copbest.vn - robtex.com
copbest.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.221.223.90🇻🇳 AZDIGI-AS-VN103.221.220.0/22 AZDIGI-VN | ||||||
| NS | ns1.matbao.vn ⭐ | ||||||
| A | 13.250.228.99🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix | ||||||
| PTR | ec2-13-250-228-99.ap-southeast-1.compute.amazonaws.com | ||||||
| A | 103.110.128.60🇻🇳 AXYS-VN103.110.128.0/23 | ||||||
| NS | ns2.matbao.vn | ||||||
| A | 35.198.203.127🇸🇬 Google35.198.192.0/20 | ||||||
| PTR | 127.203.198.35.bc.googleusercontent.com | ||||||
| A | 103.138.89.11🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET | ||||||
| MX | mail.copbest.vn ⭐ | ||||||
| TXT | google-site-verification=tIOiy2ykCBZjweXZQ2pBaoq1_xdM9RHmW2a4bWnEt_E | ||||||
| SOA | ns1.matbao.vnadmin@matbao.com 2025-09-05 #4 | ||||||
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=2030751891 | ||||||
Same first word
copbest.vn |
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bestcop.com |
DNS History
4 records (4 active, 0 former)
●MXmail.copbest.vn2026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 15:36:20
●A103.221.223.902026-05-01 → 2026-05-09 · 2 obs
● 2026-05-09 15:36:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | d.dns-servers.vn, b.dns-servers.vn, h.dns-servers.vn, g.dns-servers.vn... | - |
| copbest.vn | ns1.matbao.vn, ns2.matbao.vn | 2 records |
✅ Authoritative Response
Server:103.138.89.11
NS records: ns1.matbao.vn, ns2.matbao.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for copbest.vn (unsigned zone)
⏱️ Timing
Total: 2205ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.221.223.90 |
| NS | 2 | ns1.matbao.vn, ns2.matbao.vn |
| MX | 1 | mail.copbest.vn (pri: 10) |
| TXT | 1 | google-site-verification=tIOiy2ykCBZjweX |
| SOA | 1 | ns1.matbao.vn admin.matbao.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.matbao.vn, ns2.matbao.vn)
Analysis
IP Addresses
copbest.vn points to a single IP address: 103.221.223.90.
Other host names such as truongdaylaixe.com.vn, xemay.tikovia.vn, iseo.com.vn, homeenglish.vn and www.huynhky.com share IP numbers with copbest.vn.
Name Servers
copbest.vn is delegated to two name servers: ns1.matbao.vn and ns2.matbao.vn.
copbest.vn uses the same name server setup as other domains, including circlepower.vn, diec.edu.vn, urrbaeminn.io.vn, magicvietnam.vn and skcorp.vn.
At least part of the name servers for copbest.vn are shared with other domains, for instance aspgroup.com.vn, thietbihanoi.com, catalan.com.vn, baka.vn and kimthinhphat.vn.
These name servers are commonly used alongside ns1.matbao.com, ns2.matbao.com, ns-bak.matbao.com, ns1.digipowerdns.com, ns2.digipowerdns.com, ns3.digipowerdns.com, ns4.digipowerdns.com, ns3.matbao.vn and ns4.matbao.vn.
Host names with two IP numbers:
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.