`521jk.com`

DNSSEC	⚠️ Not signed
A	47.113.151.14^{🇨🇳 Alibaba-Cloud47.113.0.0/16 Alibaba (US) Technology Co., Ltd.}
NS	`dns3.hichina.com` ⭐
		A	2408:4009:501::11^{🇨🇳 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	`dns4.hichina.com`
		A	2408:4009:501::12^{🇨🇳 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	`dns3.hichina.com`hostmaster@hichina.com 2026-01-09 #13

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774522407

Same first word

521jk.com

Similar names

kj152.com

j125k.xyz

DNS History

9 records (3 active, 6 former)

○NSdns10.hichina.com2016-06-24 → 2017-02-11 · 5 obs

○ 2016-03-07 08:28:22
● 2016-06-24 11:54:02
● 2017-02-11 16:46:22
○ 2026-02-18 10:19:18
○ 2026-03-26 11:23:14

●NSdns3.hichina.com2026-02-18 → 2026-03-26 · 3 obs

○ 2017-02-11 16:46:22
● 2026-02-18 10:19:18
● 2026-03-26 11:23:14

●NSdns4.hichina.com2026-02-18 → 2026-03-26 · 3 obs

○ 2017-02-11 16:46:22
● 2026-02-18 10:19:18
● 2026-03-26 11:23:14

○NSdns9.hichina.com2016-06-24 → 2017-02-11 · 5 obs

○ 2016-03-07 08:28:22
● 2016-06-24 11:54:02
● 2017-02-11 16:46:22
○ 2026-02-18 10:19:18
○ 2026-03-26 11:23:14

○NSf1g1ns1.dnspod.net2015-08-14 → 2016-03-07 · 4 obs

● 2015-08-14 17:03:36
● 2016-03-07 08:28:22
○ 2016-06-24 11:54:02
○ 2026-03-26 11:23:14

○NSf1g1ns2.dnspod.net2015-08-14 → 2016-03-07 · 4 obs

● 2015-08-14 17:03:36
● 2016-03-07 08:28:22
○ 2016-06-24 11:54:02
○ 2026-03-26 11:23:14

○A119.28.15.922015-12-04 → 2016-03-07 · 5 obs

○ 2015-08-14 17:03:36
● 2015-12-04 16:07:42
● 2016-03-07 08:28:22
○ 2016-06-24 11:54:02
○ 2026-03-26 11:23:14

○A139.129.14.42015-08-14 → 2015-08-14 · 3 obs

● 2015-08-14 17:03:36
○ 2015-12-04 16:07:42
○ 2026-03-26 11:23:14

●A47.113.151.142026-02-18 → 2026-03-26 · 3 obs

○ 2016-06-24 11:54:02
● 2026-02-18 10:19:18
● 2026-03-26 11:23:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net...	-
521jk.com	dns3.hichina.com, dns4.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.44

NS records: dns3.hichina.com, dns4.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 521jk.com (unsigned zone)

⏱️ Timing

Total: 3498ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`47.113.151.14`
NS	2	`dns4.hichina.com, dns3.hichina.com`
SOA	1	`dns3.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns3.hichina.com, dns3.hichina.com, dns3.hichina.com...)

Analysis

IP Addresses

521jk.com resolves to a single IP address: 47.113.151.14.

Name Servers

521jk.com's delegation uses two name servers, dns3.hichina.com and dns4.hichina.com.

521jk.com shares the same name server setup as other domains, for example nxcc.cn, ttggroupco.com, unicorndsp.com, qtb.net and kamzz.com.

521jk.com at least partially shares name servers with other domains, including flmq.com, hdmxw.com, psdzyy.com, leadacad.com and 42520.cn.

these name servers are commonly used with expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.

dns3.hichina.com points to: 2408:4009:501::11, 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.

dns4.hichina.com points to: 2408:4009:501::12, 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.

521jk.com - robtex.com

521jk.com

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