cn21.com.cn - robtex.com
cn21.com.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 101.200.165.230 | ||||||
| NS | dns1.hichina.com ⭐ | ||||||
| NS | dns2.hichina.com | ||||||
| MX | mxn.mxhichina.com ⭐ | ||||||
| A | 47.246.136.231🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| PTR | cz-clare.com | ||||||
| PTR | reachsmartdwell.com | ||||||
| PTR | wevolt.tech | ||||||
| A | 47.246.137.47🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud | ||||||
| MX | mxw.mxhichina.com(10) | ||||||
| A | 47.246.99.195 | ||||||
| TXT | v=spf1 include:spf.mxhichina.com -all | ||||||
| SOA | dns1.hichina.comhostmaster@hichina.com 2026-01-12 #9 | ||||||
com.cn
| DNSSEC | ⚠️ Not signed | ||||||
WOT: NOT_SAFE (20/100)
Same first word
Similar names
n21c.com |
nc21.jp |
21cn.cn.com |
21cn.co |
n1c2.net |
21cn.com |
21cn.net |
12nc.com.ua |
nc12.com |
21cn.pl |
nc21.com |
nc21.com.ua |
21cn.de |
21cn.cm |
c21n.jp |
21cn.cn |
21cn.xyz |
cn12.com |
n1c2.com |
c21n.com |
c12n.com |
21cn.co.uk |
12cn.cn |
DNS History
6 records (5 active, 1 former)
●NSdns1.hichina.com2015-07-20 → 2026-07-19 · 2 obs
● 2015-07-20 01:33:20
● 2026-07-19 04:10:14
● 2026-07-19 04:10:14
●NSdns2.hichina.com2015-07-20 → 2026-07-19 · 2 obs
● 2015-07-20 01:33:20
● 2026-07-19 04:10:14
● 2026-07-19 04:10:14
●MXmxn.mxhichina.com2015-07-20 → 2026-07-19 · 2 obs
● 2015-07-20 01:33:20
● 2026-07-19 04:10:14
● 2026-07-19 04:10:14
●MXmxw.mxhichina.com2015-07-20 → 2026-07-19 · 2 obs
● 2015-07-20 01:33:20
● 2026-07-19 04:10:14
● 2026-07-19 04:10:14
●A101.200.165.2302026-05-19 → 2026-07-19 · 3 obs
○ 2017-11-16 07:12:54
● 2026-05-19 17:54:58
● 2026-07-19 04:10:14
● 2026-05-19 17:54:58
● 2026-07-19 04:10:14
○A42.96.158.92015-07-20 → 2017-11-16 · 4 obs
● 2015-07-20 01:33:20
● 2017-11-16 07:12:54
○ 2026-05-19 17:54:58
○ 2026-07-19 04:10:14
● 2017-11-16 07:12:54
○ 2026-05-19 17:54:58
○ 2026-07-19 04:10:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | d.dns.cn, b.dns.cn, a.dns.cn, c.dns.cn... | - |
| cn21.com.cn | dns1.hichina.com, dns2.hichina.com | - |
✅ Authoritative Response
Server:47.118.199.214
NS records: dns1.hichina.com, dns2.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cn21.com.cn (unsigned zone)
⏱️ Timing
Total: 4977ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 101.200.165.230 |
| NS | 2 | dns2.hichina.com, dns1.hichina.com |
| MX | 2 | mxw.mxhichina.com (pri: 10), mxn.mxhichina.com (pri: 5) |
| TXT | 1 | v=spf1 include:spf.mxhichina.com -all |
| SOA | 1 | dns1.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
cn21.com.cn resolves to one IP address: 101.200.165.230.
Name Servers
cn21.com.cn is served by two delegated name servers, dns1.hichina.com and dns2.hichina.com.
Mail Servers
Mail for cn21.com.cn is handled by two mail servers — mxn.mxhichina.com and mxw.mxhichina.com.
Hostnames that resolve to two IP addresses:
mxn.mxhichina.com maps to two IP addresses — 47.246.136.231 and 47.246.137.47.
Hosts with just one IP address:
mxw.mxhichina.com points to the IP address 47.246.99.195.