challenge.cn - robtex.com
challenge.cn
cn
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | a.dns.cn โญ | ||||||
| NS | b.dns.cn | ||||||
| NS | c.dns.cn | ||||||
| NS | d.dns.cn | ||||||
| NS | e.dns.cn | ||||||
| NS | ns.cernet.net โ ๏ธ Not in parent delegation | ||||||
| SOA | a.dns.cnroot@cnnic.cn serial=2034662315 | ||||||
Same first word
Similar names
DNS History
12 records (5 active, 7 former)
โNSns11.xincache.com2015-06-10 โ 2026-04-12 ยท 6 obs
โ 2016-05-02 16:32:44
โ 2017-03-20 10:45:32
โ 2020-01-15 23:54:32
โ 2026-04-10 10:50:32
โ 2026-04-12 11:31:40
โNSns12.xincache.com2015-06-10 โ 2016-05-02 ยท 4 obs
โ 2016-05-02 16:32:44
โ 2017-03-20 10:45:32
โ 2026-04-12 11:31:40
โNSns13.xincache.com2015-06-10 โ 2016-05-02 ยท 4 obs
โ 2016-05-02 16:32:44
โ 2017-03-20 10:45:32
โ 2026-04-12 11:31:40
โNSns14.xincache.com2015-06-10 โ 2016-05-02 ยท 4 obs
โ 2016-05-02 16:32:44
โ 2017-03-20 10:45:32
โ 2026-04-12 11:31:40
โNSns19.xincache.com2017-03-20 โ 2026-04-12 ยท 3 obs
โ 2017-03-20 10:45:32
โ 2026-04-12 11:31:40
โNSns20.xincache.com2017-03-20 โ 2026-04-12 ยท 3 obs
โ 2017-03-20 10:45:32
โ 2026-04-12 11:31:40
โMXmx.ym.163.com2020-01-15 โ 2026-04-12 ยท 3 obs
โ 2020-01-15 23:54:32
โ 2026-04-12 11:31:40
โMXmxbiz1.qq.com2015-06-10 โ 2017-03-20 ยท 4 obs
โ 2017-03-20 10:45:32
โ 2020-01-15 23:54:32
โ 2026-04-12 11:31:40
โMXmxbiz2.qq.com2015-06-10 โ 2017-03-20 ยท 4 obs
โ 2017-03-20 10:45:32
โ 2020-01-15 23:54:32
โ 2026-04-12 11:31:40
โA112.124.20.1412015-06-10 โ 2016-05-02 ยท 4 obs
โ 2016-05-02 16:32:44
โ 2017-03-20 10:45:32
โ 2026-04-12 11:31:40
โA115.47.21.1472017-03-20 โ 2017-03-20 ยท 4 obs
โ 2017-03-20 10:45:32
โ 2020-01-15 23:54:32
โ 2026-04-12 11:31:40
โA47.93.56.2252020-01-15 โ 2026-04-12 ยท 3 obs
โ 2020-01-15 23:54:32
โ 2026-04-12 11:31:40
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| challenge.cn | ns19.xincache.com, ns20.xincache.com | - |
โ Authoritative Response
Server:129.211.176.209
NS records: ns19.xincache.com, ns20.xincache.com
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for challenge.cn (unsigned zone)
โฑ๏ธ Timing
Total: 1615ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.93.56.225 |
| NS | 2 | ns20.xincache.com, ns19.xincache.com |
| MX | 1 | mx.ym.163.com (pri: 10) |
| TXT | 1 | v=spf1 include:spf.163.com ~all |
| SOA | 1 | ns11.xincache.com ns12.xincache.com |
Analysis
IP Addresses
challenge.cn resolves to one IP number: 47.93.56.225.
Other host names, for example alivv.com, share IP numbers with challenge.cn.
Name Servers
challenge.cn is delegated to three name servers: ns11.xincache.com, ns19.xincache.com and ns20.xincache.com.
challenge.cn at least partially shares name servers with other domains, including cjfco.net, jsob.cn, ynwall.com, zeyuanjixie.com and xiangyu.com.
these name servers are commonly used with ns12.xincache.com, ns13.xincache.com, ns14.xincache.com, ns15.xincache.com, ns16.xincache.com, ce1.xincache.com, ce2.xincache.com, ns17.xincache.com and ns18.xincache.com.
Host names with eight IP numbers:
Host 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 ns19.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:
Host ns20.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.
Host names that point to 2402:4e00:1470:2::e: ns11.xincache.com and ns19.xincache.com.
Host names that point to 2402:4e00:1730::e: ns11.xincache.com and ns19.xincache.com.
Host names that point to 1.12.0.4: ns11.xincache.com and ns19.xincache.com.
Host names that point to 36.155.149.180: ns11.xincache.com and ns19.xincache.com.
Host names that point to 112.80.181.45: ns11.xincache.com and ns19.xincache.com.
Host names that point to 117.89.178.173: ns11.xincache.com and ns19.xincache.com.
Host names that point to 125.94.59.210: ns11.xincache.com and ns19.xincache.com.
Host names that point to 129.211.176.209: ns11.xincache.com and ns19.xincache.com.
Mail Servers
A single mail server handles challenge.cn, mx.ym.163.com.
challenge.cn shares the same mail server setup as other domains, for instance xsw-soft.cn, yijinet.com, yijinyi.com, xwtech.com and rongyigroup.com.
challenge.cn shares at least some mail servers with other domains, for example gd-xwj.com, mengxiangyin.com, shpaerfeite.com, stars-se.com and tangongye.com.
Host name mx.ym.163.com resolves to a single IP: 111.124.200.35.