`qdzcu.com`

DNSSEC	⚠️ Not signed
NS	`ns1.alidns.com` ⭐
		A	2408:4009:501::1^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.45^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.55^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.205^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.215^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.45^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.55^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.115^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.125^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`ns2.alidns.com`
		A	2408:4009:501::2^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.46^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.56^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.206^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.216^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.46^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.56^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.116^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.126^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
SOA	`ns1.alidns.com`hostmaster@hichina.com 2026-01-12 #9

`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=1774828997

📈 Tranco rank: #318,289

Subdomains

xi.qdzcu.com

Same first word

qdzcu.com

DNS History

2 records (2 active, 0 former)

●NSns1.alidns.com2026-02-23 → 2026-03-30 · 2 obs

● 2026-02-23 03:26:08
● 2026-03-30 00:07:46

●NSns2.alidns.com2026-02-23 → 2026-03-30 · 2 obs

● 2026-02-23 03:26:08
● 2026-03-30 00:07:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net...	-
qdzcu.com	ns1.alidns.com, ns2.alidns.com	18 records

✅ Authoritative Response

Server:139.224.142.115

NS records: ns1.alidns.com, ns2.alidns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qdzcu.com (unsigned zone)

⏱️ Timing

Total: 3637ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns2.alidns.com, ns1.alidns.com`
SOA	1	`ns1.alidns.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (ns1.alidns.com, ns1.alidns.com, ns1.alidns.com...)

Analysis

Hierarchy

qdzcu.com is the parent of xi.qdzcu.com.

Name Servers

qdzcu.com is delegated to two name servers: ns1.alidns.com and ns2.alidns.com.

qdzcu.com shares the same name server setup as other domains, for example www145.com, scstyt.com, zheng-xin.org, ynzs.com and mbook.cc.

qdzcu.com at least partially shares name servers with other domains, for instance sumraypower.com, eggy.cn, aic-eg.com, 54782.com and pad17.com.

These name servers are commonly used with ns7.alidns.com, ns8.alidns.com, dns23.hichina.com and dns24.hichina.com.

Host names with nine IP numbers:

ns1.alidns.com points to: 2408:4009:501::1, 39.96.153.45, 39.96.153.55, 47.118.199.205, 47.118.199.215, 120.76.107.45, 120.76.107.55, 139.224.142.115 and 139.224.142.125.

ns2.alidns.com points to: 2408:4009:501::2, 39.96.153.46, 39.96.153.56, 47.118.199.206, 47.118.199.216, 120.76.107.46, 120.76.107.56, 139.224.142.116 and 139.224.142.126.

qdzcu.com - robtex.com

qdzcu.com

com