21cd.com - dns.ninja

`21cd.com`

DNSSEC	⚠️ Not signed
NS	`f1g1ns1.dnspod.net` ⭐
		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}
		A	1.14.119.35^{🇨🇳 TENCENT-NET-AP1.14.64.0/18}
		A	111.13.13.35^{🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)}
		A	117.135.128.235^{🇨🇳 CHINAMOBILE-CN117.135.128.0/24 CMI (Customer Route)}
			PTR	`(root)`
		A	125.94.59.235^{🇨🇳 CHINANET-BACKBONE125.88.0.0/13 chinanet Guangdong network}
		A	163.177.5.35^{🇨🇳 UNICOM-GuangZhou-IDC163.177.5.0/24}
NS	`f1g1ns2.dnspod.net`
		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}
		A	1.13.76.35^{🇨🇳 TENCENT-NET-AP1.13.64.0/18}
		A	36.155.149.35^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
		A	101.227.168.35^{🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC}
		A	106.39.207.235^{🇨🇳 CHINA-1106.39.192.0/19 China Telecom Beijing Co. Ltd.}
		A	111.206.98.235^{🇨🇳 CHINA169-BJ111.206.98.0/24}
		A	220.196.136.35^{🇨🇳 UNICOM-SHFT-IDC220.196.136.0/24}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
SOA	`f1g1ns1.dnspod.net`freednsadmin@dnspod.com serial=1526278693

`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=1786223219

WOT: SAFE (19/100)

Subdomains

mail.21cd.com

Same first word

21cd.com

21cd.cn

21cd.cc

Similar names

c1d2.com

12cd.us

cd12.com

cd21.com

cd21.nl

21dc.com.cn

dc12.org

dc21.us

c12d.com

dc21.tv

dc21.com

cd21.fr

c1d2.xyz

d1c2.com

12cd.com

cd12.org

d21c.com

DNS History

8 records (4 active, 4 former)

●NSf1g1ns1.dnspod.net2015-08-15 → 2026-08-08 · 2 obs

● 2015-08-15 18:19:06
● 2026-08-08 21:30:24

●NSf1g1ns2.dnspod.net2015-08-15 → 2026-08-08 · 2 obs

● 2015-08-15 18:19:06
● 2026-08-08 21:30:24

●MXmxbiz1.qq.com2016-04-15 → 2026-08-08 · 2 obs

● 2016-04-15 00:11:34
● 2026-08-08 21:30:24

●MXmxbiz2.qq.com2016-04-15 → 2026-08-08 · 2 obs

● 2016-04-15 00:11:34
● 2026-08-08 21:30:24

○A119.28.48.2292016-04-15 → 2016-11-24 · 5 obs

○ 2015-08-15 18:19:06
● 2016-04-15 00:11:34
● 2016-11-24 04:26:46
○ 2019-12-30 16:28:46
○ 2026-08-08 21:30:24

○A61.164.253.1112015-08-15 → 2015-08-15 · 3 obs

● 2015-08-15 18:19:06
○ 2026-03-29 13:01:54
○ 2026-08-08 21:30:24

○CNAME21cd.cn2015-08-15 → 2015-08-15 · 3 obs

● 2015-08-15 18:19:06
○ 2016-01-21 15:02:28
○ 2026-08-08 21:30:24

○CNAMEdnspod-free.mydnspod.net2016-01-21 → 2019-12-30 · 5 obs

○ 2015-08-15 18:19:06
● 2016-01-21 15:02:28
● 2019-12-30 16:28:46
○ 2026-03-29 13:01:54
○ 2026-08-08 21:30:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
21cd.com	f1g1ns1.dnspod.net, f1g1ns2.dnspod.net	-

✅ Authoritative Response

Server:1.12.0.1

NS records: f1g1ns1.dnspod.net, f1g1ns2.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 544ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`f1g1ns1.dnspod.net, f1g1ns2.dnspod.net`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
SOA	1	`f1g1ns1.dnspod.net freednsadmin.dnspod.c`

Analysis

Hierarchy

mail.21cd.com is a subdomain of 21cd.com.

Name Servers

21cd.com is served by two delegated name servers, f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.

The name server configuration of 21cd.com is shared with other domains, for instance ex99.com, 178yy.com, gd-gfy.com and two others.

The name servers of 21cd.com overlap at least partially with those of other domains — among them celeb.black, rubber-tube.com, 88lingo.com and two more.

These name servers tend to appear together with the name servers a.dnspod.com, b.dnspod.com and c.dnspod.com, plus two others.

Hosts with 8 IP addresses each:

f1g1ns2.dnspod.net carries IP addresses 1.12.0.1, 1.13.76.35 and 36.155.149.35, with 5 other addresses beyond those.

Hosts with 7 IP addresses each:

f1g1ns1.dnspod.net carries IP addresses 1.12.0.4, 1.14.119.35 and 111.13.13.35, with 4 other addresses beyond those.

Mail Servers

21cd.com uses two mail servers, mxbiz1.qq.com and mxbiz2.qq.com.

The mail server setup of 21cd.com matches that of other domains such as jjrlab.com, itgriffiths.com, hityun.cn and two others.

At least some of the mail servers used by 21cd.com are shared with other domains: zhongkouchuan.com, hdmvo.com, cpiaoju.com and two others among them.