15z.cn - robtex.com
15z.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=2034712858 | ||||||
Subdomains
cdn.15z.cn |
Same first word
Similar names
5z1.cn |
1z5.ru |
51z.net |
51z.de |
5z1.com |
1z5.com |
z51.ru |
51z.com |
z15.pl |
z15.de |
z51.de |
51z.info |
z15.com |
z15.ru |
z15.info |
51z.co |
z51.net |
z51.com |
z15.es |
z51.biz |
z51.fr |
DNS History
17 records (9 active, 8 former)
○NS(root)2015-08-25 → 2017-08-27 · 4 obs
● 2017-08-27 06:44:44
○ 2026-03-27 07:42:04
○ 2026-04-26 02:30:28
●NSns1.365cyd.net2015-10-22 → 2026-04-26 · 3 obs
● 2015-10-22 06:03:50
● 2026-04-26 02:30:28
●NSns1.jiasule.net2015-08-25 → 2026-04-26 · 2 obs
● 2026-04-26 02:30:28
●NSns1.kangdns.com2016-12-01 → 2026-04-26 · 3 obs
● 2016-12-01 20:42:06
● 2026-04-26 02:30:28
●NSns2.365cyd.net2015-10-22 → 2026-04-26 · 3 obs
● 2015-10-22 06:03:50
● 2026-04-26 02:30:28
●NSns2.jiasule.net2015-08-25 → 2026-04-26 · 2 obs
● 2026-04-26 02:30:28
●NSns2.kangdns.com2016-12-01 → 2026-04-26 · 3 obs
● 2016-12-01 20:42:06
● 2026-04-26 02:30:28
●MXmxbiz1.qq.com2015-08-25 → 2026-04-26 · 5 obs
○ 2015-10-19 03:25:04
○ 2017-08-27 06:44:44
● 2026-03-27 07:42:04
● 2026-04-26 02:30:28
●MXmxbiz2.qq.com2015-08-25 → 2026-04-26 · 5 obs
○ 2015-10-19 03:25:04
○ 2017-08-27 06:44:44
● 2026-03-27 07:42:04
● 2026-04-26 02:30:28
○MXmxn.mxhichina.com2015-10-19 → 2017-08-27 · 5 obs
● 2015-10-19 03:25:04
● 2017-08-27 06:44:44
○ 2026-03-27 07:42:04
○ 2026-04-26 02:30:28
○MXmxw.mxhichina.com2015-10-19 → 2017-08-27 · 5 obs
● 2015-10-19 03:25:04
● 2017-08-27 06:44:44
○ 2026-03-27 07:42:04
○ 2026-04-26 02:30:28
○A115.28.240.1362015-08-25 → 2016-06-13 · 4 obs
● 2016-06-13 12:29:56
○ 2016-08-24 02:16:18
○ 2026-04-26 02:30:28
○A115.29.148.1902016-12-01 → 2017-08-27 · 5 obs
● 2016-12-01 20:42:06
● 2017-08-27 06:44:44
○ 2026-03-27 07:42:04
○ 2026-04-26 02:30:28
○A124.238.232.2352016-10-25 → 2016-10-25 · 4 obs
● 2016-10-25 23:12:22
○ 2016-12-01 20:42:06
○ 2026-04-26 02:30:28
○A182.140.238.1242016-08-24 → 2016-08-24 · 4 obs
● 2016-08-24 02:16:18
○ 2016-10-25 23:12:22
○ 2026-04-26 02:30:28
●A47.105.67.452026-03-27 → 2026-04-26 · 3 obs
● 2026-03-27 07:42:04
● 2026-04-26 02:30:28
○CNAME15z.cn.w.kunlunpi.com2016-08-24 → 2016-10-25 · 4 obs
● 2016-10-25 23:12:22
○ 2016-12-01 20:42:06
○ 2026-04-26 02:30:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| 15z.cn | ns1.jiasule.net, ns2.jiasule.net | - |
✅ Authoritative Response
Server:116.211.128.200
NS records: ns1.jiasule.net, ns2.jiasule.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 15z.cn (unsigned zone)
⏱️ Timing
Total: 1937ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 47.105.67.45 |
| NS | 6 | ns2.jiasule.net, ns2.365cyd.net... |
| MX | 2 | mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5) |
| SOA | 1 | . mail.jiasule.net |
Analysis
Hierarchy
15z.cn is a parent of cdn.15z.cn.
IP Addresses
15z.cn points to a single IP address: 47.105.67.45.
Name Servers
15z.cn is delegated to six name servers: ns1.kangdns.com, ns2.kangdns.com, ns1.365cyd.net, ns2.365cyd.net, ns1.jiasule.net and ns2.jiasule.net.
At least part of the name servers for 15z.cn are shared with other domains, for instance 5c0f0fe00924db26.cdn.jiashule.com, www.k134lin.eb80.com, m.yuanqiyu.b2b168.com, 13f8f8a904a0b8e2.cdn.jiashule.com and 8f28379a993c9b8a.cdn.jiashule.com.
Names with six IPs:
ns1.jiasule.net points to: 2409:8c04:1101:3050::450, 240e:965:802:1040::420, 112.84.222.99, 112.84.222.100, 116.211.128.199 and 116.211.128.200.
ns2.jiasule.net points to: 2409:8c04:1101:3050::451, 240e:965:802:1040::420, 112.84.222.99, 112.84.222.100, 116.211.128.199 and 116.211.128.200.
Names with four IPs:
ns1.365cyd.net points to: 240e:965:802:1040::420, 112.84.222.99, 112.84.222.100 and 116.211.128.200.
ns2.365cyd.net points to: 2409:8c04:1101:3050::450, 112.84.222.99, 112.84.222.100 and 116.211.128.199.
Names with two IPs:
ns1.kangdns.com points to: 240e:965:802:1040::420 and 112.84.222.99.
ns2.kangdns.com points to: 2409:8c04:1101:3050::450 and 116.211.128.200.
Names that point to 2409:8c04:1101:3050::450: ns1.jiasule.net, ns2.365cyd.net and ns2.kangdns.com.
Names that point to 240e:965:802:1040::420: ns1.jiasule.net, ns2.jiasule.net, ns1.365cyd.net and ns1.kangdns.com.
Names that point to 112.84.222.99: ns1.jiasule.net, ns2.jiasule.net, ns1.365cyd.net, ns2.365cyd.net and ns1.kangdns.com.
Names that point to 112.84.222.100: ns1.jiasule.net, ns2.jiasule.net, ns1.365cyd.net and ns2.365cyd.net.
Names that point to 116.211.128.199: ns1.jiasule.net, ns2.jiasule.net and ns2.365cyd.net.
Names that point to 116.211.128.200: ns1.jiasule.net, ns2.jiasule.net, ns1.365cyd.net and ns2.kangdns.com.
Mail Servers
15z.cn is handled by two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.
15z.cn uses the same mail server setup as other domains, for instance wize.cn, m115.cn, rembb.com, fusaide.com and wjzj.com.
15z.cn shares at least some mail servers with other domains, for example xihuitc.com, yuejianschool.com, baixun.cn, coolguy-tech.com and pontusr.cc.
these mail servers are often used together with mxn.mxhichina.com and mxw.mxhichina.com.