`ckcf.cn`

DNSSEC	⚠️ Not signed
A	18.163.83.197^{🇭🇰 Amazon18.163.0.0/16 EC2 HKG prefix}
		PTR	`ec2-18-163-83-197.ap-east-1.compute.amazonaws.com`
A	113.44.147.111^{🇨🇳 HWCSNET113.44.128.0/19}
NS	`ns11.xincache.com` ⭐
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	2402:4e00:1730::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1700::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
			PTR	`ip-1-12-0-4.defastlink.net`
		A	36.155.149.180^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
			PTR	`ip-36-155-149-180.defastlink.net`
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
			PTR	`ip-112-80-181-45.defastlink.net`
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
			PTR	`ip-117-89-178-173.defastlink.net`
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
			PTR	`ip-125-94-59-210.defastlink.net`
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
			PTR	`ip-129-211-176-209.defastlink.net`
NS	`ce1.xincache.com`
		A	2402:4e00:1470:2::e^{🇨🇳 TENCENT-NET-AP2402:4e00:1400::/40}
		A	1.12.0.4^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
			PTR	`ip-1-12-0-4.defastlink.net`
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
			PTR	`ip-112-80-181-45.defastlink.net`
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
			PTR	`ip-117-89-178-173.defastlink.net`
		A	117.135.128.235^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
			PTR	`(root)`
		A	125.94.59.210^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
			PTR	`ip-125-94-59-210.defastlink.net`
		A	129.211.176.209^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
			PTR	`ip-129-211-176-209.defastlink.net`
NS	`ce2.xincache.com`
		A	2402:4e00:111:fff::c^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	1.12.0.1^{🇨🇳 TENCENT-NET-AP-CN1.12.0.0/20 ZL-IDC-BOM}
			PTR	`ip-1-12-0-1.defastlink.net`
		A	117.89.178.184^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
			PTR	`ip-117-89-178-184.defastlink.net`
		A	117.135.128.235^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
			PTR	`(root)`
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
			PTR	`ip-129-211-176-239.defastlink.net`
		A	220.196.136.35^{🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24}
			PTR	`ip-220-196-136-35.defastlink.net`
MX	`qiye163mx01.mxmail.netease.com` ⭐
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
MX	`qiye163mx02.mxmail.netease.com`⁽¹⁰⁾
		A	47.251.71.119^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
		A	47.251.84.126^{🇺🇸 Alibaba-Cloud47.251.0.0/17 Proxy-registered route object}
TXT	`v=spf1 include:spf.163.com -all`
SOA	`ns11.xincache.com`ns12@xincache.com serial=1743060719

`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.cn`root@cnnic.cn serial=2034546407

Subdomains

www.ckcf.cn

Same first word

ckcf.ca

ckcf.de

ckcf.com.cn

ckcf.eu

ckcf.pt

ckcf.cn

Similar names

fcck.ru

kccf.de

kfcc.club

kfcc.com.tw

kfcc.com.au

kcfc.in

fcck.co

kfcc.cn

kfcc.com.cn

cckf.de

cckf.com

kcfc.org

kfcc.org.sa

ccfk.com

cfck.com.ar

cckf.org

kfcc.gov.sa

kccf.or.kr

cfck.com

kfcc.in

fkcc.cc

cfck.at

kccf.kr

fkcc.com

ckfc.com

kfcc.com

kfcc.team

ccfk.or.kr

ckfc.jp

kfcc.or.jp

cfkc.de

kcfc.com

kfcc.net

fcck.net

cfkc.org

kfcc.co.kr

cckf.org.tw

fkcc.net

cckf.net

kcfc.coop

kcfc.net

kccf.org

fckc.com

kcfc.de

cfkc.net

DNS History

15 records (7 active, 8 former)

●NSce1.xincache.com2026-02-15 → 2026-03-18 · 3 obs

○ 2017-02-17 17:57:12
● 2026-02-15 14:02:00
● 2026-03-18 22:21:16

●NSce2.xincache.com2026-02-15 → 2026-03-18 · 3 obs

○ 2017-02-17 17:57:12
● 2026-02-15 14:02:00
● 2026-03-18 22:21:16

●NSns11.xincache.com2026-02-15 → 2026-03-18 · 3 obs

○ 2017-02-17 17:57:12
● 2026-02-15 14:02:00
● 2026-03-18 22:21:16

○NSns13.xincache.com2015-06-20 → 2016-09-01 · 4 obs

● 2015-06-20 15:11:18
● 2016-09-01 22:53:32
○ 2017-02-17 17:57:12
○ 2026-03-18 22:21:16

○NSns14.xincache.com2015-06-20 → 2016-09-01 · 4 obs

● 2015-06-20 15:11:18
● 2016-09-01 22:53:32
○ 2017-02-17 17:57:12
○ 2026-03-18 22:21:16

○NSns19.xincache.com2017-02-17 → 2017-02-17 · 4 obs

○ 2016-09-01 22:53:32
● 2017-02-17 17:57:12
○ 2026-02-15 14:02:00
○ 2026-03-18 22:21:16

○NSns20.xincache.com2017-02-17 → 2017-02-17 · 4 obs

○ 2016-09-01 22:53:32
● 2017-02-17 17:57:12
○ 2026-02-15 14:02:00
○ 2026-03-18 22:21:16

○MXmx.qiye.163.com2015-06-20 → 2017-02-17 · 4 obs

● 2015-06-20 15:11:18
● 2017-02-17 17:57:12
○ 2026-02-15 14:02:00
○ 2026-03-18 22:21:16

○MXmx2.qiye.163.com2015-06-20 → 2017-02-17 · 4 obs

● 2015-06-20 15:11:18
● 2017-02-17 17:57:12
○ 2026-02-15 14:02:00
○ 2026-03-18 22:21:16

●MXqiye163mx01.mxmail.netease.com2026-02-15 → 2026-03-18 · 3 obs

○ 2017-02-17 17:57:12
● 2026-02-15 14:02:00
● 2026-03-18 22:21:16

●MXqiye163mx02.mxmail.netease.com2026-02-15 → 2026-03-18 · 3 obs

○ 2017-02-17 17:57:12
● 2026-02-15 14:02:00
● 2026-03-18 22:21:16

●A113.44.147.1112026-02-15 → 2026-03-18 · 3 obs

○ 2017-02-17 17:57:12
● 2026-02-15 14:02:00
● 2026-03-18 22:21:16

○A121.14.65.2162016-04-21 → 2017-02-17 · 5 obs

○ 2016-02-01 14:00:52
● 2016-04-21 06:55:52
● 2017-02-17 17:57:12
○ 2026-02-15 14:02:00
○ 2026-03-18 22:21:16

●A18.163.83.1972026-02-15 → 2026-03-18 · 3 obs

○ 2017-02-17 17:57:12
● 2026-02-15 14:02:00
● 2026-03-18 22:21:16

○A183.60.190.1542015-06-20 → 2016-02-01 · 4 obs

● 2015-06-20 15:11:18
● 2016-02-01 14:00:52
○ 2016-04-21 06:55:52
○ 2026-03-18 22:21:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	b.dns.cn, a.dns.cn, d.dns.cn, e.dns.cn...	-
ckcf.cn	ce1.xincache.com, ce2.xincache.com	-

✅ Authoritative Response

Server: 117.89.178.173

NS records: ce1.xincache.com, ce2.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ckcf.cn (unsigned zone)

⏱️ Timing

Total: 1195ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`113.44.147.111, 18.163.83.197`
NS	2	`ce2.xincache.com, ce1.xincache.com`
MX	2	`qiye163mx01.mxmail.netease.com (pri: 5), qiye163mx02.mxmail.netease.com (pri: 10)`
TXT	1	`v=spf1 include:spf.163.com -all`
SOA	1	`ns11.xincache.com ns12.xincache.com`

Analysis

Hierarchy

www.ckcf.cn is a child of ckcf.cn.

IP Addresses

ckcf.cn has two IP numbers: 18.163.83.197 and 113.44.147.111.

Other host names, for instance jingda-tools.com, iotheta.com, zcc.cn, ayan-sh.com and yjxlawyer.com share IP numbers with ckcf.cn.

Name Servers

ckcf.cn is delegated to three name servers: ce1.xincache.com, ce2.xincache.com and ns11.xincache.com.

ckcf.cn at least partially shares name servers with other domains, including pingtai8.com, maoxiaobei.com, mini-cn.com, logic-sz.com and khgcl.com.

these name servers are commonly used with ns12.xincache.com, ns17.xincache.com, ns18.xincache.com, ns19.xincache.com, ns20.xincache.com, ns13.xincache.com, ns14.xincache.com, ns15.xincache.com and ns16.xincache.com.

Host names with eight IP numbers:

The host name ns11.xincache.com points to 2402:4e00:1470:2::e, 2402:4e00:1730::e, 1.12.0.4, 36.155.149.180, 112.80.181.45, 117.89.178.173, 125.94.59.210 and 129.211.176.209.

Host names with seven IP numbers:

The host name ce1.xincache.com points to 2402:4e00:1470:2::e, 1.12.0.4, 112.80.181.45, 117.89.178.173, 117.135.128.235, 125.94.59.210 and 129.211.176.209.

Host names with six IP numbers:

The host name ce2.xincache.com points to 2402:4e00:111:fff::c, 1.12.0.1, 117.89.178.184, 117.135.128.235, 129.211.176.239 and 220.196.136.35.

Host names that point to 2402:4e00:1470:2::e: ns11.xincache.com and ce1.xincache.com.

Host names that point to 1.12.0.4: ns11.xincache.com and ce1.xincache.com.

Host names that point to 112.80.181.45: ns11.xincache.com and ce1.xincache.com.

Host names that point to 117.89.178.173: ns11.xincache.com and ce1.xincache.com.

Host names that point to 125.94.59.210: ns11.xincache.com and ce1.xincache.com.

Host names that point to 129.211.176.209: ns11.xincache.com and ce1.xincache.com.

Host names that point to 117.135.128.235: ce1.xincache.com and ce2.xincache.com.

Mail Servers

ckcf.cn is served by two mail servers qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com.

ckcf.cn shares the same mail server setup as other domains, for instance yumetals.com, fcouncil.com, lightpaw.com, cncy.us and yzyhkj.com.

ckcf.cn shares some mail servers with other domains, at least in part; for example cenval.cn and cn95598.com.

Host names with two IP numbers

qiye163mx01.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126.

qiye163mx02.mxmail.netease.com points to 47.251.71.119 and 47.251.84.126.

Names pointing to 47.251.71.119: qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com.

Names pointing to 47.251.84.126: qiye163mx01.mxmail.netease.com and qiye163mx02.mxmail.netease.com.

ckcf.cn - robtex.com

ckcf.cn

cn

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`ckcf.cn`

`cn`