ckof.cn - robtex.com
ckof.cn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.33.110.52🇺🇸 AS39882338.33.64.0/18 PEG TECH INC | ||||||
| NS | ns1.nowcndns.com ⭐ | ||||||
| A | 1.193.216.204🇨🇳 CHINANET-Henan-Luoyang-IDC1.193.216.0/24 Chinatelecom HeNan Province Network | ||||||
| A | 218.98.111.129🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| A | 218.98.111.138🇩🇪 HKCICL-AS-AP218.98.111.0/24 HONG KONG COMMUNICATIONS INTERNATIONAL CO.,LIMITED | ||||||
| NS | ns2.nowcndns.com | ||||||
| A | 61.158.128.11🇨🇳 CHINA169-Backbone61.158.128.0/17 CNC Group CHINA169 Henan Province Network | ||||||
| PTR | 11.128.158.61.ha.cnc | ||||||
| A | 183.253.57.202🇨🇳 CHINAMOBILE-CN183.253.0.0/16 CMI (Customer Route) | ||||||
| A | 211.99.99.38🇨🇳 DONGGUAN-1211.99.99.0/24 Proxy-registered route object | ||||||
| SOA | ns1.nowcndns.comadmin@nowcndns.com serial=1770649209 | ||||||
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 2035-04-05 #39 | ||||||
Same first word
ckof.cn |
Similar names
DNS History
9 records (3 active, 6 former)
○NSdns.bizcn.com2015-08-13 → 2020-02-08 · 4 obs
● 2020-02-08 10:34:24
○ 2026-06-21 12:08:58
○ 2026-07-14 18:37:48
●NSns1.nowcndns.com2026-06-21 → 2026-07-14 · 3 obs
● 2026-06-21 12:08:58
● 2026-07-14 18:37:48
●NSns2.nowcndns.com2026-06-21 → 2026-07-14 · 3 obs
● 2026-06-21 12:08:58
● 2026-07-14 18:37:48
○NSns5.cnmsn.net2015-08-13 → 2020-02-08 · 4 obs
● 2020-02-08 10:34:24
○ 2026-06-21 12:08:58
○ 2026-07-14 18:37:48
○NSns6.cnmsn.net2015-08-13 → 2020-02-08 · 4 obs
● 2020-02-08 10:34:24
○ 2026-06-21 12:08:58
○ 2026-07-14 18:37:48
○A103.36.52.1282017-03-27 → 2017-03-27 · 4 obs
● 2017-03-27 22:37:06
○ 2020-02-08 10:34:24
○ 2026-07-14 18:37:48
○A123.1.189.1092015-10-19 → 2016-01-01 · 5 obs
● 2015-10-19 12:31:20
● 2016-01-01 02:56:06
○ 2017-03-27 22:37:06
○ 2026-07-14 18:37:48
●A38.33.110.522026-06-21 → 2026-07-14 · 3 obs
● 2026-06-21 12:08:58
● 2026-07-14 18:37:48
○A59.188.255.2292015-08-13 → 2015-08-13 · 3 obs
○ 2015-10-19 12:31:20
○ 2026-07-14 18:37:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cn | a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn... | - |
| ckof.cn | ns1.nowcndns.com, ns2.nowcndns.com | - |
✅ Authoritative Response
Server:61.158.128.11
NS records: ns1.nowcndns.com, ns2.nowcndns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ckof.cn (unsigned zone)
⏱️ Timing
Total: 2002ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.33.110.52 |
| NS | 2 | ns1.nowcndns.com, ns2.nowcndns.com |
| SOA | 1 | ns1.nowcndns.com admin.nowcndns.com |
Analysis
IP Addresses
ckof.cn directs to one IP number, which is 38.33.110.52.
Host names like 0c1b.cn are further examples that share IP numbers with ckof.cn.
Name Servers
Two name servers handle the delegation for ckof.cn: ns1.nowcndns.com and ns2.nowcndns.com.
ckof.cn has the same name server delegation as a number of other domains, such as pipik.cn, qntq.com.cn, ihsj.cn and two more.
The hosts ns1.nowcndns.com and ns2.nowcndns.com both resolve to three IP numbers: ns1.nowcndns.com to 1.193.216.204, 218.98.111.129 and 218.98.111.138, and ns2.nowcndns.com to 61.158.128.11, 183.253.57.202 and 211.99.99.38.