tclass.vn - robtex.com
tclass.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.3.247.7🇻🇳 BKNS-AS-VN103.3.247.0/24 VDATA-VN | ||||||
| NS | ns1.bkdns.vn ⭐ | ||||||
| A | 2403:6a40:1:81::11:1🇻🇳 VNPT-AS-VN2403:6a40:1::/48 BKNS-VN | ||||||
| A | 103.48.81.11🇻🇳 VNPT-AS-VN103.48.80.0/22 BKNS-VN | ||||||
| NS | ns2.bkdns.vn | ||||||
| NS | ns3.bkdns.vn | ||||||
| A | 2403:6a40:0:123::250:1🇻🇳 BKNS-AS-VN2403:6a40::/48 BKNS-VN BKNS-VN | ||||||
| A | 103.74.123.250🇻🇳 BKNS-AS-VN103.74.122.0/23 CNBKNS-VN | ||||||
| SOA | ns1.bkdns.vnminhthin1004@gmail.com 2023-10-17 #5 | ||||||
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=2031059704 | ||||||
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●A103.3.247.72026-05-01 → 2026-07-31 · 2 obs
● 2026-07-31 16:56:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | - |
| tclass.vn | ns1.bkdns.vn, ns2.bkdns.vn, ns3.bkdns.vn | 3 records |
✅ Authoritative Response
Server:103.74.123.250
NS records: ns1.bkdns.vn, ns2.bkdns.vn, ns3.bkdns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tclass.vn (unsigned zone)
⏱️ Timing
Total: 4260ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.3.247.7 |
| NS | 3 | ns2.bkdns.vn, ns3.bkdns.vn... |
| SOA | 1 | ns1.bkdns.vn minhthin1004.gmail.com |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.bkdns.vn, ns2.bkdns.vn, ns3.bkdns.vn)
Analysis
IP Addresses
tclass.vn directs to one IP number, which is 103.3.247.7.
Among the host names that share IP numbers with tclass.vn are mail.inoxhoaphat.vn, www.nestworld.com.vn, mail.dinhvisieunho.com and two others.
Name Servers
Three name servers are authoritative for tclass.vn: ns1.bkdns.vn, ns2.bkdns.vn and ns3.bkdns.vn.
At least some of tclass.vn's name servers are shared with other domains, for example 245.3.103.in-addr.arpa, quangcaoninhhoa.com, littlestar.edu.vn and two more.
Each of the two host names carries two IP addresses: ns1.bkdns.vn points to 103.48.81.11 and 2403:6a40:1:81::11:1, and ns3.bkdns.vn points to 103.74.123.250 and 2403:6a40:0:123::250:1.