tongkhocua.com - robtex.com
tongkhocua.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:df7:ce00:16::3:0🇻🇳 VNPT-AS-VN2001:df7:ce00::/48 INETSOFT-VN Inet software one member company limited | ||||||
| A | 103.56.163.10🇻🇳 VNPT-AS-VN103.56.160.0/22 INETSOFT-VN | ||||||
| A | 103.166.183.10🇻🇳 VNPT-AS-VN103.166.182.0/23 ZOZO-VN | ||||||
| A | 103.216.118.10🇻🇳 VNPT-AS-VN103.216.116.0/22 INETSOFT-VN | ||||||
| NS | catba.vclouddns.com ⭐ | ||||||
| A | 103.216.118.6🇻🇳 VNPT-AS-VN103.216.116.0/22 INETSOFT-VN | ||||||
| NS | haiphong.vclouddns.com | ||||||
| A | 103.72.97.79🇻🇳 INETSOFT-AS-VN103.72.96.0/22 INETSOFT-VN | ||||||
| SOA | catba.vclouddns.comhostmaster@tongkhocua.com 2025-06-17 #1 | ||||||
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=1778727196 | ||||||
Same first word
tongkhocua.com |
Similar names
DNS History
6 records (6 active, 0 former)
●NScatba.vclouddns.com2026-05-01 → 2026-05-14 · 2 obs
● 2026-05-14 03:17:12
●NShaiphong.vclouddns.com2026-05-01 → 2026-05-14 · 2 obs
● 2026-05-14 03:17:12
●A103.166.183.102026-05-13 → 2026-05-14 · 2 obs
● 2026-05-14 03:17:12
●A103.216.118.102026-05-13 → 2026-05-14 · 2 obs
● 2026-05-14 03:17:12
●A103.56.163.102026-05-13 → 2026-05-14 · 2 obs
● 2026-05-14 03:17:12
●A2001:df7:ce00:16::3:02026-05-13 → 2026-05-14 · 2 obs
● 2026-05-14 03:17:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| tongkhocua.com | catba.vclouddns.com, haiphong.vclouddns.com | 2 records |
✅ Authoritative Response
Server:103.216.118.6
NS records: catba.vclouddns.com, haiphong.vclouddns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tongkhocua.com (unsigned zone)
⏱️ Timing
Total: 970ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 3 | 103.216.118.10, 103.166.183.10... |
| AAAA | 1 | 2001:df7:ce00:16::3:0 |
| NS | 2 | haiphong.vclouddns.com, catba.vclouddns.com |
| SOA | 1 | catba.vclouddns.com hostmaster.tongkhocu |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (catba.vclouddns.com, haiphong.vclouddns.com)
Analysis
IP Addresses
tongkhocua.com resolves to four IP numbers: 2001:df7:ce00:16::3:0, 103.56.163.10, 103.166.183.10 and 103.216.118.10.
Other host names such as peanut.id.vn, longphutea.com.vn, phanphoidien.vn, 115.vn and acclienquan.vn share IPs with tongkhocua.com.
Name Servers
tongkhocua.com is delegated to two name servers: catba.vclouddns.com and haiphong.vclouddns.com.
tongkhocua.com shares the same name server setup as tenmieninet.com, peanut.id.vn, tramhuonghanoi.com, ecovillagesaigonriver.com.vn and dienanhnet.vn.
tongkhocua.com shares some name servers with other domains, for instance anzumeit.vn.
Host names with a single IP:
catba.vclouddns.com points to 103.216.118.6.
haiphong.vclouddns.com points to 103.72.97.79.