`21uc.com`

DNSSEC	⚠️ Not signed
A	118.145.251.250^{🇨🇳 VOLCANO-ENGINE118.145.248.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns11.hichina.com` ⭐
		A	2408:4009:501::19^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.112^{🇨🇳 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	139.224.142.122^{🇨🇳 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	`dns12.hichina.com`
		A	2408:4009:501::20^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.111^{🇨🇳 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	139.224.142.121^{🇨🇳 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	`dns11.hichina.com`hostmaster@hichina.com 2026-06-04 #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=1783673862

Same first word

21uc.com

Similar names

1c2u.ru

cu12.ac.kr

21cu.net

12cu.com

cu21.net

cu12.com

uc21.com

u2c1.com

u21c.com

c21u.com

21cu.com.cn

12uc.de

12uc.com

1c2u.com

DNS History

13 records (3 active, 10 former)

●NSdns11.hichina.com2026-06-22 → 2026-07-10 · 3 obs

○ 2016-12-30 19:19:38
● 2026-06-22 23:43:16
● 2026-07-10 09:12:44

●NSdns12.hichina.com2026-06-22 → 2026-07-10 · 3 obs

○ 2016-12-30 19:19:38
● 2026-06-22 23:43:16
● 2026-07-10 09:12:44

○NSf1g1ns1.dnspod.net2015-06-20 → 2016-12-30 · 4 obs

● 2015-06-20 14:31:46
● 2016-12-30 19:19:38
○ 2026-06-22 23:43:16
○ 2026-07-10 09:12:44

○NSf1g1ns2.dnspod.net2015-06-20 → 2016-04-09 · 4 obs

● 2015-06-20 14:31:46
● 2016-04-09 22:25:30
○ 2026-06-22 23:43:16
○ 2026-07-10 09:12:44

○A113.10.246.1772015-10-28 → 2015-10-28 · 4 obs

○ 2015-06-20 14:31:46
● 2015-10-28 22:29:52
○ 2016-01-19 20:24:12
○ 2026-07-10 09:12:44

○A113.10.246.1792015-10-28 → 2015-10-28 · 4 obs

○ 2015-06-20 14:31:46
● 2015-10-28 22:29:52
○ 2016-01-19 20:24:12
○ 2026-07-10 09:12:44

●A118.145.251.2502026-06-22 → 2026-07-10 · 3 obs

○ 2017-12-31 16:45:58
● 2026-06-22 23:43:16
● 2026-07-10 09:12:44

○A42.200.35.512016-01-19 → 2016-04-09 · 5 obs

○ 2015-10-28 22:29:52
● 2016-01-19 20:24:12
● 2016-04-09 22:25:30
○ 2026-06-22 23:43:16
○ 2026-07-10 09:12:44

○A42.200.35.522016-01-19 → 2016-04-09 · 5 obs

○ 2015-10-28 22:29:52
● 2016-01-19 20:24:12
● 2016-04-09 22:25:30
○ 2026-06-22 23:43:16
○ 2026-07-10 09:12:44

○A59.188.242.1452015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 14:31:46
○ 2017-12-31 16:45:58
○ 2026-07-10 09:12:44

○A59.188.242.2332015-06-20 → 2015-06-20 · 3 obs

● 2015-06-20 14:31:46
○ 2017-12-31 16:45:58
○ 2026-07-10 09:12:44

○CNAMEb2b.fenku.com2015-06-20 → 2016-04-09 · 4 obs

● 2015-06-20 14:31:46
● 2016-04-09 22:25:30
○ 2016-12-30 19:19:38
○ 2026-07-10 09:12:44

○CNAMElianmeng.fenku.com2017-12-31 → 2017-12-31 · 4 obs

○ 2016-12-30 19:19:38
● 2017-12-31 16:45:58
○ 2026-06-22 23:43:16
○ 2026-07-10 09:12:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net, f.gtld-servers.net...	-
21uc.com	dns11.hichina.com, dns12.hichina.com	18 records

✅ Authoritative Response

Server:2408:4009:501::19

NS records: dns11.hichina.com, dns12.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 21uc.com (unsigned zone)

⏱️ Timing

Total: 2972ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`118.145.251.250`
NS	2	`dns11.hichina.com, dns12.hichina.com`
SOA	1	`dns11.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns11.hichina.com, dns11.hichina.com, dns11.hichina.com...)

Analysis

IP Addresses

21uc.com directs to one IP number, which is 118.145.251.250.

Name Servers

21uc.com uses two name servers for its delegation: dns11.hichina.com and dns12.hichina.com.

21uc.com has the same name server delegation as a number of other domains, such as eshoptea.com, hiveso.com, shidaiyun.com and two more.

21uc.com partially shares its NS delegation with several other domains, including yx360.com, chinabroadnet.com, dymed.org and two others.

These name servers are regularly seen alongside expirens3.hichina.com and expirens4.hichina.com as name servers.

Host names resolving to 9 IP numbers:

Hostname dns11.hichina.com directs to 39.96.153.42, 39.96.153.52 and 47.118.199.202 along with 6 other IP addresses.

Hostname dns12.hichina.com directs to 39.96.153.41, 39.96.153.51 and 47.118.199.201 along with 6 other IP addresses.

21uc.com - robtex.com

21uc.com

com