flexinet.com.vn - dns.ninja
flexinet.com.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 144.91.88.80🇩🇪 CONTABO144.91.88.0/23 | ||||||
| PTR | vmi3234061.contaboserver.net | ||||||
| NS | ns4.tenten.vn ⭐ ⚠️ Not in zone NS records | ||||||
| A | 2404: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 | ||||||
| PTR | ns4.tenten.vn | ||||||
| A | 103.18.7.204🇻🇳 GMO-ZCOM-AS-VN103.18.6.0/23 RUNSYSTEM-VN | ||||||
| PTR | ns4.tenten.vn | ||||||
| NS | ns5.tenten.vn ⚠️ Not in zone NS records | ||||||
| A | 2404: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 | ||||||
| PTR | ns5.tenten.vn | ||||||
| A | 103.18.7.205🇻🇳 GMO-ZCOM-AS-VN103.18.6.0/23 RUNSYSTEM-VN | ||||||
| PTR | ns5.tenten.vn | ||||||
| NS | ns6.tenten.vn ⚠️ Not in zone NS records | ||||||
| A | 2404: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 | ||||||
| PTR | ns6.tenten.vn | ||||||
| A | 52.74.6.184🇸🇬 Amazon52.74.0.0/16 SIN prefix | ||||||
| PTR | ec2-52-74-6-184.ap-southeast-1.compute.amazonaws.com | ||||||
| MX | mail.flexinet.com.vn ⭐ | ||||||
| A | 150.95.104.102🇻🇳 GMO-ZCOM-AS-VN150.95.104.0/21 RUNSYSTEM-VN | ||||||
| PTR | cp02hn.emailserver.net.vn | ||||||
| SOA | ns4.tenten.vnhostmaster@flexinet.com.vn 2026-07-28 #24 | ||||||
com.vn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | b.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | c.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | d.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | e.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | f.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | g.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | h.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2022831796 | ||||||
Subdomains
mail.flexinet.com.vn |
Same first word
flexinet.net.br |
flexinet.com |
flexinet.in |
flexinet.co.uk |
flexinet.cz |
flexinet.com.au |
flexinet.info |
flexinet.uk |
flexinet.com.br |
flexinet.sk |
flexinet.nl |
flexinet.be |
flexinet.ca |
flexinet.nu |
flexinet.de |
flexinet.com.vn |
Similar names
DNS History
7 records (5 active, 2 former)
○MXflexinet-com-vn.mail.protection.outlook.com2026-05-01 → 2026-05-01 · 3 obs
○ 2026-07-08 18:46:30
○ 2026-08-02 02:13:40
●MXmail.flexinet.com.vn2026-07-31 → 2026-08-02 · 3 obs
● 2026-07-31 12:52:46
● 2026-08-02 02:13:40
●A144.91.88.802026-06-13 → 2026-08-02 · 7 obs
● 2026-06-13 12:50:04
○ 2026-07-27 02:59:48
● 2026-07-31 12:52:46
○ 2026-08-01 09:30:52
● 2026-08-02 02:13:38
● 2026-08-02 02:13:40
○A171.244.139.2362026-05-10 → 2026-05-10 · 3 obs
○ 2026-06-13 12:50:04
○ 2026-08-02 02:13:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | 16 records |
| flexinet.com.vn | ns4.tenten.vn, ns5.tenten.vn, ns6.tenten.vn | - |
✅ Authoritative Response
Server:103.18.7.204
NS records: ns4.tenten.vn, ns5.tenten.vn, ns6.tenten.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for flexinet.com.vn (unsigned zone)
⏱️ Timing
Total: 3914ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 144.91.88.80 |
| TXT | 2 | MS=ms68330581, v=spf1 include:emg01.emailserver.net.vn |
| SOA | 1 | ns4.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
Hierarchy
flexinet.com.vn is the parent zone for mail.flexinet.com.vn.
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.
mail.flexinet.com.vn carries a single IP number, which is 150.95.104.102.