tcool.vn - robtex.com
tcool.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.173.67.83🇻🇳 EZTECH-VN103.173.67.0/24 THREESDIGITAL-VN | ||||||
| NS | ns1.zhost.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 | dnsbak.zhost.vn | ||||||
| NS | ns2.zhost.vn | ||||||
| A | 222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| PTR | static.vnpt.vn | ||||||
| SOA | ns1.zhost.vnhostmaster@tcool.vn 2025-08-11 #2 | ||||||
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=2030751029 | ||||||
Subdomains
www.tcool.vn |
Same first word
tcool.com |
tcool.org |
tcool.fr |
tcool.ru |
tcool.cc |
tcool.vn |
tcool.cn |
tcool.be |
tcool.net |
tcool.eu |
tcool.co.uk |
tcool.jp |
tcool.de |
Similar names
DNS History
4 records (4 active, 0 former)
●A103.173.67.832026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 06:08:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | e.dns-servers.vn, d.dns-servers.vn, g.dns-servers.vn, b.dns-servers.vn... | - |
| tcool.vn | ns2.zhost.vn, ns1.zhost.vn, dnsbak.zhost.vn | - |
✅ Authoritative Response
Server:112.213.89.3
NS records: ns2.zhost.vn, ns1.zhost.vn, dnsbak.zhost.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tcool.vn (unsigned zone)
⏱️ Timing
Total: 3541ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.173.67.83 |
| NS | 3 | ns2.zhost.vn, dnsbak.zhost.vn... |
| SOA | 1 | ns1.zhost.vn hostmaster.tcool.vn |
Analysis
Hierarchy
www.tcool.vn has tcool.vn as its parent.
IP Addresses
tcool.vn maps to IP address 103.173.67.83.
Other host names, for instance b.phucgia.com.vn, webmail.aismarthome.vn, thuyhactech.store, aqaraviet.com.vn.aismarthome.vn and mail.vmbadminton.vn share IP numbers with tcool.vn.
Name Servers
tcool.vn is delegated to name servers dnsbak.zhost.vn, ns1.zhost.vn and ns2.zhost.vn.
tcool.vn at least partially shares name servers with other domains such as vpte.com.vn, aismarthome.vn, genzic.vn, polyskill.vn and taxitaichuyennhatrongoi.com.
These name servers are commonly used with ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.zhost.vn and ns1.dns-parking.com.
Host names with a single IP address:
ns1.zhost.vn points to 112.213.89.3
ns2.zhost.vn points to 222.255.121.247