vca.edu.vn - robtex.com
vca.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 222.255.0.46🇻🇳 VTN-1222.255.0.0/23 VNPT | ||||||
| PTR | static.vnpt.vn | ||||||
| NS | ns4.tenten.vn ⭐ | ||||||
| A | 2404:f080:1101:302:a163:44:193:20🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi | ||||||
| PTR | ns4.tenten.vn | ||||||
| A | 103.18.7.204🇻🇳 GMO-ZCOM-AS-VN103.18.6.0/23 RUNSYSTEM-VN | ||||||
| PTR | ns4.tenten.vn | ||||||
| NS | ns5.tenten.vn | ||||||
| A | 2404:f080:1101:302:a163:44:193:21🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi | ||||||
| PTR | ns5.tenten.vn | ||||||
| A | 103.18.7.205🇻🇳 GMO-ZCOM-AS-VN103.18.6.0/23 RUNSYSTEM-VN | ||||||
| PTR | ns5.tenten.vn | ||||||
| NS | ns6.tenten.vn | ||||||
| A | 2404:f080:1101:302:a163:44:193:22🇻🇳 GMO-ZCOM-AS-VN2404:f080:1000::/36 GMO-Z.com RUNSYSTEM JSC. Ocean Park Building 6th Floor, 1 Dao Duy Anh, Phuong Mai Ward, Dong Da Dist, Ha Noi | ||||||
| PTR | ns6.tenten.vn | ||||||
| A | 52.74.6.184🇸🇬 Amazon52.74.0.0/16 SIN prefix | ||||||
| PTR | ec2-52-74-6-184.ap-southeast-1.compute.amazonaws.com | ||||||
| MX | mail.vca.edu.vn ⭐ | ||||||
| A | 222.255.0.46🇻🇳 VTN-1222.255.0.0/23 VNPT | ||||||
| PTR | static.vnpt.vn | ||||||
| TXT | v=spf1 mx a ip4:222.255.0.46 ~all | ||||||
| SOA | ns4.tenten.vnhostmaster@vca.edu.vn 2018-05-04 #16 | ||||||
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=2018564748 | ||||||
Subdomains
mail.vca.edu.vn |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXmail.vca.edu.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 19:45:58
●A222.255.0.462026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 19:45:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | d.dns-servers.vn, a.dns-servers.vn, h.dns-servers.vn, g.dns-servers.vn... | - |
| vca.edu.vn | ns4.tenten.vn, ns5.tenten.vn, ns6.tenten.vn | - |
✅ Authoritative Response
Server:52.74.6.184
NS records: ns4.tenten.vn, ns5.tenten.vn, ns6.tenten.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for vca.edu.vn (unsigned zone)
⏱️ Timing
Total: 2669ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 222.255.0.46 |
| NS | 3 | NS4.TENTEN.vn, NS5.TENTEN.vn... |
| MX | 1 | mail.vca.edu.vn (pri: 10) |
| TXT | 1 | v=spf1 mx a ip4:222.255.0.46 ~all |
| SOA | 1 | ns4.tenten.vn hostmaster.vca.edu.vn |
Analysis
Hierarchy
vca.edu.vn is the parent of mail.vca.edu.vn.
IP Addresses
vca.edu.vn points to IP number 222.255.0.46.
Other host names for example mail.vca.edu.vn, hocvientoaan.edu.vn and hvta.toaan.gov.vn share IP numbers with vca.edu.vn.
Name Servers
The delegation for vca.edu.vn is handled by three name servers: ns4.tenten.vn, ns5.tenten.vn and ns6.tenten.vn.
vca.edu.vn shares name servers with other domains at least partially, for example famatelvietnam.com.vn, vinaweb.com.vn, metranbx.vn, thegioixedien.com.vn and topdesign.com.vn.
These name servers are commonly used with ns1.tenten.vn, ns2.tenten.vn and ns3.tenten.vn.
Host names with two IPs:
ns4.tenten.vn points to 2404:f080:1101:302:a163:44:193:20 and 103.18.7.204
ns5.tenten.vn points to 2404:f080:1101:302:a163:44:193:21 and 103.18.7.205
ns6.tenten.vn points to 2404:f080:1101:302:a163:44:193:22 and 52.74.6.184
Mail Servers
vca.edu.vn is handled by a single mail server, mail.vca.edu.vn.
mail.vca.edu.vn points to a single IP: 222.255.0.46.