`hznetwk.com`

DNSSEC	⚠️ Not signed
NS	`vip3.alidns.com` ⭐
		A	2408:4009:500::3^{🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group}
		A	8.212.93.3^{🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	140.205.1.5^{🇨🇳 Alibaba-Cloud140.205.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	170.33.32.210^{🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.40.136^{🇸🇬 Alibaba_Cloud_SEC170.33.40.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.73.26^{🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.80.10^{🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
NS	`vip4.alidns.com`
		A	2408:4009:500::4^{🇨🇳 Alibaba-Cloud2408:4009:500::/48 Alibaba Group}
		A	8.212.93.4^{🇭🇰 Alibaba_Cloud_SEC8.212.93.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	140.205.1.6^{🇨🇳 Alibaba-Cloud140.205.1.0/24 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	170.33.32.211^{🇸🇬 Alibaba_Cloud_SEC170.33.32.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.40.137^{🇸🇬 Alibaba_Cloud_SEC170.33.40.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.73.27^{🇸🇬 Alibaba_Cloud_SEC170.33.73.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
		A	170.33.80.11^{🇸🇬 Alibaba_Cloud_SEC170.33.80.0/24 Alibaba.com Singapore E-Commerce Private Limited 8 Shenton Way, 45-01 AXA Tower, Singapore 068811}
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`
SOA	`vip3.alidns.com`hostmaster@hichina.com 2023-12-16 #22

`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=1785778592

Subdomains

api.hznetwk.com

Same first word

hznetwk.com

DNS History

9 records (5 active, 4 former)

○NSdns3.hichina.com2026-04-07 → 2026-04-07 · 3 obs

● 2026-04-07 18:17:46
○ 2026-08-03 17:59:18
○ 2026-08-03 17:59:20

○NSdns4.hichina.com2026-04-07 → 2026-04-07 · 3 obs

● 2026-04-07 18:17:46
○ 2026-08-03 17:59:18
○ 2026-08-03 17:59:20

●NSvip3.alidns.com2026-08-03 → 2026-08-03 · 3 obs

○ 2026-04-07 18:17:46
● 2026-08-03 17:59:18
● 2026-08-03 17:59:20

●NSvip4.alidns.com2026-08-03 → 2026-08-03 · 3 obs

○ 2026-04-07 18:17:46
● 2026-08-03 17:59:18
● 2026-08-03 17:59:20

●MXmx1.feishu.cn2026-07-10 → 2026-08-03 · 3 obs

○ 2026-04-07 18:17:46
● 2026-07-10 02:43:24
● 2026-08-03 17:59:20

●MXmx2.feishu.cn2026-07-10 → 2026-08-03 · 3 obs

○ 2026-04-07 18:17:46
● 2026-07-10 02:43:24
● 2026-08-03 17:59:20

●MXmx3.feishu.cn2026-07-10 → 2026-08-03 · 3 obs

○ 2026-04-07 18:17:46
● 2026-07-10 02:43:24
● 2026-08-03 17:59:20

○MXmxbiz1.qq.com2026-04-07 → 2026-04-07 · 3 obs

● 2026-04-07 18:17:46
○ 2026-07-10 02:43:24
○ 2026-08-03 17:59:20

○MXmxbiz2.qq.com2026-04-07 → 2026-04-07 · 3 obs

● 2026-04-07 18:17:46
○ 2026-07-10 02:43:24
○ 2026-08-03 17:59:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
hznetwk.com	vip3.alidns.com, vip4.alidns.com	22 records

✅ Authoritative Response

Server:121.40.6.163

NS records: vip3.alidns.com, vip4.alidns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hznetwk.com (unsigned zone)

⏱️ Timing

Total: 499ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`vip3.alidns.com, vip4.alidns.com`
MX	3	`mx1.feishu.cn (pri: 1), mx2.feishu.cn (pri: 5)...`
TXT	1	`v=spf1 +include:_netblocks.m.feishu.cn -`
SOA	1	`vip3.alidns.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 22

Out-of-bailiwick: 22 (vip3.alidns.com, vip3.alidns.com, vip3.alidns.com...)

Analysis

Hierarchy

api.hznetwk.com is a subdomain of hznetwk.com.

Name Servers

hznetwk.com is served by two delegated name servers, vip3.alidns.com and vip4.alidns.com.

The name server configuration of hznetwk.com is shared with other domains, for instance xyuqing.com, yuwantech.com, gdte.org.cn and two others.

hznetwk.com shares at least some of its name servers with domains including ckflv-cdn-hk.sbs, zxzhijia.com and xingqiu520.com

Hosts with 7 IP addresses each:

vip3.alidns.com carries IP addresses 8.212.93.3, 140.205.1.5 and 170.33.32.210, with 4 other addresses beyond those.

vip4.alidns.com carries IP addresses 8.212.93.4, 140.205.1.6 and 170.33.32.211, with 4 other addresses beyond those.

Mail Servers

Mail for hznetwk.com is routed through three mail servers — mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

At least some of the mail servers used by hznetwk.com are shared with other domains: cydiance.com, liuweitang.com, maidelong.com and two others among them.

Host names carrying three IP numbers:

mx3.feishu.cn resolves to three addresses: 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Host names pointing to two IP addresses:

mx2.feishu.cn maps to two IP addresses — 101.126.58.225 and 122.14.229.0.

Host names resolving to a single IP address:

mx1.feishu.cn points to the IP address 52.220.106.220.

These two host names — mx3.feishu.cn and mx1.feishu.cn — each point to 52.220.106.220 IP addresses.

These two host names — mx3.feishu.cn and mx2.feishu.cn — each point to 101.126.58.225 IP addresses.

These two host names — mx3.feishu.cn and mx2.feishu.cn — each point to 122.14.229.0 IP addresses.

hznetwk.com - robtex.com

hznetwk.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

Name Servers

Mail Servers

`hznetwk.com`

`com`