flexinet.com.vn - dns.ninja

flexinet.com.vn

DNSSEC⚠️ Not signed
A144.91.88.80🇩🇪 CONTABO144.91.88.0/23
PTRvmi3234061.contaboserver.net
NSns4.tenten.vn
A2404:f080:1101:302:a163:44:193:20🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi
PTRns4.tenten.vn
A103.18.7.204🇻🇳 GMO-ZCOM-AS-VN103.18.6.0/23 RUNSYSTEM-VN
PTRns4.tenten.vn
NSns5.tenten.vn
A2404:f080:1101:302:a163:44:193:21🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi
PTRns5.tenten.vn
A103.18.7.205🇻🇳 GMO-ZCOM-AS-VN103.18.6.0/23 RUNSYSTEM-VN
PTRns5.tenten.vn
NSns6.tenten.vn
A2404:f080:1101:302:a163:44:193:22🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi
PTRns6.tenten.vn
A52.74.6.184🇸🇬 Amazon52.74.0.0/16 SIN prefix
PTRec2-52-74-6-184.ap-southeast-1.compute.amazonaws.com
MXmail.flexinet.com.vn
TXTMS=ms68330581
TXTv=spf1 include:emg01.emailserver.net.vn ~all
SOAns4.tenten.vnhostmaster@flexinet.com.vn 2026-07-28 #24

com.vn

DNSSEC⚠️ Not signed
NSdns-master.vnnic.vn
NSa.dns-servers.vn ⚠️ Not in parent delegation
NSb.dns-servers.vn ⚠️ Not in parent delegation
NSc.dns-servers.vn ⚠️ Not in parent delegation
NSd.dns-servers.vn ⚠️ Not in parent delegation
NSe.dns-servers.vn ⚠️ Not in parent delegation
NSf.dns-servers.vn ⚠️ Not in parent delegation
NSg.dns-servers.vn ⚠️ Not in parent delegation
NSh.dns-servers.vn ⚠️ Not in parent delegation
SOAdns-master.vnnic.vnpostmaster@vnnic.vn serial=2022829977

Same first word

Similar names

DNS History

7 records (5 active, 2 former)

NSns4.tenten.vnns5.tenten.vnns6.tenten.vnMXmail.flexinet.com.vnflexinet-com-vn.mail.protection.outlook.comA144.91.88.80171.244.139.236
NSns4.tenten.vn2026-05-01 → 2026-07-31 · 2 obs
● 2026-05-01 09:48:12
● 2026-07-31 12:52:46
NSns5.tenten.vn2026-05-01 → 2026-07-31 · 2 obs
● 2026-05-01 09:48:12
● 2026-07-31 12:52:46
NSns6.tenten.vn2026-05-01 → 2026-07-31 · 2 obs
● 2026-05-01 09:48:12
● 2026-07-31 12:52:46
MXflexinet-com-vn.mail.protection.outlook.com2026-05-01 → 2026-05-01 · 3 obs
● 2026-05-01 09:48:12
○ 2026-07-08 18:46:30
○ 2026-07-31 12:52:46
MXmail.flexinet.com.vn2026-07-31 → 2026-07-31 · 2 obs
○ 2026-07-08 18:46:30
● 2026-07-31 12:52:46
A144.91.88.802026-06-13 → 2026-07-31 · 4 obs
○ 2026-05-10 07:45:46
● 2026-06-13 12:50:04
○ 2026-07-27 02:59:48
● 2026-07-31 12:52:46
A171.244.139.2362026-05-10 → 2026-05-10 · 3 obs
● 2026-05-10 07:45:46
○ 2026-06-13 12:50:04
○ 2026-07-31 12:52:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...16 records
flexinet.com.vnns4.tenten.vn, ns6.tenten.vn, ns5.tenten.vn-

✅ Authoritative Response

Server:103.18.7.204

NS records: ns4.tenten.vn, ns6.tenten.vn, ns5.tenten.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1778ms | Queries: -

📄 Records

TypeCountSample Data
NS3ns4.tenten.vn, ns6.tenten.vn...
MX1mail.flexinet.com.vn (pri: 0)
SOA1ns4.tenten.vn hostmaster.flexinet.com.vn

📌 Glue Records Collected

Total: 16

In-bailiwick: 16 (a.dns-servers.vn, a.dns-servers.vn, b.dns-servers.vn...)

Analysis

IP Addresses

flexinet.com.vn has exactly one IP address — 144.91.88.80.

Host names like vmi3234061.contaboserver.net are further examples that share IP numbers with flexinet.com.vn.

Name Servers

flexinet.com.vn carries NS records delegating to ns4.tenten.vn, ns5.tenten.vn and ns6.tenten.vn.

flexinet.com.vn partially shares its NS delegation with several other domains, including marinahotel.vn, stec.com.vn, cde.vn and two others.

These name servers regularly co-occur with the name servers ns1.tenten.vn, ns2.tenten.vn and ns3.tenten.vn.

ns4.tenten.vn, ns5.tenten.vn and ns6.tenten.vn are three hostnames that each resolve to a pair of IP addresses: ns4.tenten.vn to 103.18.7.204 and 2404:f080:1101:302:a163:44:193:20, ns5.tenten.vn to 103.18.7.205 and 2404:f080:1101:302:a163:44:193:21, and ns6.tenten.vn to 52.74.6.184 and 2404:f080:1101:302:a163:44:193:22.

Mail Servers

flexinet.com.vn uses one mail server — mail.flexinet.com.vn.