itcd.edu.vn - robtex.com
itcd.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.68.251.166🇻🇳 POWERNET-VN103.68.248.0/22 | ||||||
| PTR | sv1166.powernet.vn | ||||||
| NS | dns1.powernet.vn ⭐ | ||||||
| A | 2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns1.dotvndns.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 | dns2.powernet.vn | ||||||
| A | 2406:9c80::9000:111🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns2.dotvndns.vn | ||||||
| A | 222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| PTR | static.vnpt.vn | ||||||
| SOA | dns1.powernet.vnhostmaster@itcd.edu.vn 2022-07-19 #4 | ||||||
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=2018564758 | ||||||
Subdomains
mail.itcd.edu.vn |
webmail.itcd.edu.vn |
website.itcd.edu.vn |
cpcontacts.itcd.edu.vn |
m.itcd.edu.vn |
autodiscover.itcd.edu.vn |
o69iay0p.itcd.edu.vn |
smtp.itcd.edu.vn |
hostmaster.itcd.edu.vn |
www.itcd.edu.vn |
webdisk.itcd.edu.vn |
cpcalendars.itcd.edu.vn |
Same first word
Similar names
DNS History
4 records (3 active, 1 former)
●NSdns1.powernet.vn2019-12-23 → 2026-05-10 · 2 obs
● 2026-05-10 01:48:56
●NSdns2.powernet.vn2019-12-23 → 2026-05-10 · 2 obs
● 2026-05-10 01:48:56
○A103.68.251.1152019-12-23 → 2019-12-23 · 3 obs
○ 2026-05-01 01:08:50
○ 2026-05-10 01:48:56
●A103.68.251.1662026-05-01 → 2026-05-10 · 3 obs
● 2026-05-01 01:08:50
● 2026-05-10 01:48:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | - |
| itcd.edu.vn | dns1.powernet.vn, dns2.powernet.vn | - |
✅ Authoritative Response
Server:112.213.89.3
NS records: dns1.powernet.vn, dns2.powernet.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for itcd.edu.vn (unsigned zone)
⏱️ Timing
Total: 1512ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.68.251.166 |
| NS | 2 | dns1.powernet.vn, dns2.powernet.vn |
| SOA | 1 | dns1.powernet.vn hostmaster.itcd.edu.vn |
Analysis
Hierarchy
itcd.edu.vn is a parent of mail.itcd.edu.vn, webmail.itcd.edu.vn, website.itcd.edu.vn, cpcontacts.itcd.edu.vn, m.itcd.edu.vn and a few other host names.
IP Addresses
itcd.edu.vn resolves to a single IP address: 103.68.251.166.
Other host names including ccc.dddd.itcd.edu.vn, webdisk.itcd.edu.vn, www.bizlawyer.vn, cpcalendars.itcd.edu.vn and sv1166.powernet.vn share IP numbers with itcd.edu.vn.
Name Servers
itcd.edu.vn's delegation uses two name servers, dns1.powernet.vn and dns2.powernet.vn.
itcd.edu.vn shares the same name server setup as other domains, for example nhaccuvanxuan.vn, daotao579.vn, khoadientuthongminh.com, rapidx.vn and thegioigear.vn.
itcd.edu.vn at least partially shares name servers with other domains, including hyundai3s-phamvandong.com, tridung.vn, bkmec.com, minhduc.com.vn and metaapp.edu.vn.
These name servers are commonly used with ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com, ns1.pavietnam.vn, ns3.dotvndns.vn, ns2.pavietnam.vn and dns0.powernet.vn.
Host names with two IPs:
dns1.powernet.vn points to: 2406:9c80::66 and 112.213.89.3
dns2.powernet.vn points to: 2406:9c80::9000:111 and 222.255.121.247