sysone.vn - robtex.com

sysone.vn

DNSSEC⚠️ Not signed
A14.225.163.195🇻🇳 VNPT-AS-VN14.225.163.0/24 VNPT
PTRmail.sysone.vn
NSns1.sysone.vn ⭐
A14.225.163.195🇻🇳 VNPT-AS-VN14.225.163.0/24 VNPT
PTRmail.sysone.vn
NSns2.sysone.vn
A14.225.163.194🇻🇳 VNPT-AS-VN14.225.163.0/24 VNPT
MXmail.sysone.vn ⭐
A14.225.163.195🇻🇳 VNPT-AS-VN14.225.163.0/24 VNPT
PTRmail.sysone.vn
TXTv=spf1 ip4:14.225.163.195 ~all
TXTgoogle-site-verification=jahoXWirfblNBOGX3-qOE8bqfalsrfyB_0MOLRind30
SOAns1.sysone.vnadmin@sysone.vn 2026-04-26 #1

vn

DNSSEC🔒 Signed (DS record present)
NSdns-master.vnnic.vn ⭐
NSa.dns-servers.vn
NSb.dns-servers.vn
NSc.dns-servers.vn
NSd.dns-servers.vn
NSe.dns-servers.vn
NSf.dns-servers.vn
NSg.dns-servers.vn
NSh.dns-servers.vn
SOAdns-master.vnnic.vnpostmaster@vnnic.vn serial=2030765755

Subdomains

mail.sysone.vn
ns2.sysone.vn
www.sysone.vn
ns1.sysone.vn

Same first word

sysone.ca
sysone.com.br
sysone.es
sysone.cc
sysone.it
sysone.vn
sysone.co.kr
sysone.com
sysone.de
sysone.co

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DNS History

4 records (4 active, 0 former)

NSns1.sysone.vnns2.sysone.vnMXmail.sysone.vnA14.225.163.195
●NSns1.sysone.vn2026-05-01 → 2026-05-13 · 2 obs
● 2026-05-01 09:58:36
● 2026-05-13 02:01:54
●NSns2.sysone.vn2026-05-01 → 2026-05-13 · 2 obs
● 2026-05-01 09:58:36
● 2026-05-13 02:01:54
●MXmail.sysone.vn2026-05-01 → 2026-05-13 · 2 obs
● 2026-05-01 09:58:36
● 2026-05-13 02:01:54
●A14.225.163.1952026-05-01 → 2026-05-13 · 2 obs
● 2026-05-01 09:58:36
● 2026-05-13 02:01:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vnb.dns-servers.vn, d.dns-servers.vn, h.dns-servers.vn, c.dns-servers.vn...-
sysone.vnns1.sysone.vn, ns2.sysone.vn2 records

✅ Authoritative Response

Server:14.225.163.194

NS records: ns1.sysone.vn, ns2.sysone.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sysone.vn (unsigned zone)

⏱️ Timing

Total: 4420ms | Queries: -

📄 Records

TypeCountSample Data
A114.225.163.195
NS2ns1.sysone.vn, ns2.sysone.vn
MX1mail.sysone.vn (pri: 10)
TXT2google-site-verification=jahoXWirfblNBOG, v=spf1 ip4:14.225.163.195 ~all
SOA1ns1.sysone.vn admin.sysone.vn

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.sysone.vn, ns2.sysone.vn)

Analysis

Hierarchy

sysone.vn is a parent of mail.sysone.vn, ns2.sysone.vn, www.sysone.vn and ns1.sysone.vn.

IP Addresses

sysone.vn points to a single IP: 14.225.163.195.

Other host names such as ns1.sysone.vn and mail.sysone.vn share IP numbers with sysone.vn.

Name Servers

Two name servers ns1.sysone.vn and ns2.sysone.vn handle delegation for sysone.vn.

Host names with one IP number: The host name ns1.sysone.vn points to 14.225.163.195 and the host name ns2.sysone.vn points to 14.225.163.194.

Mail Servers

sysone.vn is handled by a single mail server, mail.sysone.vn.

mail.sysone.vn points to a single IP: 14.225.163.195.