cttech.cn - dns.ninja

`cttech.cn`

DNSSEC	⚠️ Not signed
A	8.138.80.13^{🇨🇳 Alibaba-Cloud8.138.0.0/17 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
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⁾
TXT	`202005060000000fyr7xv7g97jfw5rsoir3sqkwfp38ota3ymv04i33763ceqnn8`
TXT	`v=spf1 include:spf.mail.qq.com ~all`
SOA	`f1g1ns1.dnspod.net`freednsadmin@dnspod.com serial=1780914601

`cn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.dns.cn` ⭐
	NS	`b.dns.cn`
	NS	`c.dns.cn`
	NS	`d.dns.cn`
	NS	`e.dns.cn`
	NS	`ns.cernet.net` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2035147458

Same first word

cttech.com.hk

cttech.in

cttech.cn

cttech.net

cttech.org

cttech.co.uk

cttech.biz

cttech.com

cttech.de

cttech.us

cttech.com.br

cttech.co

Similar names

tctech.ca

ttechc.com

tctech.com.ar

tctech.eu

tctech.co.kr

thectc.com

tctech.com.my

ctchet.com

tctech.org.vn

thetcc.com

cetcht.com

tctech.de

techct.ru

ttechc.net

techtc.com

tctech.com.tw

ccteht.ca

tctech.info

techtc.eu

tctech.co.in

tctech.us

thetcc.net

tctech.com

tctech.hu

thecct.com

thectc.co.uk

hetcct.nl

tctech.org

techct.com.tw

ctceht.com

tctech.events

tctech.vn

tctech.se

tctech.net

DNS History

14 records (5 active, 9 former)

●NSf1g1ns1.dnspod.net2016-11-10 → 2026-08-06 · 3 obs

○ 2016-05-01 07:10:24
● 2016-11-10 15:08:36
● 2026-08-06 04:50:26

●NSf1g1ns2.dnspod.net2016-11-10 → 2026-08-06 · 3 obs

○ 2016-05-01 07:10:24
● 2016-11-10 15:08:36
● 2026-08-06 04:50:26

○NSns5010.01isp.com2015-08-15 → 2016-05-01 · 4 obs

● 2015-08-15 17:11:32
● 2016-05-01 07:10:24
○ 2016-11-10 15:08:36
○ 2026-08-06 04:50:26

○NSns5011.01isp.cn2015-08-15 → 2016-05-01 · 4 obs

● 2015-08-15 17:11:32
● 2016-05-01 07:10:24
○ 2016-11-10 15:08:36
○ 2026-08-06 04:50:26

○MXmx180y.chinaemail.cn2015-08-15 → 2015-12-19 · 4 obs

● 2015-08-15 17:11:32
● 2015-12-19 02:33:24
○ 2016-05-01 07:10:24
○ 2026-08-06 04:50:26

○MXmxa180y.chinaemail.cn2015-08-15 → 2015-12-19 · 4 obs

● 2015-08-15 17:11:32
● 2015-12-19 02:33:24
○ 2016-05-01 07:10:24
○ 2026-08-06 04:50:26

●MXmxbiz1.qq.com2016-05-01 → 2026-08-06 · 5 obs

○ 2015-12-19 02:33:24
● 2016-05-01 07:10:24
● 2020-12-14 20:06:42
○ 2026-07-11 12:21:54
● 2026-08-06 04:50:26

●MXmxbiz2.qq.com2016-05-01 → 2026-08-06 · 5 obs

○ 2015-12-19 02:33:24
● 2016-05-01 07:10:24
● 2020-12-14 20:06:42
○ 2026-07-11 12:21:54
● 2026-08-06 04:50:26

○A111.221.108.962015-12-19 → 2016-05-01 · 5 obs

○ 2015-08-15 17:11:32
● 2015-12-19 02:33:24
● 2016-05-01 07:10:24
○ 2016-11-10 15:08:36
○ 2026-08-06 04:50:26

○A120.24.41.2102020-07-27 → 2020-08-27 · 5 obs

○ 2016-11-10 15:08:36
● 2020-07-27 20:55:02
● 2020-08-27 14:53:20
○ 2020-12-14 20:06:42
○ 2026-08-06 04:50:26

○A174.128.228.1012015-08-15 → 2015-08-15 · 3 obs

● 2015-08-15 17:11:32
○ 2015-12-19 02:33:24
○ 2026-08-06 04:50:26

○A47.115.176.1182020-12-14 → 2020-12-14 · 4 obs

○ 2020-08-27 14:53:20
● 2020-12-14 20:06:42
○ 2026-07-02 09:58:34
○ 2026-08-06 04:50:26

○A8.138.203.1822026-07-02 → 2026-08-06 · 2 obs

○ 2026-07-02 09:58:34
○ 2026-08-06 04:50:26

●A8.138.80.132026-07-02 → 2026-08-06 · 4 obs

○ 2020-12-14 20:06:42
● 2026-07-02 09:58:34
○ 2026-07-11 12:21:54
● 2026-08-06 04:50:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
cttech.cn	f1g1ns1.dnspod.net, f1g1ns2.dnspod.net	-

✅ Authoritative Response

Server:111.206.98.235

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

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn

⏱️ Timing

Total: 3677ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`8.138.80.13`
NS	2	`f1g1ns2.dnspod.net, f1g1ns1.dnspod.net`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
TXT	2	`v=spf1 include:spf.mail.qq.com ~all, 202005060000000fyr7xv7g97jfw5rsoir3sqkwf`
SOA	1	`f1g1ns1.dnspod.net freednsadmin.dnspod.c`

Analysis

IP Addresses

cttech.cn points to a single IP number: 8.138.80.13.

Name Servers

cttech.cn is delegated to two name servers: f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.

cttech.cn shares its name server setup with other domains, including lankedz.com, pacificcan.com, tim6.com and two others.

cttech.cn has at least partial name server overlap with other domains, such as i155i617.cfd, tjelec.com, luxuryxu.com and two others.

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

Host names with 8 IP numbers:

f1g1ns2.dnspod.net resolves to 1.12.0.1, 1.13.76.35, 36.155.149.35 and 5 other IP addresses.

Host names with 7 IP numbers:

f1g1ns1.dnspod.net resolves to 1.12.0.4, 1.14.119.35, 111.13.13.35 and 4 other IP addresses.

Mail Servers

cttech.cn has two mail servers: mxbiz1.qq.com and mxbiz2.qq.com.

cttech.cn shares the same mail server setup as other domains, including 1more.com, xiansda.com, jianjian.work and two others.

At least some of cttech.cn's mail servers are shared with other domains, among them cd-estt.com, moyuta.com, noiez.com and ztwhkl-tw.asia.