c4u.vn - robtex.com
c4u.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.154.102.27🇻🇳 HARAVAN-AS-VN103.154.102.0/23 HARAVAN-VN | ||||||
| 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 | ||||||
| SOA | ns1.pavietnam.vnhostmaster@c4u.vn 2025-01-08 #8 | ||||||
vn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn | ||||||
| NS | b.dns-servers.vn | ||||||
| NS | c.dns-servers.vn | ||||||
| NS | d.dns-servers.vn | ||||||
| NS | e.dns-servers.vn | ||||||
| NS | f.dns-servers.vn | ||||||
| NS | g.dns-servers.vn | ||||||
| NS | h.dns-servers.vn | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2030735652 | ||||||
Subdomains
www.c4u.vn |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.pavietnam.vn2026-05-01 → 2026-05-05 · 2 obs
● 2026-05-05 19:03:40
●NSns2.pavietnam.vn2026-05-01 → 2026-05-05 · 2 obs
● 2026-05-05 19:03:40
●NSnsbak.pavietnam.net2026-05-01 → 2026-05-05 · 2 obs
● 2026-05-05 19:03:40
●A103.154.102.272026-05-01 → 2026-05-05 · 2 obs
● 2026-05-05 19:03:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| c4u.vn | ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net | 4 records |
✅ Authoritative Response
Server:112.213.89.22
NS records: ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for c4u.vn (unsigned zone)
⏱️ Timing
Total: 1711ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.154.102.27 |
| NS | 3 | ns2.pavietnam.vn, nsbak.pavietnam.net... |
| SOA | 1 | ns1.pavietnam.vn hostmaster.c4u.vn |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.pavietnam.vn, ns2.pavietnam.vn, ns1.pavietnam.vn...)
Analysis
Hierarchy
The parent of www.c4u.vn is c4u.vn.
IP Addresses
c4u.vn points to a single IP: 103.154.102.27.
Other host names, for instance camdi.com.vn, www.ruoubachkim.vn, remmus.vn, cafemangdi.com and www.xuongnoithat.vn share IP numbers with c4u.vn.
Name Servers
c4u.vn is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
c4u.vn partially shares name servers with other domains; examples include pianolovers.vn, ngukimhcm.com, invinhtri.vn, toanthang.vn and vijeco.com.
These name servers commonly accompany ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com and ns3.dotvndns.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.