cuongdung.vn - robtex.com
cuongdung.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.7.43.154🇻🇳 SUPERDATA103.7.43.0/24 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 | vps43154.superdata.vn | ||||||
| NS | nsbak.dotvndns.com ⭐ | ||||||
| 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 | ||||||
| NS | ns1.dotvndns.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.dotvndns.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 | ||||||
| MX | mail.cuongdung.vn ⭐ | ||||||
| A | 103.7.43.154🇻🇳 SUPERDATA103.7.43.0/24 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 | vps43154.superdata.vn | ||||||
| TXT | v=spf1 a mx ip4:103.7.43.154 ~all | ||||||
| SOA | nsbak.dotvndns.comhostmaster@cuongdung.vn 2024-05-09 #18 | ||||||
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=2030756073 | ||||||
Subdomains
mail.cuongdung.vn |
Same first word
cuongdung.vn |
cuongdung.com |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.dotvndns.vn2020-02-14 → 2026-05-10 · 2 obs
● 2026-05-10 19:23:08
●NSns2.dotvndns.vn2020-02-14 → 2026-05-10 · 2 obs
● 2026-05-10 19:23:08
●NSnsbak.dotvndns.com2020-02-14 → 2026-05-10 · 2 obs
● 2026-05-10 19:23:08
●MXmail.cuongdung.vn2020-02-14 → 2026-05-10 · 2 obs
● 2026-05-10 19:23:08
●A103.7.43.1542020-02-14 → 2026-05-10 · 2 obs
● 2026-05-10 19:23:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | b.dns-servers.vn, h.dns-servers.vn, a.dns-servers.vn, g.dns-servers.vn... | - |
| cuongdung.vn | ns1.dotvndns.vn, nsbak.dotvndns.com, ns2.dotvndns.vn | 4 records |
✅ Authoritative Response
Server:222.255.121.247
NS records: ns1.dotvndns.vn, nsbak.dotvndns.com, ns2.dotvndns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cuongdung.vn (unsigned zone)
⏱️ Timing
Total: 2047ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.7.43.154 |
| NS | 3 | ns1.dotvndns.vn, ns2.dotvndns.vn... |
| MX | 1 | mail.cuongdung.vn (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:103.7.43.154 ~all |
| SOA | 1 | nsbak.dotvndns.com hostmaster.cuongdung. |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.dotvndns.vn, ns2.dotvndns.vn, ns1.dotvndns.vn...)
Analysis
Hierarchy
cuongdung.vn is the parent of mail.cuongdung.vn.
IP Addresses
cuongdung.vn points to IP number 103.7.43.154.
For instance, other host names giatsaythongminh.vn, mail.cuongdung.vn, www.hightnest.vn, cwkleather.vn and huanluyenchosaigondog.com share IP numbers with cuongdung.vn.
Name Servers
The delegation for cuongdung.vn is handled by three name servers: nsbak.dotvndns.com, ns1.dotvndns.vn and ns2.dotvndns.vn.
cuongdung.vn shares name servers with other domains at least partially, for example tranaco.com.vn, ssi.com.vn, megacon.vn, dinhthi.net and xuongnoithatdep.com.
These name servers are commonly used together with ns1.pavietnam.vn, ns3.dotvndns.vn, ns2.pavietnam.vn and nsbak.pavietnam.net.
Host names with two IPs:
nsbak.dotvndns.com points to 2406:9c80::9000:302 and 112.213.89.22
ns1.dotvndns.vn points to 2406:9c80::66 and 112.213.89.3
ns2.dotvndns.vn points to 2406:9c80::9000:111 and 222.255.121.247
Mail Servers
cuongdung.vn is handled by a single mail server, mail.cuongdung.vn.
mail.cuongdung.vn points to a single IP: 103.7.43.154.