`mail.nodesign.com.vn`

DNSSEC	⚠️ Not signed
A	123.27.3.105^{🇻🇳 VTN-1123.27.0.0/20 VNPT-Net}
		PTR	`mail.nodesign.com.vn`
TXT	`google-site-verification=Bv5VHx-qSZKznYqLiH2hvH3P47KtNPRNXBO7Jgb2LhM`

`nodesign.com.vn`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:a346^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:2958^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.41.88^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.163.70^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`alice.ns.cloudflare.com` ⭐
NS	`kobe.ns.cloudflare.com`
MX	`mail.nodesign.com.vn` ⭐
TXT	`v=spf1 include:_spf.vhost.vn ip4:123.27.3.105 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.41.88, 172.67.163.70
		IPv6 hints	2606:4700:3034::ac43:a346, 2606:4700:3035::6815:2958
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=40, name=cloudflare-ech.com
SOA	`alice.ns.cloudflare.com`dns@cloudflare.com serial=2402506848

PTR for

105.3.27.123.in-addr.arpa

MX for

nodesign.com.vn

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DNS History

1 record (1 active, 0 former)

●A123.27.3.1052026-05-01 → 2026-05-10 · 2 obs

● 2026-05-01 14:44:00
● 2026-05-10 17:57:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	b.dns-servers.vn, d.dns-servers.vn, a.dns-servers.vn, g.dns-servers.vn...	-
nodesign.com.vn	kobe.ns.cloudflare.com, alice.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.192.60

NS records: kobe.ns.cloudflare.com, alice.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1161ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`123.27.3.105`
TXT	1	`google-site-verification=Bv5VHx-qSZKznYq`

Analysis

Mail Server Role

mail.nodesign.com.vn functions as a mail server for nodesign.com.vn.

IP Addresses

mail.nodesign.com.vn resolves to one IP number: 123.27.3.105.

other host names including cpcontacts.vscode.io.vn, nodesign.edu.vn, webmail.vscode.io.vn, cpcontacts.nodesign.edu.vn and vscode.io.vn share IP numbers with mail.nodesign.com.vn.

mail.nodesign.com.vn - robtex.com