`hd-tech.ac.cn`

DNSSEC	⚠️ Not signed
A	123.59.154.172^{🇨🇳 CHINA169-BJ123.59.128.0/19 CloudVsp.Inc}
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	`mx1.qiye.aliyun.com` ⭐
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mx2.qiye.aliyun.com`⁽¹⁰⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
MX	`mx3.qiye.aliyun.com`⁽¹⁵⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
TXT	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	`f1g1ns1.dnspod.net`freednsadmin@dnspod.com serial=1709882891

`ac.cn`

	DNSSEC	⚠️ Not signed
	NS	`a.dns.cn` ⭐ ⚠️ Not in parent delegation
	NS	`b.dns.cn` ⚠️ Not in parent delegation
	NS	`c.dns.cn` ⚠️ Not in parent delegation
	NS	`cns.cernet.net` ⚠️ Not in parent delegation
	NS	`d.dns.cn` ⚠️ Not in parent delegation
	NS	`e.dns.cn` ⚠️ Not in parent delegation
	SOA	`a.dns.cn`root@cnnic.cn serial=2027272196

WOT: SAFE (94/100)

Same first word

hd-tech.ac.cn

hd-tech.cc

hd-tech.com

hd-tech.net

Similar names

the-dhc.myshopify.com

dh-tech.cn

DNS History

6 records (6 active, 0 former)

●NSf1g1ns1.dnspod.net2026-05-19 → 2026-07-29 · 2 obs

● 2026-05-19 17:48:04
● 2026-07-29 06:33:08

●NSf1g1ns2.dnspod.net2026-05-19 → 2026-07-29 · 2 obs

● 2026-05-19 17:48:04
● 2026-07-29 06:33:08

●MXmx1.qiye.aliyun.com2026-05-19 → 2026-07-29 · 2 obs

● 2026-05-19 17:48:04
● 2026-07-29 06:33:08

●MXmx2.qiye.aliyun.com2026-05-19 → 2026-07-29 · 2 obs

● 2026-05-19 17:48:04
● 2026-07-29 06:33:08

●MXmx3.qiye.aliyun.com2026-05-19 → 2026-07-29 · 2 obs

● 2026-05-19 17:48:04
● 2026-07-29 06:33:08

●A123.59.154.1722026-05-19 → 2026-07-29 · 2 obs

● 2026-05-19 17:48:04
● 2026-07-29 06:33:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
hd-tech.ac.cn	f1g1ns1.dnspod.net, f1g1ns2.dnspod.net	-

✅ Authoritative Response

Server:1.13.76.35

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

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cn: Error: DNS query timeout: 203.119.25.1 for DNSKEY cn

⏱️ Timing

Total: 4297ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`123.59.154.172`
NS	2	`f1g1ns1.dnspod.net, f1g1ns2.dnspod.net`
MX	3	`mx1.qiye.aliyun.com (pri: 5), mx2.qiye.aliyun.com (pri: 10)...`
TXT	1	`v=spf1 include:spf.qiye.aliyun.com -all`
SOA	1	`f1g1ns1.dnspod.net freednsadmin.dnspod.c`

Analysis

IP Addresses

hd-tech.ac.cn has exactly one IP address — 123.59.154.172.

tongyusteelpipe.com, foda-hilight.com, hzhtys.com plus two other host names have IP numbers in common with hd-tech.ac.cn.

Name Servers

hd-tech.ac.cn uses two name servers for its delegation: f1g1ns1.dnspod.net and f1g1ns2.dnspod.net.

The name server configuration of hd-tech.ac.cn is shared with other domains, for instance 6679cc.com, dingyetech.com, findxiamenstone.com and two others.

hd-tech.ac.cn partially shares its NS delegation with several other domains, including pishu.org, jsy123.com, 666113.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, plus two others.

Hosts with 8 IP addresses each:

Hostname f1g1ns2.dnspod.net directs to 1.12.0.1, 1.13.76.35 and 36.155.149.35 along with 5 other IP addresses.

Hosts with 7 IP addresses each:

Hostname f1g1ns1.dnspod.net directs to 1.12.0.4, 1.14.119.35 and 111.13.13.35 along with 4 other IP addresses.

Mail Servers

hd-tech.ac.cn uses three mail servers — mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

At least some of the mail servers used by hd-tech.ac.cn are shared with other domains: 94buy.com, bolystone.com, zsjc.com.cn and two others among them.

These mail servers often appear in conjunction with the mail servers mxn.mxhichina.com, mxw.mxhichina.com, mxbiz1.qq.com and mxbiz2.qq.com.

Host names pointing to two IP addresses:

mx3.qiye.aliyun.com directs traffic to 47.246.136.231 and 47.246.137.47.

Host names resolving to a single IP address:

mx1.qiye.aliyun.com has the IP address 47.246.137.47.

mx2.qiye.aliyun.com has the IP address 47.246.136.231.

Both mx3.qiye.aliyun.com and mx2.qiye.aliyun.com resolve to 47.246.136.231 IP addresses each.

Both mx3.qiye.aliyun.com and mx1.qiye.aliyun.com resolve to 47.246.137.47 IP addresses each.