class-cps.edu.vn - robtex.com
class-cps.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.75.185.14🇻🇳 VNPT-AS-VN103.75.184.0/22 Inet software one member company limited INETSOFT-VN | ||||||
| NS | ns-master.inet.vn ⭐ | ||||||
| A | 202.92.4.8🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN | ||||||
| NS | ns1.inet.vn | ||||||
| A | 2001:df7:ce00:1::7🇻🇳 VNPT-AS-VN2001:df7:ce00::/48 INETSOFT-VN Inet software one member company limited | ||||||
| A | 202.92.4.25🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN | ||||||
| NS | ns2.inet.vn | ||||||
| A | 2401:5f80:2001:4::30🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN | ||||||
| A | 210.211.99.38🇻🇳 VTDC-AS-VN210.211.99.0/24 Proxy-registered route object | ||||||
| NS | ns3.inet.vn | ||||||
| A | 2401:5f80:4001:4::14🇻🇳 VTDC-AS-VN2401:5f80:4000::/36 VTDC-VN | ||||||
| A | 203.113.174.42🇻🇳 VTDC-AS-VN203.113.174.0/23 VIETTEL-VN | ||||||
| TXT | google-site-verification=MruABKx0M07MNmcA81Vhv7t7IKOqUswTtZ_aiH2pf38 | ||||||
| SOA | ns-master.inet.vnpostmaster@inet.vn 2015-07-28 #0 | ||||||
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=2018564639 | ||||||
Subdomains
www.class-cps.edu.vn |
Same first word
class-cps.edu.vn |
DNS History
5 records (5 active, 0 former)
●NSns-master.inet.vn2026-04-30 → 2026-05-09 · 5 obs
● 2026-05-01 00:20:20
○ 2026-05-01 01:03:04
● 2026-05-01 01:36:18
● 2026-05-09 13:52:20
●NSns1.inet.vn2026-04-30 → 2026-05-09 · 5 obs
● 2026-05-01 00:20:20
○ 2026-05-01 01:03:04
● 2026-05-01 01:36:18
● 2026-05-09 13:52:20
●NSns2.inet.vn2026-04-30 → 2026-05-09 · 5 obs
● 2026-05-01 00:20:20
○ 2026-05-01 01:03:04
● 2026-05-01 01:36:18
● 2026-05-09 13:52:20
●NSns3.inet.vn2026-04-30 → 2026-05-09 · 5 obs
● 2026-05-01 00:20:20
○ 2026-05-01 01:03:04
● 2026-05-01 01:36:18
● 2026-05-09 13:52:20
●A103.75.185.142026-04-30 → 2026-05-09 · 5 obs
● 2026-05-01 00:20:20
○ 2026-05-01 01:03:04
● 2026-05-01 01:36:18
● 2026-05-09 13:52:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| class-cps.edu.vn | ns2.inet.vn, ns3.inet.vn, ns1.inet.vn | - |
✅ Authoritative Response
Server:210.211.99.38
NS records: ns2.inet.vn, ns3.inet.vn, ns1.inet.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for class-cps.edu.vn (unsigned zone)
⏱️ Timing
Total: 1642ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.75.185.14 |
| NS | 3 | ns3.inet.vn, ns2.inet.vn... |
| TXT | 1 | google-site-verification=MruABKx0M07MNmc |
| SOA | 1 | ns-master.inet.vn postmaster.inet.vn |
Analysis
Hierarchy
class-cps.edu.vn is a parent of www.class-cps.edu.vn.
IP Addresses
class-cps.edu.vn points to a single IP address: 103.75.185.14.
Other host names such as zdujbwww.muanuocnoi.spencil.vn, trungtamanhngu.net, taxihaiphong.pro.vn, leveler.vn and igc.vn share IP numbers with class-cps.edu.vn.
Name Servers
class-cps.edu.vn is delegated to four name servers: ns-master.inet.vn, ns1.inet.vn, ns2.inet.vn and ns3.inet.vn.
At least part of the name servers for class-cps.edu.vn are shared with other domains, for instance khoahockynang.com, apluslaw.vn, drapow.vn, sportgd.com.vn and muachung.vn.
These name servers are commonly used alongside ns1.it.vn and ns2.it.vn.
Two IP numbers per host:
ns1.inet.vn points to 2001:df7:ce00:1::7 and 202.92.4.25.
ns2.inet.vn points to 2401:5f80:2001:4::30 and 210.211.99.38.
ns3.inet.vn points to 2401:5f80:4001:4::14 and 203.113.174.42.
One IP number per host:
ns-master.inet.vn points to 202.92.4.8.