`mail.gvtech.com.vn`

CNAME	`mail90165.maychuemail.com`
DNSSEC	⚠️ Not signed
A	112.213.90.165^{🇻🇳 SUPERDATA112.213.90.0/24 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	`mail90165.maychuemail.com`

`gvtech.com.vn`

	DNSSEC	⚠️ Not signed
	A	123.31.41.122^{🇻🇳 VNPT-AS-VN123.31.41.0/24 VNPT}
	NS	`ns1.pavietnam.vn` ⭐
	NS	`mail.gvtech.com.vn` ⚠️ Not in zone NS records
	NS	`ns2.pavietnam.vn`
	NS	`nsbak.pavietnam.net`
	MX	`mail90165.maychuemail.com` ⭐
	MX	`mx90165.maychuemail.net`⁽¹⁰⁾
	TXT	`v=spf1 include:spf.maychuemail.com ~all`
	SOA	`ns1.pavietnam.vn`hostmaster@gvtech.com.vn 2025-01-06 #25

NS for

gvtech.com.vn

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DNS History

1 record (1 active, 0 former)

●CNAMEmail90165.maychuemail.com2026-05-08 → 2026-05-10 · 2 obs

● 2026-05-08 16:58:16
● 2026-05-10 04:44:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
gvtech.com.vn	mail.gvtech.com.vn, ns1.pavietnam.vn, nsbak.pavietnam.net, ns2.pavietnam.vn	1 record

✅ Authoritative Response

Server:222.255.121.247

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 4605ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`mail90165.maychuemail.com`

📌 Glue Records Collected

Total: 1

In-bailiwick: 1 (mail.gvtech.com.vn)

Analysis

Name Server Role

mail.gvtech.com.vn serves as a name server for gvtech.com.vn.

nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn are commonly used as name servers along with mail.gvtech.com.vn.

IP Addresses

mail.gvtech.com.vn resolves to one IP number: 112.213.90.165.

other host names including mail.phaohoahcm.com.vn, mx90165.maychuemail.net, mail.duhoctanviet.edu.vn, mail90165.dotvndns.vn and sgsvn.com share IP numbers with mail.gvtech.com.vn.

mail.gvtech.com.vn - robtex.com