ckofs.cn - robtex.com
ckofs.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 2035-11-05 #36 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSdns27.hichina.com2026-05-14 → 2026-07-30 · 2 obs
● 2026-07-30 10:17:10
●NSdns28.hichina.com2026-05-14 → 2026-07-30 · 2 obs
● 2026-07-30 10:17:10
●MXmxn.mxhichina.com2026-05-14 → 2026-07-30 · 4 obs
○ 2026-07-08 12:33:36
● 2026-07-09 08:26:52
● 2026-07-30 10:17:10
●MXmxw.mxhichina.com2026-05-14 → 2026-07-30 · 4 obs
○ 2026-07-08 12:33:36
● 2026-07-09 08:26:52
● 2026-07-30 10:17:10
●A180.76.153.1762026-05-14 → 2026-07-30 · 4 obs
○ 2026-07-08 12:33:36
● 2026-07-09 08:26:52
● 2026-07-30 10:17:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | c.dns.cn, a.dns.cn, b.dns.cn, e.dns.cn... | - |
| ckofs.cn | dns27.hichina.com, dns28.hichina.com | - |
✅ Authoritative Response
Server:139.224.142.107
NS records: dns27.hichina.com, dns28.hichina.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ckofs.cn (unsigned zone)
⏱️ Timing
Total: 4887ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 180.76.153.176 |
| NS | 2 | dns28.hichina.com, dns27.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 | dns27.hichina.com hostmaster.hichina.com |
Analysis
IP Addresses
ckofs.cn has exactly one IP address — 180.76.153.176.
www.sh-yzj.com, imcortech.com, ymjiaotong.com plus two other host names have IP numbers in common with ckofs.cn.
Name Servers
Two name servers handle the delegation for ckofs.cn: dns27.hichina.com and dns28.hichina.com.
The name server configuration of ckofs.cn is shared with other domains, for instance pocoimg.cn, dmface.com, yzltm.com and two others.
The name servers for ckofs.cn are at least partly shared with other domains such as gadshow.com, hotlula.com, paipaipin.com and wingiant.net.
Hosts with 9 IP addresses each:
dns27.hichina.com resolves to 39.96.153.39, 39.96.153.59 and 47.118.199.199 among others, with 6 other IP addresses in total.
dns28.hichina.com resolves to 39.96.153.37, 39.96.153.62 and 47.118.199.197 among others, with 6 other IP addresses in total.
Mail Servers
ckofs.cn uses two mail servers, mxn.mxhichina.com and mxw.mxhichina.com.
The mail server setup of ckofs.cn matches that of other domains such as hztopnet.com, red-sh.com, hw270.com and two others.
At least some of the mail servers used by ckofs.cn are shared with other domains: penglaiju.com, rainycrying.com, ipanden.com and two others among them.
These mail servers tend to be used in conjunction with the mail servers mx3.qiye.aliyun.com.
Host names pointing to two IP addresses:
mxn.mxhichina.com resolves to two addresses: 47.246.136.231 and 47.246.137.47.
Host names resolving to a single IP address:
The hostname mxw.mxhichina.com resolves to 47.246.99.195.