300c.cn - robtex.com
300c.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=2035129477 | ||||||
Same first word
Similar names
003c.com |
c300.ru |
0c03.com |
c003.cn |
c003.com |
c300.myshopify.com |
c300.com.cn |
030c.com |
3c00.com |
c300.nl |
003c.ru |
c300.no |
DNS History
6 records (6 active, 0 former)
●NSns11.xincache.com2026-04-24 → 2026-08-03 · 2 obs
● 2026-08-03 22:26:58
●NSns13.xincache.com2026-04-24 → 2026-08-03 · 2 obs
● 2026-08-03 22:26:58
●NSns14.xincache.com2026-04-24 → 2026-08-03 · 2 obs
● 2026-08-03 22:26:58
●A121.40.71.152026-05-31 → 2026-08-03 · 2 obs
● 2026-08-03 22:26:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn... | - |
| 300c.cn | ns13.xincache.com, ns14.xincache.com | - |
✅ Authoritative Response
Server:112.80.181.45
NS records: ns13.xincache.com, ns14.xincache.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 300c.cn (unsigned zone)
⏱️ Timing
Total: 1365ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 121.40.71.15 |
| NS | 2 | ns13.xincache.com, ns14.xincache.com |
| MX | 2 | mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10) |
| SOA | 1 | ns11.xincache.com ns12.xincache.com |
Analysis
IP Addresses
300c.cn resolves to just one IP address, 121.40.71.15.
Host names such as www.zjxt.net and zjxt.net share IP numbers with 300c.cn.
Name Servers
Three name servers are authoritative for 300c.cn: ns11.xincache.com, ns13.xincache.com and ns14.xincache.com.
300c.cn shares at least some of its name servers with other domains, including bcdh.com.cn, wangjiayue.com, hnchengfa.com and two others.
These name servers are frequently seen alongside ns12.xincache.com, ns17.xincache.com, ns18.xincache.com and 6 other name servers.
DNS names with 8 IP addresses:
ns11.xincache.com carries IP addresses 1.12.0.4, 36.155.149.180 and 112.80.181.45, with 5 other addresses beyond those.
ns13.xincache.com carries IP addresses 1.12.0.4, 36.155.149.180 and 112.80.181.45, with 5 other addresses beyond those.
DNS names with 7 IP addresses:
ns14.xincache.com carries IP addresses 1.12.0.1, 36.155.149.176 and 112.80.181.111, with 4 other addresses beyond those.
These two host names — ns11.xincache.com and ns13.xincache.com — each point to 2402:4e00:1470:2::e IP addresses.
These two host names — ns11.xincache.com and ns13.xincache.com — each point to 2402:4e00:1730::e IP addresses.
These two host names — ns11.xincache.com and ns13.xincache.com — each point to 1.12.0.4 IP addresses.
These two host names — ns11.xincache.com and ns13.xincache.com — each point to 36.155.149.180 IP addresses.
These two host names — ns11.xincache.com and ns13.xincache.com — each point to 112.80.181.45 IP addresses.
These two host names — ns11.xincache.com and ns13.xincache.com — each point to 117.89.178.173 IP addresses.
These two host names — ns11.xincache.com and ns13.xincache.com — each point to 125.94.59.210 IP addresses.
These two host names — ns11.xincache.com and ns13.xincache.com — each point to 129.211.176.209 IP addresses.
Mail Servers
300c.cn is served by two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.
Among the domains sharing a mail server setup with 300c.cn are chinte.com, dweck.net, casece.org and two others.
There is at least a partial MX overlap between 300c.cn and other domains, including imooc.top, ziwhlj-tw.asia, eki.com.cn and two others.