b2bskill.vn - robtex.com
b2bskill.vn
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=2030751029 | ||||||
Subdomains
apps.b2bskill.vn |
Same first word
b2bskill.vn |
DNS History
6 records (6 active, 0 former)
●NSns1.matbao.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 06:09:36
●NSns2.matbao.com2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 06:09:36
●MXssl.emailserver.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 06:09:36
●A103.82.36.622026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 06:09:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | - |
| b2bskill.vn | ns1.matbao.vn, ns2.matbao.vn | 2 records |
✅ Authoritative Response
Server:13.250.228.99
NS records: ns1.matbao.vn, ns2.matbao.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for b2bskill.vn (unsigned zone)
⏱️ Timing
Total: 1434ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.82.36.62 |
| NS | 2 | ns2.matbao.com, ns1.matbao.com |
| MX | 1 | ssl.emailserver.vn (pri: 10) |
| TXT | 1 | v=spf1 mx include:emailserver.vn -all |
| SOA | 1 | ns1.matbao.com admin.matbao.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.matbao.vn, ns1.matbao.vn)
Analysis
Hierarchy
b2bskill.vn is a parent of apps.b2bskill.vn.
IP Addresses
b2bskill.vn points to a single IP number: 103.82.36.62.
Other host names, for instance apps.b2bskill.vn, share IP numbers with b2bskill.vn.
Name Servers
b2bskill.vn is delegated to four name servers: ns1.matbao.com, ns2.matbao.com, ns1.matbao.vn and ns2.matbao.vn.
b2bskill.vn at least partially shares name servers with other domains, for instance thaichi.vn, thotcanh-36.click, hahomevn.com, venusvietnam.vn and xekhachansinh.com.
these name servers are commonly used with ns-bak.matbao.com, ns3.matbao.com and ns4.matbao.com.
Hostnames with two IP numbers
ns1.matbao.com points to 13.250.228.99 and 103.110.128.60
ns2.matbao.com points to 35.198.203.127 and 103.138.89.11
ns1.matbao.vn points to 13.250.228.99 and 103.110.128.60
ns2.matbao.vn points to 35.198.203.127 and 103.138.89.11
Pointing to 13.250.228.99: ns1.matbao.com and ns1.matbao.vn
Pointing to 103.110.128.60: ns1.matbao.com and ns1.matbao.vn
Pointing to 35.198.203.127: ns2.matbao.com and ns2.matbao.vn
Pointing to 103.138.89.11: ns2.matbao.com and ns2.matbao.vn
Mail Servers
b2bskill.vn is handled by a single mail server, ssl.emailserver.vn.
b2bskill.vn uses the same mail server configuration as other domains, such as piron.vn, scfamily.vn, dvxdcn.com, wonlex.vn and danangjob.vn.
b2bskill.vn shares mail servers with other domains at least in part, for instance napaco.vn, jtshop.vn, invinhphat.vn, khoedeptoday.vn and congnghetruongphat.com.
ssl.emailserver.vn points to a single IP: 203.171.31.205.