`cotdentrangtri.vn`

DNSSEC	⚠️ Not signed
A	103.3.247.7^{🇻🇳 BKNS-AS-VN103.3.247.0/24 VDATA-VN}
		PTR	`static.bkdata.vn`
NS	`ns1.dkt.com.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	`ns1.sapo.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.sapo.vn`
		A	222.255.121.247^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`static.vdc.vn`
			PTR	`static.vnpt.vn`
MX	`mail.cotdentrangtri.vn` ⭐
		A	103.48.81.45^{🇻🇳 VNPT-AS-VN103.48.80.0/22 BKNS-VN}
			PTR	`ln81041.bkns.com.vn`
TXT	`v=spf1 a mx ~all`
SOA	`ns1.dkt.com.vn`hostmaster@cotdentrangtri.vn 2026-02-27 #8

`vn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn`
	NS	`b.dns-servers.vn`
	NS	`c.dns-servers.vn`
	NS	`d.dns-servers.vn`
	NS	`e.dns-servers.vn`
	NS	`f.dns-servers.vn`
	NS	`g.dns-servers.vn`
	NS	`h.dns-servers.vn`
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2030774256

Subdomains

www.cotdentrangtri.vn

mail.cotdentrangtri.vn

Same first word

cotdentrangtri.vn

DNS History

5 records (5 active, 0 former)

●NSns1.dkt.com.vn2026-05-01 → 2026-05-14 · 2 obs

● 2026-05-01 14:34:56
● 2026-05-14 22:25:18

●NSns1.sapo.vn2026-05-01 → 2026-05-14 · 2 obs

● 2026-05-01 14:34:56
● 2026-05-14 22:25:18

●NSns2.sapo.vn2026-05-01 → 2026-05-14 · 2 obs

● 2026-05-01 14:34:56
● 2026-05-14 22:25:18

●MXmail.cotdentrangtri.vn2026-05-01 → 2026-05-14 · 2 obs

● 2026-05-01 14:34:56
● 2026-05-14 22:25:18

●A103.3.247.72026-05-01 → 2026-05-14 · 2 obs

● 2026-05-01 14:34:56
● 2026-05-14 22:25:18

🔍 DNS Trace

Analysis

Hierarchy

cotdentrangtri.vn is a parent of www.cotdentrangtri.vn and mail.cotdentrangtri.vn.

IP Addresses

cotdentrangtri.vn points to IP number 103.3.247.7.

For instance, other host names cpcalendars.ruouthegioi.com.vn, cpanel.vonframachau.com.vn, www.nacos.vn, cpanel.ruouthegioi.com.vn and www.hahung.com.vn share IP numbers with cotdentrangtri.vn.

Name Servers

The delegation for cotdentrangtri.vn is handled by three name servers: ns1.sapo.vn, ns2.sapo.vn and ns1.dkt.com.vn.

cotdentrangtri.vn shares name servers with other domains at least partially, for example halglass.vn, thinhnamtien.com, sussi.vn, giaphatbattery.com and battrangceramics.com.vn.

these name servers are commonly paired with ns2.dkt.com.vn, ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.pavietnam.vn, ns1.pavietnam.vn, nsbak.pavietnam.net and ns2.pavietnam.vn.

Host names with a single IP:

ns1.sapo.vn points to 112.213.89.3

ns2.sapo.vn points to 222.255.121.247

ns1.dkt.com.vn points to 112.213.89.3

Host names that point to 112.213.89.3: ns1.sapo.vn and ns1.dkt.com.vn

Mail Servers

cotdentrangtri.vn is handled by a single mail server, mail.cotdentrangtri.vn.

mail.cotdentrangtri.vn points to a single IP: 103.48.81.45.

cotdentrangtri.vn - robtex.com