`mail.connecttech.vn`

	DNSSEC	⚠️ Not signed
	A	103.57.220.204^{🇻🇳 VNPT-AS-VN103.57.220.0/22 INET-VN}

`connecttech.vn`

	DNSSEC	⚠️ Not signed
	A	171.244.40.114^{🇻🇳 VTDC-AS-VN171.244.40.0/22 Proxy-registered route object}
	NS	`ns1.pavietnam.vn` ⭐
	NS	`ns2.pavietnam.vn`
	NS	`nsbak.pavietnam.net`
	MX	`mx1.onemail.vn` ⭐
	MX	`mx2.onemail.vn` ⭐
	MX	`mx3.onemail.vn` ⭐
	MX	`mail.connecttech.vn`⁽¹⁰⁾
	TXT	`v=spf1 ip4:171.244.40.114 include:_spf.onemail.vn ~all`
	SOA	`ns1.pavietnam.vn`hostmaster@connecttech.vn 2026-05-04 #35

MX for

connecttech.vn

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DNS History

1 record (1 active, 0 former)

●A103.57.220.2042026-05-08 → 2026-05-10 · 2 obs

● 2026-05-08 13:25:24
● 2026-05-10 15:58:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
connecttech.vn	ns2.pavietnam.vn, ns1.pavietnam.vn, nsbak.pavietnam.net	4 records

✅ Authoritative Response

Server:112.213.89.22

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for connecttech.vn (unsigned zone)

⏱️ Timing

Total: 1727ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.57.220.204`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.pavietnam.vn, ns1.pavietnam.vn, ns2.pavietnam.vn...)

Analysis

Mail Server Role

mail.connecttech.vn handles mail for connecttech.vn.

mx1.onemail.vn, mx2.onemail.vn and mx3.onemail.vn are commonly used mail servers together with mail.connecttech.vn.

IP Addresses

mail.connecttech.vn points to a single IP address: 103.57.220.204.

Other host names such as webmail.globalmall.vn, webmail.apecedu.com.vn, mail.tsevina.com, mail.ncm.vn and mail.dongphuongpaper.com share IPs with mail.connecttech.vn.

mail.connecttech.vn - robtex.com