`mail.studyup.com.vn`

	DNSSEC	⚠️ Not signed
	A	103.27.238.227^{🇻🇳 LVSS-AS-VN103.27.236.0/22 LVSS-VN}

`studyup.com.vn`

	DNSSEC	⚠️ Not signed
	A	103.27.238.227^{🇻🇳 LVSS-AS-VN103.27.236.0/22 LVSS-VN}
	NS	`ns4.tenten.vn` ⭐
	NS	`ns5.tenten.vn`
	NS	`ns6.tenten.vn`
	MX	`mail.studyup.com.vn` ⭐
	TXT	`v=spf1 mx a ip4:103.27.238.227 ~all`
	SOA	`ns4.tenten.vn`hostmaster@studyup.com.vn 2025-12-29 #21

MX for

studyup.com.vn

Same first word

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DNS History

2 records (1 active, 1 former)

○A103.226.248.1502020-01-05 → 2020-01-05 · 3 obs

● 2020-01-05 19:44:14
○ 2026-02-19 21:56:26
○ 2026-05-10 12:56:16

●A103.27.238.2272026-02-19 → 2026-05-10 · 3 obs

○ 2020-01-05 19:44:14
● 2026-02-19 21:56:26
● 2026-05-10 12:56:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	e.dns-servers.vn, g.dns-servers.vn, c.dns-servers.vn, a.dns-servers.vn...	-
studyup.com.vn	ns5.tenten.vn, ns6.tenten.vn, ns4.tenten.vn	-

✅ Authoritative Response

Server:103.18.7.205

NS records: ns5.tenten.vn, ns6.tenten.vn, ns4.tenten.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 2429ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.27.238.227`

Analysis

Mail Server Role

mail.studyup.com.vn serves as the mail server for studyup.com.vn.

IP Addresses

mail.studyup.com.vn points to an IP address: 103.27.238.227.

other host names include mail.gomall.vn, palletngocha.vn, qlda.vn, gomall.vn and studyup.vn; they share IP numbers with mail.studyup.com.vn.

mail.studyup.com.vn - robtex.com