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=2018564509 | ||||||
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 → 2026-05-08 · 2 obs
● 2026-05-08 13:51:02
●A42.119.236.2332026-05-01 → 2026-05-08 · 2 obs
● 2026-05-08 13:51:02
🔍 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 | ns5.tenten.vn, ns6.tenten.vn, ns4.tenten.vn | - |
✅ Authoritative Response
Server:103.18.7.205
NS records: ns5.tenten.vn, ns6.tenten.vn, ns4.tenten.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for study.edu.vn (unsigned zone)
⏱️ Timing
Total: 2149ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 42.119.236.233 |
| NS | 3 | ns5.tenten.vn, ns4.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
study.edu.vn is the parent of 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.
IP Addresses
study.edu.vn points to an IP address: 42.119.236.233.
other host names include m.study.edu.vn, ns11.megahost.vn, mail.giaotrinh.edu.vn, klisa.shop.vndg.vn and www.spacelinks.vn; they 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.
study.edu.vn at least partially shares name servers with other domains, for instance thietbiminhphong.vn, xeototai.vn, xemayhoanghiep.com.vn, peacelands.vn and topshare.vn.
These name servers are commonly used alongside ns1.tenten.vn, ns2.tenten.vn and ns3.tenten.vn.
Host names with two IP numbers:
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
study.edu.vn is handled by a single mail server, mail.study.edu.vn.
The host name mail.study.edu.vn points to IP 42.119.236.233.