imooc.vn - robtex.com
imooc.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 27.71.233.118🇻🇳 VIETEL-AS-AP27.71.232.0/21 Proxy-registered route object | ||||||
| NS | ns1.viettelidc.com.vn ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2401:5f80:2000:2::4🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN | ||||||
| A | 115.84.177.33🇻🇳 VTDC-AS-VN115.84.176.0/22 Proxy-registered route object | ||||||
| PTR | ns1.vtdc.net | ||||||
| PTR | ns1.viettelidc.com.vn | ||||||
| NS | ns.viettelidc.com.vn | ||||||
| A | 2401:5f80:2000:1::5🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN | ||||||
| A | 115.84.177.8🇻🇳 VTDC-AS-VN115.84.176.0/22 Proxy-registered route object | ||||||
| PTR | ns.vtdc.net | ||||||
| PTR | ns.viettelidc.com.vn | ||||||
| NS | ns2.viettelidc.com.vn | ||||||
| A | 2401:5f80:4000:1::4🇻🇳 VTDC-AS-VN2401:5f80:4000::/36 VTDC-VN | ||||||
| A | 115.84.181.10🇻🇳 VTDC-AS-VN115.84.180.0/22 Proxy-registered route object | ||||||
| PTR | ns2.vtdc.net | ||||||
| PTR | ns2.viettelidc.com.vn | ||||||
| TXT | _globalsign-domain-verification=arF1UDBmUeHwm4BhNAa5IFweEeDVodKBPndYAuM2LC | ||||||
| TXT | _globalsign-domain-verification=gOcR_Yw_vP3Yk300QLF2ItVpWhRIrT3aHPYrKkqefw | ||||||
| TXT | _globalsign-domain-verification=66uQoO2yoPhD9p_iHU5-ZNn4US8B6COEdUXXaDJuBj | ||||||
| TXT | _globalsign-domain-verification=aPcqHp7pCPyTaMz2v9nktrav6BV39NCCl5OYLNTr4O | ||||||
| TXT | _globalsign-domain-verification=-NhTc73ov7uR0lOrMQ7hLBH6cY9awTIZfdsOL3N_Aq | ||||||
| TXT | _globalsign-domain-verification=wCd1G4pjsFgbCfMBS0IXEHbOQcD-e4R_RQH5fkcKlE | ||||||
| SOA | ns.viettelidc.com.vnhostmaster@imooc.vn serial=1778388307 | ||||||
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=2030754014 | ||||||
Subdomains
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns.viettelidc.com.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 04:49:44
●NSns1.viettelidc.com.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 04:49:44
●NSns2.viettelidc.com.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 04:49:44
●A27.71.233.1182026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 04:49:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | - |
| imooc.vn | ns2.viettelidc.com.vn, ns1.viettelidc.com.vn | - |
✅ Authoritative Response
Server:115.84.181.10
NS records: ns2.viettelidc.com.vn, ns1.viettelidc.com.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for imooc.vn (unsigned zone)
⏱️ Timing
Total: 2173ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 27.71.233.118 |
| NS | 3 | ns.viettelidc.com.vn, ns1.viettelidc.com.vn... |
| TXT | 6 | _globalsign-domain-verification=arF1UDBm, _globalsign-domain-verification=gOcR_Yw_... |
| SOA | 1 | ns.viettelidc.com.vn hostmaster.imooc.vn |
Analysis
Hierarchy
imooc.vn is a parent of cdn.imooc.vn and www.imooc.vn.
IP Addresses
imooc.vn maps to IP address 27.71.233.118.
Other host names, for example, www.imooc.vn share IP numbers with imooc.vn.
Name Servers
imooc.vn is delegated to name servers ns1.viettelidc.com.vn, ns2.viettelidc.com.vn and ns.viettelidc.com.vn.
imooc.vn at least partially shares name servers with other domains such as triaxvn.com, vgwood.com, 0-24.234.71.27.in-addr.arpa, ngocdiepwindow.vn and vietteldc.com.
These name servers are commonly used alongside ns1.vtmgroup.com.vn, ns2.vtmgroup.com.vn and ns.vtmgroup.com.vn.
Host names with two IP numbers:
ns1.viettelidc.com.vn points to 2401:5f80:2000:2::4 and 115.84.177.33.
ns2.viettelidc.com.vn points to 2401:5f80:4000:1::4 and 115.84.181.10.
ns.viettelidc.com.vn points to 2401:5f80:2000:1::5 and 115.84.177.8.