`51ckf.cn`

DNSSEC	⚠️ Not signed
NS	`dns1.hichina.com` ⭐
		A	2408:4009:501::9^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.43^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.63^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.203^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.213^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.43^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.63^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.113^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.123^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns2.hichina.com`
		A	2408:4009:501::10^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.44^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.54^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.204^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.214^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.44^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.54^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.114^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.124^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
SOA	`dns1.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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.cn`root@cnnic.cn serial=2034666695

Same first word

51ckf.cn

Similar names

kfc51.cc

f51kc.com

DNS History

2 records (2 active, 0 former)

●NSdns1.hichina.com2026-04-13 → 2026-04-13 · 2 obs

● 2026-04-13 16:17:42
● 2026-04-13 16:17:44

●NSdns2.hichina.com2026-04-13 → 2026-04-13 · 2 obs

● 2026-04-13 16:17:42
● 2026-04-13 16:17:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
51ckf.cn	dns1.hichina.com, dns2.hichina.com	-

✅ Authoritative Response

Server:120.76.107.54

NS records: dns1.hichina.com, dns2.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51ckf.cn (unsigned zone)

⏱️ Timing

Total: 4554ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns2.hichina.com, dns1.hichina.com`
SOA	1	`dns1.hichina.com hostmaster.hichina.com`

Analysis

Name Servers

51ckf.cn's delegation uses two name servers: dns1.hichina.com and dns2.hichina.com.

51ckf.cn uses the same name server setup as other domains, such as znn.cc, xayabx.com, zokboy.com, wugui888.com and 100panda.com.

51ckf.cn at least partially shares name servers with other domains, for instance yuyubd.com, furyforge.com, heibao.cn and 9-34.com.

These name servers are often used with expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers: The host name dns1.hichina.com points to 2408:4009:501::9, 39.96.153.43, 39.96.153.63, 47.118.199.203, 47.118.199.213, 120.76.107.43, 120.76.107.63, 139.224.142.113 and 139.224.142.123. The host name dns2.hichina.com points to 2408:4009:501::10, 39.96.153.44, 39.96.153.54, 47.118.199.204, 47.118.199.214, 120.76.107.44, 120.76.107.54, 139.224.142.114 and 139.224.142.124.

51ckf.cn - robtex.com

51ckf.cn

cn