polarsource.cn - robtex.com
polarsource.cn
cn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| 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=2034670570 | ||||||
Same first word
polarsource.com |
polarsource.cn |
Similar names
DNS History
8 records (4 active, 4 former)
●NSns11.xincache.com2018-07-30 → 2026-04-14 · 3 obs
● 2018-07-30 01:39:32
● 2026-04-14 19:44:38
●NSns12.xincache.com2018-07-30 → 2026-04-14 · 3 obs
● 2018-07-30 01:39:32
● 2026-04-14 19:44:38
○NSns17.xincache.com2015-07-17 → 2017-02-03 · 4 obs
● 2017-02-03 19:34:10
○ 2018-07-30 01:39:32
○ 2026-04-14 19:44:38
○NSns18.xincache.com2015-07-17 → 2017-02-03 · 4 obs
● 2017-02-03 19:34:10
○ 2018-07-30 01:39:32
○ 2026-04-14 19:44:38
●MXmx.mail.ym.163.com2015-07-17 → 2026-04-14 · 2 obs
● 2026-04-14 19:44:38
●A117.50.119.1652026-04-10 → 2026-04-14 · 3 obs
● 2026-04-10 01:46:16
● 2026-04-14 19:44:38
○A119.10.72.1932018-07-30 → 2018-07-30 · 4 obs
● 2018-07-30 01:39:32
○ 2026-04-10 01:46:16
○ 2026-04-14 19:44:38
○A202.103.190.1322015-07-17 → 2017-02-03 · 4 obs
● 2017-02-03 19:34:10
○ 2018-07-30 01:39:32
○ 2026-04-14 19:44:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| polarsource.cn | ns11.xincache.com, ns12.xincache.com | - |
✅ Authoritative Response
Server:117.89.178.173
NS records: ns11.xincache.com, ns12.xincache.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for polarsource.cn (unsigned zone)
⏱️ Timing
Total: 1490ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 117.50.119.165 |
| NS | 2 | ns11.xincache.com, ns12.xincache.com |
| MX | 1 | mx.mail.ym.163.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.163.com ~all |
| SOA | 1 | ns11.xincache.com enterprise1dnsadmin.dn |
Analysis
IP Addresses
polarsource.cn points to a single IP: 117.50.119.165.
Other host names such as artmangroup.com and web1.szsms.com share IP numbers with polarsource.cn.
Name Servers
polarsource.cn's delegation is to two name servers ns11.xincache.com and ns12.xincache.com.
polarsource.cn shares the same name server configuration as other domains, such as hnkaidu.com, xiamen-logistics.com, qsnjyw.com, nbbdjj.com and yifengmetal.com.
polarsource.cn at least partially shares its name servers with other domains, for instance dglcp.com, shlxce.com, 5yu.cn, yshpigment.com and lnbm.gov.cn.
These name servers are commonly used with ns15.xincache.com, ns16.xincache.com, ce1.xincache.com, ce2.xincache.com, ns13.xincache.com, ns14.xincache.com, ns19.xincache.com, ns20.xincache.com, ns17.xincache.com and ns18.xincache.com.
Host names with eight IP numbers: ns11.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: ns12.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
polarsource.cn is served by a single mail server, mx.mail.ym.163.com.
polarsource.cn uses the same mail server setup as other domains such as hmjt.net, tsfam.com.cn, kenagroup.com, hlj165.com and elevator-light-curtain.com.
polarsource.cn shares mail servers with other domains at least in part, for instance chinaforge.com.cn, dgfrd.com and du0.org.
mx.mail.ym.163.com points to IP number 111.124.200.35.