bitechcom.vn - robtex.com
bitechcom.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.75.185.14🇻🇳 VNPT-AS-VN103.75.184.0/22 Inet software one member company limited INETSOFT-VN | ||||||
| NS | ns1.nina.vn ⭐ | ||||||
| A | 112.213.89.3🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | ns1.dotvndns.vn | ||||||
| NS | ns2.nina.vn | ||||||
| A | 222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| PTR | static.vnpt.vn | ||||||
| NS | ns3.nina.vn | ||||||
| A | 112.213.89.22🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | ns8922.dotvndns.vn | ||||||
| MX | mail.bitechcom.vn ⭐ | ||||||
| A | 103.57.220.204🇻🇳 VNPT-AS-VN103.57.220.0/22 INET-VN | ||||||
| MX | mx.inet.vn ⭐ | ||||||
| A | 103.72.96.6🇻🇳 INETSOFT-AS-VN103.72.96.0/22 INETSOFT-VN | ||||||
| PTR | mailer-smtp-in.onemail.vn | ||||||
| A | 103.72.96.8🇻🇳 INETSOFT-AS-VN103.72.96.0/22 INETSOFT-VN | ||||||
| PTR | mailer-smtp-in01.onemail.vn | ||||||
| A | 103.72.96.9🇻🇳 INETSOFT-AS-VN103.72.96.0/22 INETSOFT-VN | ||||||
| PTR | mailer-smtp-in02.onemail.vn | ||||||
| A | 103.216.116.158🇻🇳 VNPT-AS-VN103.216.116.0/22 INETSOFT-VN | ||||||
| PTR | mailgw.inet.vn | ||||||
| TXT | v=spf1 a mx include:_spf.inet.vn ~all | ||||||
| SOA | ns1.nina.vnhostmaster@bitechcom.vn 2023-07-19 #10 | ||||||
vn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn | ||||||
| NS | b.dns-servers.vn | ||||||
| NS | c.dns-servers.vn | ||||||
| NS | d.dns-servers.vn | ||||||
| NS | e.dns-servers.vn | ||||||
| NS | f.dns-servers.vn | ||||||
| NS | g.dns-servers.vn | ||||||
| NS | h.dns-servers.vn | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2030745018 | ||||||
Subdomains
Same first word
bitechcom.vn |
Similar names
DNS History
6 records (6 active, 0 former)
●MXmail.bitechcom.vn2026-05-01 → 2026-05-07 · 2 obs
● 2026-05-07 20:48:22
●A103.75.185.142026-05-01 → 2026-05-07 · 2 obs
● 2026-05-07 20:48:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | e.dns-servers.vn, g.dns-servers.vn, a.dns-servers.vn, h.dns-servers.vn... | 15 records |
| bitechcom.vn | ns2.nina.vn, ns1.nina.vn, ns3.nina.vn | - |
✅ Authoritative Response
Server:112.213.89.22
NS records: ns2.nina.vn, ns1.nina.vn, ns3.nina.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bitechcom.vn (unsigned zone)
⏱️ Timing
Total: 2270ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.75.185.14 |
| NS | 3 | ns2.nina.vn, ns1.nina.vn... |
| MX | 2 | mail.bitechcom.vn (pri: 10), mx.inet.vn (pri: 10) |
| TXT | 1 | v=spf1 a mx include:_spf.inet.vn ~all |
| SOA | 1 | ns1.nina.vn hostmaster.bitechcom.vn |
📌 Glue Records Collected
Total: 15
In-bailiwick: 15 (a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn...)
Analysis
Hierarchy
bitechcom.vn is a parent of mail.bitechcom.vn and www.bitechcom.vn.
IP Addresses
bitechcom.vn points to a single IP number: 103.75.185.14.
Other host names, for instance 61c9f6c1-3906-4d42-8c2d-169a3a4aceaf.spencil.vn, dinhquy-ngocdung.io.vn, longbien.rns.com.vn, hoiucvolam.net and hitocare.vn share IP numbers with bitechcom.vn.
Name Servers
The domain bitechcom.vn is delegated to three name servers: ns1.nina.vn, ns2.nina.vn and ns3.nina.vn.
bitechcom.vn shares name servers with other domains at least partially, for instance tramsacdau.com, gachcaocap.net.vn, gachmentbvsgiaphat.com, detuoidungmap3.com and giangiaolonggiap.com.
These name servers are commonly used with ns1.dotvndns.vn, nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
Host names with a single IP number:
ns1.nina.vn points to 112.213.89.3.
ns2.nina.vn points to 222.255.121.247.
ns3.nina.vn points to 112.213.89.22.
Mail Servers
bitechcom.vn is handled by two mail servers: mail.bitechcom.vn and mx.inet.vn.
bitechcom.vn shares some mail servers with other domains, including fukuda.ai, vicosap.vn, labeltruongthinh.com, xkldgroup.com and inoxen.vn.
These mail servers are commonly used together with mx1.onemail.vn, mx2.onemail.vn and mx3.onemail.vn.
Host names with four IP numbers:
mx.inet.vn points to: 103.72.96.6, 103.72.96.8, 103.72.96.9 and 103.216.116.158.
Host names with one IP number:
mail.bitechcom.vn points to: 103.57.220.204.