`21cbi.com`

DNSSEC	⚠️ Not signed
A	150.109.239.185^{🇰🇷 TENCENT-NET-AP-CN150.109.224.0/19 Proxy-registered route object}
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)}
		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	`mxdomain.qq.com` ⭐
SOA	`f1g1ns1.dnspod.net`freednsadmin@dnspod.com serial=1780982513

`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=1785207507

WOT: SAFE (63/100)

Same first word

21cbi.com

Similar names

ibc21.eu

21cib.com

ibc21.com

ibc21.co.jp

DNS History

7 records (4 active, 3 former)

●NSf1g1ns1.dnspod.net2015-07-05 → 2026-07-28 · 2 obs

● 2015-07-05 23:28:06
● 2026-07-28 03:11:40

●NSf1g1ns2.dnspod.net2015-07-05 → 2026-07-28 · 2 obs

● 2015-07-05 23:28:06
● 2026-07-28 03:11:40

●MXmxdomain.qq.com2016-12-30 → 2026-07-28 · 2 obs

● 2016-12-30 07:00:30
● 2026-07-28 03:11:40

○A103.47.221.1712015-07-05 → 2016-04-11 · 4 obs

● 2015-07-05 23:28:06
● 2016-04-11 18:17:16
○ 2016-12-30 07:00:30
○ 2026-07-28 03:11:40

○A116.255.182.252016-12-30 → 2016-12-30 · 4 obs

○ 2016-04-11 18:17:16
● 2016-12-30 07:00:30
○ 2020-02-02 07:36:08
○ 2026-07-28 03:11:40

●A150.109.239.1852026-07-05 → 2026-07-28 · 3 obs

○ 2020-02-02 07:36:08
● 2026-07-05 18:04:50
● 2026-07-28 03:11:40

○A47.56.109.1602020-02-02 → 2020-02-02 · 4 obs

○ 2016-12-30 07:00:30
● 2020-02-02 07:36:08
○ 2026-07-05 18:04:50
○ 2026-07-28 03:11:40

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:2402:4e00:1470:2::e

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 2611ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`150.109.239.185`
NS	2	`f1g1ns2.dnspod.net, f1g1ns1.dnspod.net`
MX	1	`mxdomain.qq.com (pri: 10)`
SOA	1	`f1g1ns1.dnspod.net freednsadmin.dnspod.c`

Analysis

IP Addresses

21cbi.com resolves to one IP address: 150.109.239.185.

Name Servers

DNS delegation for 21cbi.com points to two name servers: f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.

21cbi.com uses the same name servers as several other domains — among them qianbaijia.com, windia.net, chiralblock.com and two more.

21cbi.com partially shares its NS delegation with several other domains, including zhoyxx.cn, koufrache.ru, xn--qyrq82b70f.top and two others.

These name servers regularly co-occur with the name servers ns11.xincache.com, ns12.xincache.com and a.dnspod.com.

Hostnames that resolve to 8 IP addresses:

f1g1ns2.dnspod.net has IP addresses 1.12.0.1, 1.13.76.35 and 36.155.149.35, plus 5 other.

Hostnames that resolve to 7 IP addresses:

f1g1ns1.dnspod.net has IP addresses 1.12.0.4, 1.14.119.35 and 111.13.13.35, plus 4 other.

Mail Servers

Mail for 21cbi.com is handled by a single mail server, mxdomain.qq.com.

21cbi.com uses an identical mail server configuration to several other domains — among them wanyaxing.com, liangpai520.com, cccu.cc and two more.

21cbi.com partially shares its mail servers with other domains, revtime-med.com and fxbaogao.com being examples.

21cbi.com - robtex.com

21cbi.com

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