blue2.cn - robtex.com
blue2.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 | ||||||
Subdomains
www.blue2.cn |
Same first word
blue2.nl |
blue2.one |
blue2.co.uk |
blue2.cn |
blue2.at |
blue2.mobi |
blue2.net |
blue2.de |
blue2.com |
blue2.ca |
blue2.hu |
blue2.be |
Similar names
DNS History
10 records (4 active, 6 former)
●NSns11.xincache.com2015-05-29 → 2026-03-22 · 2 obs
● 2026-03-22 18:44:56
●NSns12.xincache.com2015-05-29 → 2026-03-22 · 2 obs
● 2026-03-22 18:44:56
○NSns15.xincache.com2015-05-29 → 2016-12-19 · 3 obs
● 2016-12-19 17:35:36
○ 2026-03-22 18:44:56
○NSns16.xincache.com2015-05-29 → 2016-12-19 · 3 obs
● 2016-12-19 17:35:36
○ 2026-03-22 18:44:56
○MXblue2.cn2015-05-29 → 2016-12-19 · 3 obs
● 2016-12-19 17:35:36
○ 2026-03-22 18:44:56
○MXmail.blue2.cn2015-05-29 → 2016-12-19 · 3 obs
● 2016-12-19 17:35:36
○ 2026-03-22 18:44:56
○MXmxcom.263xmail.com2015-05-29 → 2016-12-19 · 3 obs
● 2016-12-19 17:35:36
○ 2026-03-22 18:44:56
○MXmxwcom.263xmail.com2015-05-29 → 2016-12-19 · 3 obs
● 2016-12-19 17:35:36
○ 2026-03-22 18:44:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, d.dns.cn, a.dns.cn, b.dns.cn... | - |
| blue2.cn | ns11.xincache.com, ns12.xincache.com | - |
✅ Authoritative Response
Server: 129.211.176.209
NS records: ns11.xincache.com, ns12.xincache.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for blue2.cn (unsigned zone)
⏱️ Timing
Total: 834ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns12.xincache.com, ns11.xincache.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 | ns11.xincache.com enterprise1dnsadmin.dn |
Analysis
Hierarchy
blue2.cn is the parent of www.blue2.cn.
Name Servers
blue2.cn has two name servers: ns11.xincache.com and ns12.xincache.com.
blue2.cn shares the same name server setup as other domains, for example yjsaas.cn, xcren.com, chintsn.com, ligemi.com and cggs.cn.
blue2.cn shares some name servers with other domains, for example zkenergy.com, zzsanki.com, 51testing.com.cn, llchain.com and shhbsw.com.
these name servers are often used with ns13.xincache.com, ns14.xincache.com, ns19.xincache.com, ns20.xincache.com, ns15.xincache.com, ns16.xincache.com, ns17.xincache.com, ns18.xincache.com, ce1.xincache.com and ce2.xincache.com.
Host names with eight IPs:
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 IPs:
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
blue2.cn is served by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
blue2.cn shares the mail server setup with other domains, for example egeri.net, raseduck.com, cndf.net, td-robot.com and epco-led.com.
blue2.cn shares some mail servers with other domains, at least partially; for instance csott.cn, linyimart.com, safea.net, cosevlgo.cc and africa365.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.