kejian-tech.com - robtex.com
kejian-tech.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=1774636922 | ||||||
Subdomains
en.kejian-tech.com |
Same first word
kejian-tech.com |
DNS History
6 records (5 active, 1 former)
●NSns17.xincache.com2015-05-25 → 2026-03-27 · 2 obs
● 2026-03-27 18:56:16
●NSns18.xincache.com2015-05-25 → 2026-03-27 · 2 obs
● 2026-03-27 18:56:16
●MXmx139f.chinaemail.cn2015-05-25 → 2026-03-27 · 2 obs
● 2026-03-27 18:56:16
●MXmxa139f.chinaemail.cn2015-05-25 → 2026-03-27 · 2 obs
● 2026-03-27 18:56:16
○A121.42.69.242015-05-25 → 2017-08-14 · 4 obs
● 2017-08-14 01:16:46
○ 2026-02-25 11:40:40
○ 2026-03-27 18:56:16
●A8.135.45.922026-02-25 → 2026-03-27 · 3 obs
● 2026-02-25 11:40:40
● 2026-03-27 18:56:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| kejian-tech.com | ns17.xincache.com, ns18.xincache.com | 12 records |
✅ Authoritative Response
Server:1.12.0.4
NS records: ns17.xincache.com, ns18.xincache.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kejian-tech.com (unsigned zone)
⏱️ Timing
Total: 103ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 8.135.45.92 |
| NS | 2 | ns17.xincache.com, ns18.xincache.com |
| MX | 2 | mxa139f.chinaemail.cn (pri: 5), mx139f.chinaemail.cn (pri: 10) |
| TXT | 1 | v=spf1 include:spf.chinaemail.cn ~all |
| SOA | 1 | ns17.xincache.com enterprise1dnsadmin.dn |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (ns17.xincache.com, ns17.xincache.com, ns17.xincache.com...)
Analysis
Hierarchy
The parent of en.kejian-tech.com is kejian-tech.com.
IP Addresses
kejian-tech.com points to an IP address: 8.135.45.92.
Name Servers
Two name servers ns17.xincache.com and ns18.xincache.com handle the delegation for kejian-tech.com.
kejian-tech.com shares the same name server setup as other domains, for instance sportsdream.com, lixinxiang.com, hndzylj.com, 01kpop.com and dgsyled.com.
kejian-tech.com at least partially shares name servers with other domains, for instance senscon.com.cn, yqhuaxu.com, 16800168.cn, shangpu-china.com and giftscn.cn.
These name servers are commonly used with the following: ns11.xincache.com, ns12.xincache.com, ns13.xincache.com and ns14.xincache.com.
Host names with eight IP numbers: ns17.xincache.com points to 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.
Host names with seven IP numbers: ns18.xincache.com points to 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 112.80.181.111, 117.89.178.184, 129.211.176.239 and 163.177.5.23.
Mail Servers
kejian-tech.com is handled by two mail servers: mx139f.chinaemail.cn and mxa139f.chinaemail.cn.
kejian-tech.com uses the same mail server setup as other domains, for instance ieet.ac.cn, materials.ac.cn, siit.ac.cn, sofiareg.com and iduoyu.net.