openapp.vn - robtex.com
openapp.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.121.91.186🇻🇳 BKNS-AS-VN103.121.90.0/23 BKNS-CG-VN 6th floor, 169 Nguyen Ngoc Vu, Trung Hoa, Cau Giay, Hanoi | ||||||
| NS | ns1.bkdns.vn ⭐ | ||||||
| NS | ns2.bkdns.vn | ||||||
| NS | ns3.bkdns.vn | ||||||
| SOA | ns1.bkdns.vnlemanhtoan@gmail.com 2026-04-09 #17 | ||||||
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=2030771107 | ||||||
Subdomains
www.openapp.vn |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●A103.121.91.1862026-05-01 → 2026-05-14 · 2 obs
● 2026-05-01 12:56:40
● 2026-05-14 05:07:44
● 2026-05-14 05:07:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| openapp.vn | ns1.bkdns.vn, ns2.bkdns.vn, ns3.bkdns.vn | 3 records |
✅ Authoritative Response
Server:103.48.81.11
NS records: ns1.bkdns.vn, ns2.bkdns.vn, ns3.bkdns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for openapp.vn (unsigned zone)
⏱️ Timing
Total: 4037ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.121.91.186 |
| NS | 3 | ns1.bkdns.vn, ns3.bkdns.vn... |
| SOA | 1 | ns1.bkdns.vn lemanhtoan.gmail.com |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns2.bkdns.vn, ns3.bkdns.vn, ns1.bkdns.vn)
Analysis
Hierarchy
openapp.vn is the parent of www.openapp.vn.
IP Addresses
openapp.vn resolves to one IP number: 103.121.91.186.
Other host names, for instance www.openapp.vn, share IP numbers with openapp.vn.
Name Servers
openapp.vn is delegated to three name servers ns1.bkdns.vn, ns2.bkdns.vn and ns3.bkdns.vn.
openapp.vn at least partially shares name servers with other domains, for instance binhminh-vietnam.com.vn, hoahuongduong.edu.vn, thanhngapaint.vn, mucedanang.edu.vn and locducmarket.vn.