`cotdoxangdau.com`

DNSSEC	⚠️ Not signed
A	192.0.78.156^{🇺🇸 Automattic192.0.78.0/24 Route Object}
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.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	`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.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.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`
MX	`mr.pavietnam.vn` ⭐
		A	222.255.121.227^{🇻🇳 VDC222.255.121.0/24 VNPT}
			PTR	`mailserver5.pavietnam.net`
			PTR	`mr.dotvndns.vn`
			PTR	`mailserver5.pavietnam.vn`
			PTR	`mr.pavietnam.vn`
TXT	`v=spf1 a mx ~all`
SOA	`nsbak.pavietnam.net`hostmaster@cotdoxangdau.com 2025-04-28 #14

`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=1774739442

Same first word

cotdoxangdau.com

DNS History

7 records (7 active, 0 former)

●NSns1.dotvndns.vn2026-03-11 → 2026-03-28 · 2 obs

● 2026-03-11 15:47:20
● 2026-03-28 23:13:40

●NSns1.pavietnam.vn2026-03-11 → 2026-03-28 · 2 obs

● 2026-03-11 15:47:20
● 2026-03-28 23:13:40

●NSns2.dotvndns.vn2026-03-11 → 2026-03-28 · 2 obs

● 2026-03-11 15:47:20
● 2026-03-28 23:13:40

●NSnsbak.dotvndns.com2026-03-11 → 2026-03-28 · 2 obs

● 2026-03-11 15:47:20
● 2026-03-28 23:13:40

●NSnsbak.pavietnam.net2026-03-11 → 2026-03-28 · 2 obs

● 2026-03-11 15:47:20
● 2026-03-28 23:13:40

●MXmr.pavietnam.vn2026-03-11 → 2026-03-28 · 2 obs

● 2026-03-11 15:47:20
● 2026-03-28 23:13:40

●A192.0.78.1562026-03-11 → 2026-03-28 · 2 obs

● 2026-03-11 15:47:20
● 2026-03-28 23:13:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
cotdoxangdau.com	nsbak.pavietnam.net, nsbak.dotvndns.com, ns1.pavietnam.vn, ns1.dotvndns.vn...	2 records

✅ Authoritative Response

Server:112.213.89.22

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cotdoxangdau.com (unsigned zone)

⏱️ Timing

Total: 1749ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.0.78.156`
NS	5	`nsbak.pavietnam.net, nsbak.dotvndns.com...`
MX	1	`mr.pavietnam.vn (pri: 10)`
TXT	1	`v=spf1 a mx ~all`
SOA	1	`nsbak.pavietnam.net hostmaster.cotdoxang`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

cotdoxangdau.com points to IP number 192.0.78.156.

For instance, other host names theteafairy.org, flexyourcyber.com, techbeamers.com, sefcb.co and workwithdreparker.com share IP numbers with cotdoxangdau.com.

Name Servers

cotdoxangdau.com is delegated to five name servers: nsbak.dotvndns.com, nsbak.pavietnam.net, ns1.dotvndns.vn, ns2.dotvndns.vn and ns1.pavietnam.vn.

cotdoxangdau.com shares name servers with other domains at least partially, for example sivip.vn, tcons.build, niviennguyenkhong.com, hanvietroll.com and laviewater.net.

These name servers are commonly used with the name servers ns2.pavietnam.vn and ns3.dotvndns.vn.

Host names with two IPs

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

nsbak.pavietnam.net 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

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

Host names pointing to 2406:9c80::9000:302: nsbak.dotvndns.com and nsbak.pavietnam.net

Host names pointing to 112.213.89.22: nsbak.dotvndns.com and nsbak.pavietnam.net

Host names pointing to 2406:9c80::66: ns1.dotvndns.vn and ns1.pavietnam.vn

Host names pointing to 112.213.89.3: ns1.dotvndns.vn and ns1.pavietnam.vn

Mail Servers

cotdoxangdau.com is handled by a single mail server, mr.pavietnam.vn.

cotdoxangdau.com shares the same mail server setup as other domains, for instance taman247.com, adgps.vn, btvietnam.com, phoxinh.com.vn and ciscochinhhang.com.

cotdoxangdau.com shares mail servers with other domains at least partially; for instance tgpmedia.net, gachmalai.com, hotsale.vn, nhanhmua.vn and okay.com.vn.

these mail servers are often used together with mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

mr.pavietnam.vn points to a single IP: 222.255.121.227.

cotdoxangdau.com - robtex.com