lead.edu.vn - robtex.com
lead.edu.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.77.162.20🇻🇳 SUPERDATA103.77.162.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | firefoot.maychu.cloud | ||||||
| NS | ns1.pavietnam.vn ⭐ | ||||||
| A | 2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns1.dotvndns.vn | ||||||
| A | 112.213.89.3🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | ns1.dotvndns.vn | ||||||
| NS | ns2.pavietnam.vn | ||||||
| A | 2406:9c80::9000:111🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns2.dotvndns.vn | ||||||
| A | 222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| PTR | static.vnpt.vn | ||||||
| NS | nsbak.pavietnam.net | ||||||
| A | 2406:9c80::9000:302🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | nsbak.dotvndns.com | ||||||
| A | 112.213.89.22🇻🇳 SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | ns8922.dotvndns.vn | ||||||
| MX | mail.lead.edu.vn ⭐ | ||||||
| A | 103.77.162.20🇻🇳 SUPERDATA103.77.162.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi | ||||||
| PTR | firefoot.maychu.cloud | ||||||
| TXT | zoho-verification=zb92129237.zmverify.zoho.com | ||||||
| TXT | v=spf1 ip4:103.77.162.20 +a +mx +ip4:103.77.162.2 ~all | ||||||
| SOA | ns1.pavietnam.vnhostmaster@lead.edu.vn 2023-04-25 #19 | ||||||
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=2018564634 | ||||||
Subdomains
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.pavietnam.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 10:00:20
●NSns2.pavietnam.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 10:00:20
●NSnsbak.pavietnam.net2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 10:00:20
●MXmail.lead.edu.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 10:00:20
●A103.77.162.202026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 10:00:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | - |
| lead.edu.vn | ns1.pavietnam.vn, nsbak.pavietnam.net, ns2.pavietnam.vn | - |
✅ Authoritative Response
Server:112.213.89.3
NS records: ns1.pavietnam.vn, nsbak.pavietnam.net, ns2.pavietnam.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lead.edu.vn (unsigned zone)
⏱️ Timing
Total: 2308ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.77.162.20 |
| NS | 3 | ns2.pavietnam.vn, ns1.pavietnam.vn... |
| MX | 1 | mail.lead.edu.vn (pri: 10) |
| TXT | 2 | zoho-verification=zb92129237.zmverify.zo, v=spf1 ip4:103.77.162.20 +a +mx +ip4:103 |
| SOA | 1 | ns1.pavietnam.vn hostmaster.lead.edu.vn |
Analysis
Hierarchy
lead.edu.vn is a parent of www.lead.edu.vn and mail.lead.edu.vn.
IP Addresses
lead.edu.vn resolves to one IP number: 103.77.162.20.
other host names including changagoikhachsan.vn, www.amdvietnam.com.vn, codupha.com.vn, www.esatech.vn and vantaiduongsathanoi.vn share IP numbers with lead.edu.vn.
Name Servers
lead.edu.vn is delegated to three name servers nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
lead.edu.vn at least partially shares name servers with other domains, for instance tinhocdaiduong.vn, tungduong.vn, atdtourist.com, caodangthuchanh.edu.vn and ruthamcau.info.vn.
these name servers are often used together with ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com and nsbak.pavietnam.vn.
Host names with two IP numbers:
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
lead.edu.vn is handled by a single mail server, mail.lead.edu.vn.
mail.lead.edu.vn resolves to IP 103.77.162.20.