`caotoanthang.com`

DNSSEC	⚠️ Not signed
A	45.252.248.191^{🇻🇳 AZDIGI-AS-VN45.252.248.0/22 AZDIGI-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	`mail92185.maychuemail.com` ⭐
		A	112.213.92.185^{🇻🇳 SUPERDATA112.213.92.0/24 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	`mail92185.maychuemail.com`
MX	`mx92185.maychuemail.net`⁽¹⁰⁾
		A	112.213.92.185^{🇻🇳 SUPERDATA112.213.92.0/24 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	`mail92185.maychuemail.com`
TXT	`v=spf1 +a +mx +ip4:112.213.92.185 ~all`
TXT	`google-site-verification=u_NSwunKmtRQuuYP96vX1ccCX-IQLQcIAT5IbWp5cag`
SOA	`nsbak.dotvndns.com`hostmaster@caotoanthang.com 2025-11-30 #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=1776310747

Same first word

caotoanthang.com

Similar names

chattanoogan.net

chattanoogan.com

DNS History

10 records (7 active, 3 former)

●NSns1.dotvndns.vn2019-12-18 → 2026-04-16 · 2 obs

● 2019-12-18 02:14:18
● 2026-04-16 04:09:06

●NSns2.dotvndns.vn2019-12-18 → 2026-04-16 · 2 obs

● 2019-12-18 02:14:18
● 2026-04-16 04:09:06

●NSns3.dotvndns.vn2019-12-18 → 2026-04-16 · 2 obs

● 2019-12-18 02:14:18
● 2026-04-16 04:09:06

●NSnsbak.dotvndns.com2019-12-18 → 2026-04-16 · 2 obs

● 2019-12-18 02:14:18
● 2026-04-16 04:09:06

○MXmail92100.maychuemail.com2019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 02:14:18
○ 2026-03-26 22:51:22
○ 2026-04-16 04:09:06

●MXmail92185.maychuemail.com2026-03-26 → 2026-04-16 · 3 obs

○ 2019-12-18 02:14:18
● 2026-03-26 22:51:22
● 2026-04-16 04:09:06

○MXmx92100.maychuemail.net2019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 02:14:18
○ 2026-03-26 22:51:22
○ 2026-04-16 04:09:06

●MXmx92185.maychuemail.net2026-03-26 → 2026-04-16 · 3 obs

○ 2019-12-18 02:14:18
● 2026-03-26 22:51:22
● 2026-04-16 04:09:06

○A103.77.167.212019-12-18 → 2019-12-18 · 3 obs

● 2019-12-18 02:14:18
○ 2026-03-26 22:51:22
○ 2026-04-16 04:09:06

●A45.252.248.1912026-03-26 → 2026-04-16 · 3 obs

○ 2019-12-18 02:14:18
● 2026-03-26 22:51:22
● 2026-04-16 04:09:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net...	-
caotoanthang.com	nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn, ns3.dotvndns.vn	2 records

✅ Authoritative Response

Server:112.213.89.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for caotoanthang.com (unsigned zone)

⏱️ Timing

Total: 1612ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.252.248.191`
NS	4	`ns1.dotvndns.vn, ns3.dotvndns.vn...`
MX	2	`mx92185.maychuemail.net (pri: 10), mail92185.maychuemail.com (pri: 5)`
TXT	2	`google-site-verification=u_NSwunKmtRQuuY, v=spf1 +a +mx +ip4:112.213.92.185 ~all`
SOA	1	`nsbak.dotvndns.com hostmaster.caotoantha`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

caotoanthang.com points to a single IP number: 45.252.248.191.

Other host names, for instance www.tamlong.com.vn, songnguyen.vn, tamlong.com.vn, viendaotao.vn and ntblog.net share IP numbers with caotoanthang.com.

Name Servers

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

caotoanthang.com at least partially shares name servers with other domains, for instance tramhuongdana.com, itviet-hcm.com, indianfoodcart.com, bluewayvn.com and gal.com.vn.

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

Host names with two IP numbers:

nsbak.dotvndns.com 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

Host names with one IP number:

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

caotoanthang.com is handled by two mail servers: mail92185.maychuemail.com and mx92185.maychuemail.net.

caotoanthang.com uses the same mail server configuration as other domains, such as thienhaisoft.com, trithien.com, rtm-vn.com, vngco.com.vn and vinasas.vn.

caotoanthang.com shares mail servers with other domains at least in part, for instance saigonshipvn.com, aliburesort.com, trivietpower.vn, luxmage.com and anjaresort.com.

Host names sharing a single IP:

mail92185.maychuemail.com points to 112.213.92.185

mx92185.maychuemail.net points to 112.213.92.185

Host names that point to 112.213.92.185: mail92185.maychuemail.com and mx92185.maychuemail.net

caotoanthang.com - robtex.com