`techvc.cn`

DNSSEC	⚠️ Not signed
A	43.143.166.70^{🇨🇳 TENCENT-NET-AP43.143.128.0/18}
NS	`internship.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}
			PTR	`ip-1-12-0-4.defastlink.net`
		A	1.14.119.35^{🇨🇳 TENCENT-NET-AP1.14.64.0/18}
			PTR	`ip-1-14-119-35.defastlink.net`
		A	111.13.13.35^{🇨🇳 CHINAMOBILE-CN111.13.0.0/16 CMI (Customer Route)}
			PTR	`ip-111-13-13-35.defastlink.net`
		A	112.80.181.45^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
			PTR	`ip-112-80-181-45.defastlink.net`
		A	117.89.178.173^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC117.89.176.0/21 JS-CT NJ-JS-IDC}
			PTR	`ip-117-89-178-173.defastlink.net`
NS	`key.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}
			PTR	`ip-1-12-0-1.defastlink.net`
		A	36.155.149.176^{🇨🇳 CMNET-Jiangsu-AP36.155.144.0/21 CMI (Customer Route)}
			PTR	`ip-36-155-149-176.defastlink.net`
		A	101.227.168.35^{🇨🇳 SHANGHAITELECOM101.227.168.0/23 SHIDC}
			PTR	`ip-101-227-168-35.defastlink.net`
		A	111.206.98.235^{🇨🇳 CHINA169-BJ111.206.98.0/24}
			PTR	`ip-111-206-98-235.defastlink.net`
		A	129.211.176.239^{🇨🇳 TENCENT-NET-AP129.211.176.0/20}
			PTR	`ip-129-211-176-239.defastlink.net`
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=QoEV4dZYgD4Sy44fqaZg`
SOA	`internship.dnspod.net`freednsadmin@dnspod.com serial=1770554862

`cn`

	DNSSEC	⚠️ Not signed
	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=2034546407

rank #455596 globally
rank #6864 in the tld

Same first word

techvc.org

techvc.net

techvc.com

techvc.cn

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vctech.co

DNS History

6 records (6 active, 0 former)

●NSinternship.dnspod.net2026-02-23 → 2026-03-23 · 2 obs

● 2026-02-23 07:08:26
● 2026-03-23 14:32:56

●NSkey.dnspod.net2026-02-23 → 2026-03-23 · 2 obs

● 2026-02-23 07:08:26
● 2026-03-23 14:32:56

●MXmx1.feishu.cn2026-02-23 → 2026-03-23 · 2 obs

● 2026-02-23 07:08:26
● 2026-03-23 14:32:56

●MXmx2.feishu.cn2026-02-23 → 2026-03-23 · 2 obs

● 2026-02-23 07:08:26
● 2026-03-23 14:32:56

●MXmx3.feishu.cn2026-02-23 → 2026-03-23 · 2 obs

● 2026-02-23 07:08:26
● 2026-03-23 14:32:56

●A43.143.166.702026-02-23 → 2026-03-23 · 2 obs

● 2026-02-23 07:08:26
● 2026-03-23 14:32:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	b.dns.cn, e.dns.cn, a.dns.cn, c.dns.cn...	-
techvc.cn	key.dnspod.net, internship.dnspod.net	-

✅ Authoritative Response

Server:1.12.0.1

NS records: key.dnspod.net, internship.dnspod.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for techvc.cn (unsigned zone)

⏱️ Timing

Total: 656ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`43.143.166.70`
NS	2	`key.dnspod.net, internship.dnspod.net`
MX	3	`mx1.feishu.cn (pri: 1), mx2.feishu.cn (pri: 5)...`
TXT	2	`verification-code-site-App_feishu=QoEV4d, v=spf1 +include:_netblocks.m.feishu.cn -`
SOA	1	`internship.dnspod.net freednsadmin.dnspo`

Analysis

IP Addresses

techvc.cn maps to IP address 43.143.166.70.

Name Servers

Two name servers internship.dnspod.net and key.dnspod.net are delegated to techvc.cn.

techvc.cn uses the same name server configuration as other domains, such as jiankangniwo.com, azkj.net, mynep.net, qpnet.net and leminyun.com.

techvc.cn at least partially shares name servers with other domains, including hanliuquan.net, skylinegame.net and shanlv.cn.

these name servers are commonly used with the name servers f1g1ns1.dnspod.net.

Host names with six IP numbers: Host name internship.dnspod.net points to 2402:4e00:1470:2::e, 1.12.0.4, 1.14.119.35, 111.13.13.35, 112.80.181.45 and 117.89.178.173; host name key.dnspod.net points to 2402:4e00:111:fff::c, 1.12.0.1, 36.155.149.176, 101.227.168.35, 111.206.98.235 and 129.211.176.239.

Mail Servers

techvc.cn is handled by three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

techvc.cn shares mail servers with other domains at least in part, for instance tyteam.cn, goldgreen.com.cn, bolente.com, cloudcadeus.com and boltcat.com.