ca.edu.vn - robtex.com
ca.edu.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=2018562830 | ||||||
Subdomains
autodiscover.ca.edu.vn |
www.ca.edu.vn |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.pavietnam.vn2026-05-01 → 2026-05-01 · 2 obs
● 2026-05-01 10:29:52
●NSns2.pavietnam.vn2026-05-01 → 2026-05-01 · 2 obs
● 2026-05-01 10:29:52
●NSnsbak.pavietnam.net2026-05-01 → 2026-05-01 · 2 obs
● 2026-05-01 10:29:52
●MXca-edu-vn.mail.protection.outlook.com2026-05-01 → 2026-05-01 · 2 obs
● 2026-05-01 10:29:52
●A103.77.162.92026-05-01 → 2026-05-01 · 2 obs
● 2026-05-01 10:29:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| ca.edu.vn | ns2.pavietnam.vn, nsbak.pavietnam.net, ns1.pavietnam.vn | - |
✅ Authoritative Response
Server:222.255.121.247
NS records: ns2.pavietnam.vn, nsbak.pavietnam.net, ns1.pavietnam.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ca.edu.vn (unsigned zone)
⏱️ Timing
Total: 1974ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.77.162.9 |
| NS | 3 | nsbak.pavietnam.net, ns2.pavietnam.vn... |
| MX | 1 | ca-edu-vn.mail.protection.outlook.com (p |
| TXT | 2 | v=spf1 include:spf.protection.outlook.co, MS=ms14129841 |
| SOA | 1 | ns2.pavietnam.vn hostmaster.ca.edu.vn |
Analysis
Hierarchy
ca.edu.vn is a parent of autodiscover.ca.edu.vn and www.ca.edu.vn.
IP Addresses
ca.edu.vn points to IP number 103.77.162.9.
For instance, other host names 365energy.vn, www.viethuong.com.vn, mail.baovelonghaivietnam.com, hyundaiangiang.com and ipv6.xskttg.com.vn share IP numbers with ca.edu.vn.
Name Servers
The delegation for ca.edu.vn is handled by three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
ca.edu.vn shares name servers with other domains at least partially, for example tokyo.vn, hunggialong.vn, duanthewincity.com.vn, liantex-corp.com and duoctu-hd.edu.vn.
These name servers are commonly used with ns1.dotvndns.vn, ns2.dotvndns.vn and nsbak.dotvndns.com.
Host names with two IPs:
nsbak.pavietnam.net points to 2406:9c80::9000:302 and 112.213.89.22
ns1.pavietnam.vn points to 2406:9c80::66 and 112.213.89.3
ns2.pavietnam.vn points to 2406:9c80::9000:111 and 222.255.121.247
Mail Servers
ca.edu.vn is handled by a single mail server, ca-edu-vn.mail.protection.outlook.com.
Host name ca-edu-vn.mail.protection.outlook.com points to six IP numbers: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.