bachthinh.edu.vn - robtex.com
bachthinh.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.245.8.134🇻🇳 FPT-AS-AP210.245.8.0/21 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| NS | ns1.dotvndns.vn ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns1.dotvndns.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 | ns1.sapo.vn ⚠️ Not in zone NS records | ||||||
| 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.dotvndns.vn ⚠️ Not in parent delegation | ||||||
| A | 2406:9c80::9000:111🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns2.dotvndns.vn | ||||||
| A | 222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| PTR | static.vnpt.vn | ||||||
| NS | ns2.sapo.vn ⚠️ Not in zone NS records | ||||||
| A | 222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| PTR | static.vnpt.vn | ||||||
| MX | mail.bachthinh.edu.vn ⭐ | ||||||
| A | 210.245.8.134🇻🇳 FPT-AS-AP210.245.8.0/21 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | ns1.dotvndns.vnhostmaster@bachthinh.edu.vn 2022-10-28 #1 | ||||||
edu.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=2018564748 | ||||||
Subdomains
dddd.bachthinh.edu.vn |
website.bachthinh.edu.vn |
m.bachthinh.edu.vn |
mail.bachthinh.edu.vn |
webmail.bachthinh.edu.vn |
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| bachthinh.edu.vn | ns1.sapo.vn, ns2.sapo.vn | - |
✅ Authoritative Response
Server:222.255.121.247
NS records: ns1.sapo.vn, ns2.sapo.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bachthinh.edu.vn (unsigned zone)
⏱️ Timing
Total: 1428ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.245.8.134 |
| NS | 2 | ns2.dotvndns.vn, ns1.dotvndns.vn |
| MX | 1 | mail.bachthinh.edu.vn (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | ns1.dotvndns.vn hostmaster.bachthinh.edu |
Analysis
Hierarchy
bachthinh.edu.vn is the parent of dddd.bachthinh.edu.vn, website.bachthinh.edu.vn, m.bachthinh.edu.vn, mail.bachthinh.edu.vn and webmail.bachthinh.edu.vn.
IP Addresses
bachthinh.edu.vn points to a single IP address: 210.245.8.134.
Other host names such as mail.hadangmobile.vn, xeducquang.com, mail.kientructhudo.com, mail.thanglongcorp.vn and www.artexdongthap.vn share IP numbers with bachthinh.edu.vn.
Name Servers
bachthinh.edu.vn is delegated to four name servers: ns1.dotvndns.vn, ns2.dotvndns.vn, ns1.sapo.vn and ns2.sapo.vn.
At least part of the name servers for bachthinh.edu.vn are shared with other domains, for instance vietgap.com.vn, phutungxangdau.vn, longlongchem.com, tuoitrehaiduong.vn and dofico.com.vn.
these name servers are often used together with the name servers nsbak.dotvndns.com, ns1.pavietnam.vn, ns3.dotvndns.vn, ns2.pavietnam.vn, nsbak.pavietnam.net, ns1.dkt.com.vn, ns4.dotvndns.vn and nsbak.dotvndns.vn.
Host names with two IPs:
ns1.dotvndns.vn points to 2406:9c80::66 and 112.213.89.3
ns2.dotvndns.vn points to 2406:9c80::9000:111 and 222.255.121.247
Host names with one IP:
ns1.sapo.vn points to 112.213.89.3
ns2.sapo.vn points to 222.255.121.247
Host names that point to 112.213.89.3: ns1.dotvndns.vn and ns1.sapo.vn
Host names that point to 222.255.121.247: ns2.dotvndns.vn and ns2.sapo.vn
Mail Servers
The mail server for bachthinh.edu.vn is mail.bachthinh.edu.vn.
Host mail.bachthinh.edu.vn points to IP 210.245.8.134.