jb-tech.cn - robtex.com
jb-tech.cn
cn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.cn ⭐ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034546407 | ||||||
Same first word
Similar names
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, e.dns.cn, c.dns.cn, d.dns.cn... | - |
| jb-tech.cn | dns25.hichina.com, dns26.hichina.com | - |
✅ Authoritative Response
Server:120.76.107.37
NS records: dns25.hichina.com, dns26.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for jb-tech.cn (unsigned zone)
⏱️ Timing
Total: 1865ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | dns25.hichina.com, dns26.hichina.com |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.mail.qq.com ~all |
| SOA | 1 | dns25.hichina.com hostmaster.hichina.com |
Analysis
Name Servers
jb-tech.cn has two name servers: dns25.hichina.com and dns26.hichina.com.
jb-tech.cn shares the same name server setup as other domains, for example hny.cn, womenimages.cn, scunireco.com, 781.co and peguo.com.
jb-tech.cn shares some name servers with other domains, for example agiaten.cn, rubberweekly.com, caifly.com, webot.net and fok.cn.
These name servers are commonly used together with ns1.alidns.com and ns2.alidns.com.
Host names with nine IP numbers:
dns25.hichina.com points to 2408:4009:501::33, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109.
dns26.hichina.com points to 2408:4009:501::34, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.
Mail Servers
jb-tech.cn is served by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
jb-tech.cn shares the mail server setup with other domains, for example yuyangenergy.com, cosone.com, artlnk.com, mjdic.com and dacin.com.
jb-tech.cn shares mail servers with other domains at least partially, for example dzwww.net, za-cosmetics.com, help4uu.com and njrst.com.cn.
these mail servers are commonly used alongside mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.
Host names with two IP numbers: mxbiz1.qq.com points to: 203.205.147.218 and 203.205.232.191.
Host names with one IP number: mxbiz2.qq.com points to: 203.205.232.191.
Host names that point to 203.205.232.191: mxbiz1.qq.com and mxbiz2.qq.com.