study.edu.vn - robtex.com
study.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 42.119.236.233🇻🇳 FPT-AS-AP42.119.224.0/20 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | share-236-233.megahost.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.study.edu.vn ⭐ | ||||||
| A | 42.119.236.233🇻🇳 FPT-AS-AP42.119.224.0/20 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | share-236-233.megahost.vn | ||||||
| TXT | v=spf1 mx a ip4:42.119.236.233 ~all | ||||||
| SOA | ns4.tenten.vnhostmaster@study.edu.vn 2025-09-24 #15 | ||||||
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=2018570674 | ||||||
Subdomains
lvxaecpcontacts.study.edu.vn |
study.study.edu.vn |
smtp.study.edu.vn |
rnkcesmtp.study.edu.vn |
autodiscover.study.edu.vn |
kkmkdsmtp.study.edu.vn |
m.study.edu.vn |
www.study.edu.vn |
mail1.study.edu.vn |
hanoi.study.edu.vn |
hostmaster.study.edu.vn |
gpmxwmail.study.edu.vn |
mail.study.edu.vn |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●MXmail.study.edu.vn2026-05-01 → 2026-06-02 · 2 obs
● 2026-06-02 12:37:48
●A42.119.236.2332026-05-01 → 2026-06-02 · 2 obs
● 2026-06-02 12:37:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| study.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 study.edu.vn (unsigned zone)
⏱️ Timing
Total: 1851ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 42.119.236.233 |
| NS | 3 | ns6.tenten.vn, ns5.tenten.vn... |
| MX | 1 | mail.study.edu.vn (pri: 10) |
| TXT | 1 | v=spf1 mx a ip4:42.119.236.233 ~all |
| SOA | 1 | ns4.tenten.vn hostmaster.study.edu.vn |
Analysis
Hierarchy
lvxaecpcontacts.study.edu.vn, study.study.edu.vn, smtp.study.edu.vn, rnkcesmtp.study.edu.vn, autodiscover.study.edu.vn and a few other host names are all children of study.edu.vn.
IP Addresses
study.edu.vn resolves to one IP address: 42.119.236.233.
m.study.edu.vn, ns11.megahost.vn, mail.giaotrinh.edu.vn and two other host names share IP numbers with study.edu.vn.
Name Servers
study.edu.vn is delegated to three name servers: ns4.tenten.vn, ns5.tenten.vn and ns6.tenten.vn.
The name servers of study.edu.vn overlap at least partially with those of other domains — among them thietbiminhphong.vn, xeototai.vn, xemayhoanghiep.com.vn and two more.
The name servers ns1.tenten.vn, ns2.tenten.vn and ns3.tenten.vn are commonly seen alongside these name servers.
ns4.tenten.vn, ns5.tenten.vn and ns6.tenten.vn each resolve to two IP addresses: ns4.tenten.vn resolves to 103.18.7.204 and 2404:f080:1101:302:a163:44:193:20; ns5.tenten.vn resolves to 103.18.7.205 and 2404:f080:1101:302:a163:44:193:21; ns6.tenten.vn resolves to 52.74.6.184 and 2404:f080:1101:302:a163:44:193:22.
Mail Servers
Mail for study.edu.vn is handled by a single mail server, mail.study.edu.vn.
mail.study.edu.vn resolves to a single IP number: 42.119.236.233.