`521ju.com`

CNAME	`expired.hichina.com`
DNSSEC	⚠️ Not signed
A	8.218.208.240^{🇭🇰 Alibaba-Cloud8.218.128.0/17 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
A	47.76.127.217^{🇺🇸 Alibaba-Cloud47.76.0.0/17 Proxy-registered route object}
A	47.91.170.222^{🇭🇰 Alibaba-Cloud47.91.128.0/18 Alibaba Cloud}
NS	`ns1.alidns.com` ⭐ ⚠️ Not in parent delegation
		A	2408:4009:501::1^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.45^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.55^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.205^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.215^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.45^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.55^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.115^{🇨🇳 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	139.224.142.125^{🇨🇳 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	`ns2.alidns.com` ⚠️ Not in parent delegation
		A	2408:4009:501::2^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.46^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.56^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.206^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.216^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.46^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.56^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.116^{🇨🇳 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	139.224.142.126^{🇨🇳 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	`ns1.alidns.com`hostmaster@hichina.com 2026-01-12 #9

`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=1774700687

⚠️ On DNS blocklist: tif

Same first word

521ju.com

Similar names

j251u.xyz

125ju.com

DNS History

15 records (5 active, 10 former)

○NSdns1.iidns.com2015-06-05 → 2016-03-25 · 4 obs

● 2015-06-05 19:48:32
● 2016-03-25 10:37:18
○ 2016-07-27 10:42:54
○ 2026-03-28 12:44:18

○NSdns2.iidns.com2015-10-19 → 2016-03-25 · 5 obs

○ 2015-06-05 19:48:32
● 2015-10-19 22:15:24
● 2016-03-25 10:37:18
○ 2016-07-27 10:42:54
○ 2026-03-28 12:44:18

○NSdns3.iidns.com2015-10-19 → 2016-03-25 · 5 obs

○ 2015-06-05 19:48:32
● 2015-10-19 22:15:24
● 2016-03-25 10:37:18
○ 2016-07-27 10:42:54
○ 2026-03-28 12:44:18

○NSdns4.iidns.com2015-10-19 → 2016-03-25 · 5 obs

○ 2015-06-05 19:48:32
● 2015-10-19 22:15:24
● 2016-03-25 10:37:18
○ 2016-07-27 10:42:54
○ 2026-03-28 12:44:18

○NSdns5.iidns.com2015-10-19 → 2016-03-25 · 5 obs

○ 2015-06-05 19:48:32
● 2015-10-19 22:15:24
● 2016-03-25 10:37:18
○ 2016-07-27 10:42:54
○ 2026-03-28 12:44:18

○NSdns6.iidns.com2015-10-19 → 2016-03-25 · 5 obs

○ 2015-06-05 19:48:32
● 2015-10-19 22:15:24
● 2016-03-25 10:37:18
○ 2016-07-27 10:42:54
○ 2026-03-28 12:44:18

●NSexpirens3.hichina.com2026-03-21 → 2026-03-28 · 3 obs

○ 2016-07-27 10:42:54
● 2026-03-21 14:49:40
● 2026-03-28 12:44:18

●NSexpirens4.hichina.com2026-03-21 → 2026-03-28 · 3 obs

○ 2016-07-27 10:42:54
● 2026-03-21 14:49:40
● 2026-03-28 12:44:18

●NSns7.alidns.com2026-03-21 → 2026-03-28 · 3 obs

○ 2016-07-27 10:42:54
● 2026-03-21 14:49:40
● 2026-03-28 12:44:18

●NSns8.alidns.com2026-03-21 → 2026-03-28 · 3 obs

○ 2016-07-27 10:42:54
● 2026-03-21 14:49:40
● 2026-03-28 12:44:18

○A125.88.190.452015-06-05 → 2015-06-05 · 3 obs

● 2015-06-05 19:48:32
○ 2017-06-29 19:42:48
○ 2026-03-28 12:44:18

○A96.46.2.1072015-12-25 → 2015-12-25 · 4 obs

○ 2015-06-05 19:48:32
● 2015-12-25 02:17:58
○ 2016-07-27 10:42:54
○ 2026-03-28 12:44:18

○CNAMEbfb8ee783e9beaa1.dnspao.com2015-06-05 → 2015-06-05 · 3 obs

● 2015-06-05 19:48:32
○ 2015-10-19 22:15:24
○ 2026-03-28 12:44:18

●CNAMEexpired.hichina.com2026-03-21 → 2026-03-28 · 3 obs

○ 2016-03-25 10:37:18
● 2026-03-21 14:49:40
● 2026-03-28 12:44:18

○CNAMEwww.523hc.com2015-10-19 → 2015-12-25 · 5 obs

○ 2015-06-05 19:48:32
● 2015-10-19 22:15:24
● 2015-12-25 02:17:58
○ 2016-03-25 10:37:18
○ 2026-03-28 12:44:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net...	-
521ju.com	expirens3.hichina.com, expirens4.hichina.com	18 records

✅ Authoritative Response

Server:47.118.199.192

NS records: expirens3.hichina.com, expirens4.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 752ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns7.alidns.com, ns8.alidns.com`
CNAME	1	`expired.hichina.com`
SOA	1	`ns7.alidns.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (expirens3.hichina.com, expirens3.hichina.com, expirens3.hichina.com...)

Analysis

IP Addresses

521ju.com points to three IP numbers: 8.218.208.240, 47.76.127.217 and 47.91.170.222.

Other host names, for instance expired.hichina.com share IP numbers with 521ju.com.

Name Servers

521ju.com is delegated to two name servers: ns1.alidns.com and ns2.alidns.com.

521ju.com shares the same name server setup as jumpa-z.com, yitonghuoyun.com, baodekeji.com, 805a8702410281.beer and 615ce4aac10251.beer.

521ju.com at least partially shares name servers with other domains, for instance wxdongma.com, orientcable.com, bankpos.com.cn, hao0518.com and eqpy.com.

these name servers are often used with the name servers ns7.alidns.com, ns8.alidns.com, dns10.hichina.com, dns9.hichina.com, dns21.hichina.com, dns22.hichina.com, dns15.hichina.com and dns16.hichina.com.

Nine IP numbers per host:

ns1.alidns.com points to: 2408:4009:501::1, 39.96.153.45, 39.96.153.55, 47.118.199.205, 47.118.199.215, 120.76.107.45, 120.76.107.55, 139.224.142.115 and 139.224.142.125.

ns2.alidns.com points to: 2408:4009:501::2, 39.96.153.46, 39.96.153.56, 47.118.199.206, 47.118.199.216, 120.76.107.46, 120.76.107.56, 139.224.142.116 and 139.224.142.126.

521ju.com - robtex.com

521ju.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`521ju.com`

`com`