sims.vn - robtex.com

sims.vn

DNSSEC⚠️ Not signed
NSns-master.inet.vn
A202.92.4.8🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN
NSns1.inet.vn
A2001:df7:ce00:1::7🇻🇳 VNPT-AS-VN2001:df7:ce00::/48 INETSOFT-VN Inet software one member company limited
A202.92.4.25🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN
NSns2.inet.vn
A2401:5f80:2001:4::30🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN
A210.211.99.38🇻🇳 VTDC-AS-VN210.211.99.0/24 Proxy-registered route object
NSns3.inet.vn ⚠️ Not in zone NS records
A2401:5f80:4001:4::14🇻🇳 VTDC-AS-VN2401:5f80:4000::/36 VTDC-VN
A203.113.174.42🇻🇳 VTDC-AS-VN203.113.174.0/23 VIETTEL-VN
MXmail.sims.vn
A103.139.203.101🇻🇳 VNPT-AS-VN103.139.202.0/23 VNPT-NET
TXT_z1t5cpsjos08v307ingu7r3ylxk8szj
TXT“v=spf1 ip4:202.143.110.226/27 include:dn(0x736578)it.com -all” mdaemon._domainkey ...
TXTzalo-platform-site-verification=FyMI2-FI0XOauzWK-UvU0XFkyrl_aIW0C30
SOAns-master.inet.vnpostmaster@inet.vn 2015-07-28 #0

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=2030884776

Subdomains

Same first word

Similar names

DNS History

5 records (5 active, 0 former)

NSns-master.inet.vnns1.inet.vnns2.inet.vnns3.inet.vnMXmail.sims.vn
NSns-master.inet.vn2026-05-18 → 2026-06-14 · 2 obs
● 2026-05-18 01:09:36
● 2026-06-14 00:13:14
NSns1.inet.vn2026-05-18 → 2026-06-14 · 2 obs
● 2026-05-18 01:09:36
● 2026-06-14 00:13:14
NSns2.inet.vn2026-05-18 → 2026-06-14 · 2 obs
● 2026-05-18 01:09:36
● 2026-06-14 00:13:14
NSns3.inet.vn2026-05-18 → 2026-06-14 · 2 obs
● 2026-05-18 01:09:36
● 2026-06-14 00:13:14
MXmail.sims.vn2026-05-18 → 2026-06-14 · 2 obs
● 2026-05-18 01:09:36
● 2026-06-14 00:13:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, g.dns-servers.vn, h.dns-servers.vn...-
sims.vnns3.inet.vn, ns2.inet.vn, ns1.inet.vn3 records

✅ Authoritative Response

Server:203.113.174.10

NS records: ns3.inet.vn, ns2.inet.vn, ns1.inet.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sims.vn (unsigned zone)

⏱️ Timing

Total: 1217ms | Queries: -

📄 Records

TypeCountSample Data
NS2ns1.inet.vn, ns2.inet.vn
MX1mail.sims.vn (pri: 10)
TXT3_z1t5cpsjos08v307ingu7r3ylxk8szj, “v=spf1 ip4:202.143.110.226/27 include:d...
SOA1ns-master.inet.vn postmaster.inet.vn

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns1.inet.vn, ns2.inet.vn, ns3.inet.vn)

Analysis

Hierarchy

The host names detect.sims.vn, demo.sims.vn, api.sims.vn, admin.sims.vn and cdn.sims.vn — among a few others — fall under the parent domain sims.vn.

Name Servers

sims.vn is delegated to four name servers, ns-master.inet.vn, ns1.inet.vn, ns2.inet.vn and ns3.inet.vn.

At least some of sims.vn's name servers are shared with other domains, for example bantinnhadat.vn, innhatquang.vn, giasoc.vn and two more.

Host names that have two IP addresses:

ns1.inet.vn points to 202.92.4.25 and 2001:df7:ce00:1::7.

ns2.inet.vn points to 210.211.99.38 and 2401:5f80:2001:4::30.

ns3.inet.vn points to 203.113.174.42 and 2401:5f80:4001:4::14.

Host names with one IP number:

ns-master.inet.vn points to 202.92.4.8.

Mail Servers

The sole mail server for sims.vn is mail.sims.vn.

mail.sims.vn resolves to a single IP number: 103.139.203.101.