@chualanhtamthuc.com 2025-07-30 #2

`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=1778332861

Same first word

chualanhtamthuc.com

DNS History

11 records (4 active, 7 former)

●NSns1.nina.vn2026-05-01 → 2026-05-09 · 3 obs

○ 2018-06-19 18:56:38
● 2026-05-01 12:45:08
● 2026-05-09 13:47:36

○NSns1.tenten.vn2018-06-19 → 2018-06-19 · 3 obs

● 2018-06-19 18:56:38
○ 2026-05-01 12:45:08
○ 2026-05-09 13:47:36

●NSns2.nina.vn2026-05-01 → 2026-05-09 · 3 obs

○ 2018-06-19 18:56:38
● 2026-05-01 12:45:08
● 2026-05-09 13:47:36

○NSns2.tenten.vn2018-06-19 → 2018-06-19 · 3 obs

● 2018-06-19 18:56:38
○ 2026-05-01 12:45:08
○ 2026-05-09 13:47:36

●NSns3.nina.vn2026-05-01 → 2026-05-09 · 3 obs

○ 2018-06-19 18:56:38
● 2026-05-01 12:45:08
● 2026-05-09 13:47:36

○NSns3.tenten.vn2018-06-19 → 2018-06-19 · 3 obs

● 2018-06-19 18:56:38
○ 2026-05-01 12:45:08
○ 2026-05-09 13:47:36

●A210.211.118.2382026-05-01 → 2026-05-09 · 3 obs

○ 2018-06-19 18:56:38
● 2026-05-01 12:45:08
● 2026-05-09 13:47:36

○A216.239.32.212018-06-19 → 2018-06-19 · 3 obs

● 2018-06-19 18:56:38
○ 2026-05-01 12:45:08
○ 2026-05-09 13:47:36

○A216.239.34.212018-06-19 → 2018-06-19 · 3 obs

● 2018-06-19 18:56:38
○ 2026-05-01 12:45:08
○ 2026-05-09 13:47:36

○A216.239.36.212018-06-19 → 2018-06-19 · 3 obs

● 2018-06-19 18:56:38
○ 2026-05-01 12:45:08
○ 2026-05-09 13:47:36

○A216.239.38.212018-06-19 → 2018-06-19 · 3 obs

● 2018-06-19 18:56:38
○ 2026-05-01 12:45:08
○ 2026-05-09 13:47:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...	-
chualanhtamthuc.com	ns1.nina.vn, ns2.nina.vn, ns3.nina.vn	-

✅ Authoritative Response

Server:112.213.89.3

NS records: ns1.nina.vn, ns2.nina.vn, ns3.nina.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for chualanhtamthuc.com (unsigned zone)

⏱️ Timing

Total: 986ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.211.118.238`
NS	3	`ns3.nina.vn, ns1.nina.vn...`
SOA	1	`ns1.nina.vn hostmaster.chualanhtamthuc.c`

Analysis

IP Addresses

chualanhtamthuc.com points to a single IP number: 210.211.118.238.

Other host names, for instance paf.vn, mail.tudienhcm.com, haisansongmangve.com, apall.com.vn and what.website.hostmaster.chachacha.edu.vn share IP numbers with chualanhtamthuc.com.

Name Servers

The delegation for chualanhtamthuc.com is handled by three name servers: ns1.nina.vn, ns2.nina.vn and ns3.nina.vn.

chualanhtamthuc.com at least partially shares name servers with other domains, for instance tramsuckhoexanh.com, triminh.net, ngocthanhnam.com, hoachatcongnghiepkeodanbaohuy.com and cokhituannam.com.vn.

These name servers are commonly used alongside ns1.dotvndns.vn, ns4.nina.vn, ns1.nasani.vn and ns2.nasani.vn.

Host names with one IP number:

ns1.nina.vn points to 112.213.89.3.

ns2.nina.vn points to 222.255.121.247.

ns3.nina.vn points to 112.213.89.22.

chualanhtamthuc.com - robtex.com