studycorner.edu.vn - robtex.com
studycorner.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.107.182.121🇻🇳 VTN-1103.107.180.0/22 PEGA-VN PEGA-VN | ||||||
| NS | ns1.zonedns.vn ⭐ | ||||||
| A | 2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix | ||||||
| A | 64.176.84.220🇸🇬 AS-VULTR64.176.80.0/20 Vultr Assigned Prefix | ||||||
| PTR | ns1.zonedns.vn | ||||||
| NS | ns2.zonedns.vn | ||||||
| A | 2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix | ||||||
| A | 103.176.178.51🇻🇳 NHAN-HOA-AS-VN103.176.178.0/24 NINETECH-VN | ||||||
| NS | ns3.zonedns.vn | ||||||
| A | 2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN | ||||||
| A | 103.28.36.30🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN | ||||||
| NS | ns4.zonedns.vn | ||||||
| A | 2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN | ||||||
| A | 103.28.39.159🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN | ||||||
| SOA | ns1.zonedns.vnroot@studycorner.edu.vn 2025-09-24 #3 | ||||||
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=2018564885 | ||||||
Subdomains
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.zonedns.vn2026-04-30 → 2026-05-10 · 2 obs
● 2026-05-10 17:44:36
●NSns2.zonedns.vn2026-04-30 → 2026-05-10 · 2 obs
● 2026-05-10 17:44:36
●NSns3.zonedns.vn2026-04-30 → 2026-05-10 · 2 obs
● 2026-05-10 17:44:36
●NSns4.zonedns.vn2026-04-30 → 2026-05-10 · 2 obs
● 2026-05-10 17:44:36
●A103.107.182.1212026-04-30 → 2026-05-10 · 2 obs
● 2026-05-10 17:44:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | - |
| studycorner.edu.vn | ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn, ns1.zonedns.vn | - |
✅ Authoritative Response
Server:64.176.84.220
NS records: ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn, ns1.zonedns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studycorner.edu.vn (unsigned zone)
⏱️ Timing
Total: 2055ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.107.182.121 |
| NS | 4 | ns2.zonedns.vn, ns3.zonedns.vn... |
| SOA | 1 | ns1.zonedns.vn root.studycorner.edu.vn |
Analysis
Hierarchy
studycorner.edu.vn is parent of api.studycorner.edu.vn and admin.studycorner.edu.vn.
IP Addresses
studycorner.edu.vn resolves to a single IP address: 103.107.182.121.
Other host names including www.anhngumsngoc.com, tienganhmslinh.edu.vn, supperadmin.dev.vuaclass.com, ssssssssssssssss.vuasoft.com and admin.test.aeg.edu.vn share IP numbers with studycorner.edu.vn.
Name Servers
studycorner.edu.vn is delegated to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.
studycorner.edu.vn at least partially shares name servers with other domains, including ivs.com.vn, hvacgreen.vn, webluyenthi.com, saigonsbookhotel.com.vn and good1.vn.
These name servers are commonly used with ns2008.nhanhoa.com.vn and ns2009.nhanhoa.com.vn.
Host names with two IP numbers:
ns1.zonedns.vn points to: 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 64.176.84.220.
ns2.zonedns.vn points to: 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 103.176.178.51.
ns3.zonedns.vn points to: 2001:df1:3200::15 and 103.28.36.30.
ns4.zonedns.vn points to: 2001:df1:3200::15 and 103.28.39.159.
Names pointing to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33: ns1.zonedns.vn and ns2.zonedns.vn.
Names pointing to 2001:df1:3200::15: ns3.zonedns.vn and ns4.zonedns.vn.