`mail.tcdevelopment.edu.vn`

DNSSEC	⚠️ Not signed
A	103.45.229.114^{🇻🇳 QTSP103.45.229.0/24 CMI (Customer Route)}
		PTR	`sd229114.server.idn.vn`

`tcdevelopment.edu.vn`

	DNSSEC	⚠️ Not signed
	A	103.45.229.40^{🇻🇳 QTSP103.45.229.0/24 CMI (Customer Route)}
	NS	`ns1.dns.net.vn` ⭐
	NS	`ns2.dns.net.vn`
	MX	`mail.tcdevelopment.edu.vn` ⭐
	TXT	`v=spf1 a mx ip4:103.45.229.114 ~all`
	SOA	`ns1.dns.net.vn`webmaster@dns.net.vn serial=1765936861

MX for

tcdevelopment.edu.vn

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DNS History

1 record (1 active, 0 former)

●A103.45.229.1142026-04-30 → 2026-05-09 · 2 obs

● 2026-04-30 19:26:02
● 2026-05-09 14:12:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
tcdevelopment.edu.vn	ns2.dns.net.vn, ns1.dns.net.vn	-

✅ Authoritative Response

Server:210.211.108.160

NS records: ns2.dns.net.vn, ns1.dns.net.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tcdevelopment.edu.vn (unsigned zone)

⏱️ Timing

Total: 584ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.45.229.114`

Analysis

Mail Server Role

mail.tcdevelopment.edu.vn serves as a mail server for tcdevelopment.edu.vn.

IP Addresses

mail.tcdevelopment.edu.vn resolves to one IP number: 103.45.229.114.

Other host names, for instance mail.fansipancapital.com.vn, webdisk.p2p-jsc.com, cpcalendars.p2p-jsc.com, mail.usv.com.vn and mail.ivftech.com.vn share IP numbers with mail.tcdevelopment.edu.vn.

mail.tcdevelopment.edu.vn - robtex.com