`dhtco.com.vn`

DNSSEC	⚠️ Not signed
A	103.77.162.7^{🇻🇳 SUPERDATA103.77.162.0/24 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	`yokohama.maychu.cloud`
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.pavietnam.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.pavietnam.net` ⚠️ Not in zone NS records
		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	`mail93239.maychuemail.com` ⭐
		A	112.213.93.239^{🇻🇳 SUPERDATA112.213.93.0/24 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	`mail93239.maychuemail.com`
MX	`mx93239.maychuemail.net`⁽¹⁰⁾
		A	112.213.93.239^{🇻🇳 SUPERDATA112.213.93.0/24 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	`mail93239.maychuemail.com`
TXT	`google-site-verification=TRZ-Cnfovg4DazWYqxC4SpMf-xRUcuczhhiUQlwnbac`
TXT	`v=spf1 include:spf.maychuemail.com ~all`
TXT	`MS=ms83306017`
SOA	`ns1.pavietnam.vn`hostmaster@dhtco.com.vn 2025-03-29 #40

`com.vn`

	DNSSEC	⚠️ Not signed
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`b.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`c.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`d.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`e.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`f.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`g.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`h.dns-servers.vn` ⚠️ Not in parent delegation
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2022711899

Same first word

dhtco.com

dhtco.com.vn

dhtco.kr

dhtco.vn

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DNS History

9 records (6 active, 3 former)

●NSns1.pavietnam.vn2020-03-22 → 2026-05-12 · 2 obs

● 2020-03-22 22:24:00
● 2026-05-12 10:57:10

●NSns2.pavietnam.vn2020-03-22 → 2026-05-12 · 2 obs

● 2020-03-22 22:24:00
● 2026-05-12 10:57:10

●NSnsbak.pavietnam.net2026-05-06 → 2026-05-12 · 3 obs

○ 2020-03-22 22:24:00
● 2026-05-06 22:24:02
● 2026-05-12 10:57:10

○MXmail92185.maychuemail.com2020-03-22 → 2020-03-22 · 3 obs

● 2020-03-22 22:24:00
○ 2026-05-06 22:24:02
○ 2026-05-12 10:57:10

●MXmail93239.maychuemail.com2026-05-06 → 2026-05-12 · 3 obs

○ 2020-03-22 22:24:00
● 2026-05-06 22:24:02
● 2026-05-12 10:57:10

○MXmx92185.maychuemail.net2020-03-22 → 2020-03-22 · 3 obs

● 2020-03-22 22:24:00
○ 2026-05-06 22:24:02
○ 2026-05-12 10:57:10

●MXmx93239.maychuemail.net2026-05-06 → 2026-05-12 · 3 obs

○ 2020-03-22 22:24:00
● 2026-05-06 22:24:02
● 2026-05-12 10:57:10

●A103.77.162.72026-05-06 → 2026-05-12 · 3 obs

○ 2020-03-22 22:24:00
● 2026-05-06 22:24:02
● 2026-05-12 10:57:10

○A112.213.89.1352020-03-22 → 2020-03-22 · 3 obs

● 2020-03-22 22:24:00
○ 2026-05-06 22:24:02
○ 2026-05-12 10:57:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
dhtco.com.vn	ns2.pavietnam.vn, ns1.pavietnam.vn, nsbak.pavietnam.net	-

✅ Authoritative Response

Server:112.213.89.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dhtco.com.vn (unsigned zone)

⏱️ Timing

Total: 3290ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.77.162.7`
NS	2	`ns2.pavietnam.vn, ns1.pavietnam.vn`
MX	2	`mx93239.maychuemail.net (pri: 10), mail93239.maychuemail.com (pri: 5)`
TXT	3	`google-site-verification=TRZ-Cnfovg4DazW, MS=ms83306017...`
SOA	1	`ns1.pavietnam.vn hostmaster.dhtco.com.vn`

Analysis

IP Addresses

dhtco.com.vn points to an IP address: 103.77.162.7.

other host names include nuocion.com.vn, canhuyhoang.com.vn, cpcalendars.cbs.edu.vn, www.arigatou.com.vn and maybaygiare.vn; they share IP numbers with dhtco.com.vn.

Name Servers

dhtco.com.vn is delegated to three name servers nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.

dhtco.com.vn at least partially shares name servers with other domains, for instance kimsa.com.vn, givi.com.vn, saonam.com.vn, somoto.vn and theblues.vn.

These name servers are commonly used with the following: ns1.dotvndns.vn, nsbak.dotvndns.com, ns2.dotvndns.vn and nsbak.pavietnam.vn.

Host names with two IP numbers:

nsbak.pavietnam.net points to 2406:9c80::9000:302 and 112.213.89.22; ns1.pavietnam.vn points to 2406:9c80::66 and 112.213.89.3; ns2.pavietnam.vn points to 2406:9c80::9000:111 and 222.255.121.247.

Mail Servers

dhtco.com.vn is handled by two mail servers: mail93239.maychuemail.com and mx93239.maychuemail.net.

dhtco.com.vn uses the same mail server setup as other domains, for instance anbinhchem.vn, hg-architects.com, adsite.vn, niceoffice.com.vn and idn.com.vn.

dhtco.com.vn shares at least partially some mail servers with other domains, for instance giahoacorp.com.vn, hestudio.vn, vuduongcomputer.com.vn, tfa.vn and songbangplastic.com.vn.

Host names with a single IP

mail93239.maychuemail.com points to 112.213.93.239

mx93239.maychuemail.net points to 112.213.93.239

Host names that point to 112.213.93.239: mail93239.maychuemail.com and mx93239.maychuemail.net

dhtco.com.vn - robtex.com

dhtco.com.vn

com.vn

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`dhtco.com.vn`

`com.vn`