bitexedu.com - robtex.com
bitexedu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.117.168.198🇻🇳 SUPERDATA45.117.168.0/24 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 | mx168198.superdata.vn | ||||||
| NS | ns.viettelidc.com.vn ⭐ | ||||||
| A | 2401:5f80:2000:1::5🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN | ||||||
| A | 115.84.177.8🇻🇳 VTDC-AS-VN115.84.176.0/22 Proxy-registered route object | ||||||
| PTR | ns.vtdc.net | ||||||
| PTR | ns.viettelidc.com.vn | ||||||
| NS | ns1.viettelidc.com.vn ⚠️ Not in parent delegation | ||||||
| A | 2401:5f80:2000:2::4🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN | ||||||
| A | 115.84.177.33🇻🇳 VTDC-AS-VN115.84.176.0/22 Proxy-registered route object | ||||||
| PTR | ns1.vtdc.net | ||||||
| PTR | ns1.viettelidc.com.vn | ||||||
| NS | ns2.viettelidc.com.vn | ||||||
| A | 2401:5f80:4000:1::4🇻🇳 VTDC-AS-VN2401:5f80:4000::/36 VTDC-VN | ||||||
| A | 115.84.181.10🇻🇳 VTDC-AS-VN115.84.180.0/22 Proxy-registered route object | ||||||
| PTR | ns2.vtdc.net | ||||||
| PTR | ns2.viettelidc.com.vn | ||||||
| MX | 45.117.168.198 ⭐ | ||||||
| TXT | MS=ms23780299 | ||||||
| TXT | _globalsign-domain-verification=z0SuBitorfI7UqlunLWErfdWbXcX4qv2b62REVffW8 | ||||||
| SOA | ns2.viettelidc.com.vnhostmaster@bitexedu.com serial=1778245428 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778321851 | ||||||
Subdomains
hdsd880.bitexedu.com |
athd.bitexedu.com |
thicasio.bitexedu.com |
bevesangtao.bitexedu.com |
Same first word
bitexedu.com |
DNS History
8 records (5 active, 3 former)
●NSns.viettelidc.com.vn2017-11-08 → 2026-05-09 · 2 obs
● 2026-05-09 10:20:30
●NSns1.viettelidc.com.vn2017-11-08 → 2026-05-09 · 2 obs
● 2026-05-09 10:20:30
●NSns2.viettelidc.com.vn2017-11-08 → 2026-05-09 · 2 obs
● 2026-05-09 10:20:30
○MX45.117.168.1972026-04-10 → 2026-05-09 · 2 obs
○ 2026-05-09 10:20:30
●MX45.117.168.1982026-04-10 → 2026-05-09 · 2 obs
● 2026-05-09 10:20:30
○A210.211.113.1442017-11-08 → 2017-11-08 · 3 obs
○ 2026-04-10 20:21:50
○ 2026-05-09 10:20:30
○A45.117.168.1972026-04-10 → 2026-05-09 · 2 obs
○ 2026-05-09 10:20:30
●A45.117.168.1982026-04-10 → 2026-05-09 · 3 obs
● 2026-04-10 20:21:50
● 2026-05-09 10:20:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net... | - |
| bitexedu.com | ns1.viettelidc.com.vn, ns2.viettelidc.com.vn | - |
✅ Authoritative Response
Server:115.84.181.10
NS records: ns1.viettelidc.com.vn, ns2.viettelidc.com.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bitexedu.com (unsigned zone)
⏱️ Timing
Total: 1945ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.117.168.198 |
| NS | 3 | ns2.viettelidc.com.vn, ns1.viettelidc.com.vn... |
| MX | 1 | 45.117.168.198 (pri: 10) |
| TXT | 2 | MS=ms23780299, _globalsign-domain-verification=z0SuBito |
| SOA | 1 | ns2.viettelidc.com.vn hostmaster.bitexed |
Analysis
Hierarchy
bitexedu.com is a parent of hdsd880.bitexedu.com, athd.bitexedu.com, thicasio.bitexedu.com and bevesangtao.bitexedu.com.
IP Addresses
bitexedu.com points to a single IP address: 45.117.168.198.
Other host names such as athd.edu.vn, but.pilotvn.vn, hdsdcasio.bitex.vn, hdsd880.bitexedu.com and cataloge.bitex.vn share IPs with bitexedu.com.
Name Servers
bitexedu.com is delegated to three name servers: ns1.viettelidc.com.vn, ns2.viettelidc.com.vn and ns.viettelidc.com.vn.
bitexedu.com at least partially shares name servers with other domains, for example viora.com.vn, eme31.com.vn, tainguyenmoitruong.gov.vn, 0-24.254.212.125.in-addr.arpa and codienlvt.com.
These name servers are commonly used with ns1.vtdc.net and ns2.vtdc.net and ns.vtdc.net.
Host names with two IP numbers:
ns1.viettelidc.com.vn points to 2401:5f80:2000:2::4 and 115.84.177.33
ns2.viettelidc.com.vn points to 2401:5f80:4000:1::4 and 115.84.181.10
ns.viettelidc.com.vn points to 2401:5f80:2000:1::5 and 115.84.177.8
Mail Servers
The 45.117.168.198 mail server handles bitexedu.com.