`mail.websystem.vn`

DNSSEC	⚠️ Not signed
A	123.30.110.251^{🇻🇳 VDC123.30.110.0/24 VNPT}
		PTR	`static.vnpt.vn`

`websystem.vn`

	DNSSEC	⚠️ Not signed
	A	123.30.110.251^{🇻🇳 VDC123.30.110.0/24 VNPT}
	NS	`iris.ns.cloudflare.com` ⭐
	NS	`jim.ns.cloudflare.com`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽⁵⁾
	MX	`alt2.aspmx.l.google.com`⁽⁵⁾
	MX	`aspmx2.googlemail.com`⁽¹⁰⁾
	MX	`aspmx3.googlemail.com`⁽¹⁰⁾
	SOA	`iris.ns.cloudflare.com`dns@cloudflare.com serial=2403818637

PTR for

181.110.30.123.in-addr.arpa

Same first word

mail.4u.com

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mail.dnsalias.net

mail.pro.br

mail.ne.jp

mail.co.jp

mail.be

mail.com.vn

mail.how

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DNS History

1 record (1 active, 0 former)

●A123.30.110.2512016-12-23 → 2026-05-10 · 2 obs

● 2016-12-23 12:19:16
● 2026-05-10 00:17:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	f.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn, e.dns-servers.vn...	-
websystem.vn	iris.ns.cloudflare.com, jim.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.118

NS records: iris.ns.cloudflare.com, jim.ns.cloudflare.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at vn: Error: DNS query timeout: 203.119.68.105 for DNSKEY vn

⏱️ Timing

Total: 3363ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`123.30.110.251`

Analysis

IP Addresses

mail.websystem.vn resolves to a single IP: 123.30.110.251.

Other host names, for instance, websystem.vn and www.websystem.vn share IP numbers with mail.websystem.vn.

mail.websystem.vn - robtex.com