classon.edu.vn - robtex.com
classon.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 117.122.125.107🇻🇳 VNNIC117.122.124.0/22 -AS-VN | ||||||
| PTR | biz.vnnic.vn | ||||||
| PTR | speakers.vnnic.vn | ||||||
| NS | ns-hold.vnnic.vn ⚠️ Not in zone NS records | ||||||
| A | 117.122.125.107🇻🇳 VNNIC117.122.124.0/22 -AS-VN | ||||||
| PTR | biz.vnnic.vn | ||||||
| PTR | speakers.vnnic.vn | ||||||
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=2018564750 | ||||||
Subdomains
Same first word
classon.org |
classon.com |
classon.edu.vn |
classon.ru |
classon.me |
classon.net |
classon.se |
classon.nu |
classon.eu |
classon.us |
classon.de |
Similar names
DNS History
2 records (2 active, 0 former)
●A117.122.125.1072026-04-30 → 2026-05-09 · 4 obs
○ 2026-04-30 22:46:48
● 2026-05-08 14:47:16
● 2026-05-09 23:49:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| classon.edu.vn | ns-hold.vnnic.vn | - |
✅ Authoritative Response
Server:117.122.125.107
NS records: ns-hold.vnnic.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for classon.edu.vn (unsigned zone)
⏱️ Timing
Total: 4732ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 117.122.125.107 |
Analysis
Hierarchy
classon.edu.vn has children lms.classon.edu.vn, www.classon.edu.vn and auth.classon.edu.vn.
IP Addresses
classon.edu.vn resolves to a single IP: 117.122.125.107.
Other host names, for instance d08ee5d8-2f08-4d21-9b7c-aeaeb12014b2.duhocnhatban.edu.vn, www.tanit.vn, xetaichienthang.vn, smtp.bykim.vn and boarding.vietlish.edu.vn share IP numbers with classon.edu.vn.
Name Servers
classon.edu.vn is delegated to a single name server ns-hold.vnnic.vn.
classon.edu.vn shares the same name server setup as other domains, for example dinhduongmamnon.vn, maynuocnongsolahart.vn, dracorp.com.vn, giaoducnhatrang.edu.vn and ning.vn.
Host name ns-hold.vnnic.vn points to IP 117.122.125.107.