cobtecinternational.com - robtex.com
cobtecinternational.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1775428982 | ||||||
Subdomains
www.cobtecinternational.com |
Same first word
cobtecinternational.com |
DNS History
5 records (5 active, 0 former)
●NSdns3.hichina.com2026-02-16 → 2026-04-05 · 2 obs
● 2026-04-05 22:58:20
●NSdns4.hichina.com2026-02-16 → 2026-04-05 · 2 obs
● 2026-04-05 22:58:20
●A170.106.143.1442026-02-16 → 2026-04-05 · 2 obs
● 2026-04-05 22:58:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| cobtecinternational.com | dns3.hichina.com, dns4.hichina.com | 18 records |
✅ Authoritative Response
Server:120.76.107.43
NS records: dns3.hichina.com, dns4.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cobtecinternational.com (unsigned zone)
⏱️ Timing
Total: 493ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 170.106.143.144 |
| NS | 2 | dns3.hichina.com, dns4.hichina.com |
| MX | 2 | mx.263.net (pri: 10), mxw.263.net (pri: 5) |
| TXT | 1 | v=spf1 include:spf.263.net -all |
| SOA | 1 | dns3.hichina.com hostmaster.hichina.com |
📌 Glue Records Collected
Total: 18
Out-of-bailiwick: 18 (dns3.hichina.com, dns3.hichina.com, dns3.hichina.com...)
Analysis
Hierarchy
cobtecinternational.com is the parent of www.cobtecinternational.com.
IP Addresses
cobtecinternational.com resolves to a single IP: 170.106.143.144.
Other host names, for instance, www.cobtecinternational.com, hccarbide.com, atapkg.com and shakamma.com share IP numbers with cobtecinternational.com.
Name Servers
cobtecinternational.com has two name servers: dns3.hichina.com and dns4.hichina.com.
cobtecinternational.com shares the same name server setup as other domains, for example dazoread.com, lifekeygame.com, zhaishikong.com, dplayroma.com and ptjw.com.
cobtecinternational.com shares some name servers with other domains, for example otofly.co, sheliant.com, tendances2025.shop, lv-ai.com and egate.cn.
These name servers are commonly used alongside ns1.alidns.com, ns2.alidns.com, expirens3.hichina.com and expirens4.hichina.com.
Host names with nine IP numbers:
dns3.hichina.com points to 2408:4009:501::11, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123.
dns4.hichina.com points to 2408:4009:501::12, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.
Mail Servers
cobtecinternational.com is served by two mail servers: mx.263.net and mxw.263.net.
cobtecinternational.com shares the mail server setup with other domains, for example tdchem.com, bonled.com, jmtent.com, xsia.cn and fsonlyone.com.
cobtecinternational.com shares some mail servers with other domains, at least partially; for instance lindasmould.com, chinaitg.com, ykcxlzp.com, jscf.com.cn and lavion.com.cn.
Host names with four IP numbers:
The host name mx.263.net points to 38.83.106.84, 38.83.106.85, 143.110.227.31 and 164.92.126.242.
Host names with two IP numbers:
The host name mxw.263.net points to 143.110.227.31 and 164.92.126.242.
Host names pointing to 143.110.227.31: mx.263.net and mxw.263.net.
Host names pointing to 164.92.126.242: mx.263.net and mxw.263.net.