`qdcu.com`

	CNAME	`qdcu-com.cname.saaswaf.com`
	CNAME	`a004.cache.saaswaf.com`
	CNAME	`a004.cache.dbappwaf.cn`
	DNSSEC	⚠️ Not signed
	A	101.69.122.166^{🇨🇳 CHINA169-Backbone101.69.0.0/16 route of Chinaunicom}
	A	101.69.122.167^{🇨🇳 CHINA169-Backbone101.69.0.0/16 route of Chinaunicom}
	A	101.206.185.116^{🇨🇳 CHINA169-Backbone101.204.0.0/14 China Unicom Sichuan Province Network}
	A	101.206.185.117^{🇨🇳 CHINA169-Backbone101.204.0.0/14 China Unicom Sichuan Province Network}
	A	110.249.209.200^{🇨🇳 CHINA169-Backbone110.240.0.0/12 China Unicom Hebei Province Network}
	A	110.249.209.201^{🇨🇳 CHINA169-Backbone110.240.0.0/12 China Unicom Hebei Province Network}
	A	115.231.227.166^{🇨🇳 CT-HangZhou-IDC115.231.227.0/24 Chinanet-HangZhou-IDC}
	A	115.231.227.167^{🇨🇳 CT-HangZhou-IDC115.231.227.0/24 Chinanet-HangZhou-IDC}
	A	116.211.138.208^{🇨🇳 CHINATELECOM-Hubei-IDC116.211.136.0/22 chinanet/163 hubei province network}
	A	116.211.138.209^{🇨🇳 CHINATELECOM-Hubei-IDC116.211.136.0/22 chinanet/163 hubei province network}
	A	120.192.84.244^{🇨🇳 CMNET-V4shandong-AS-AP120.192.80.0/20 CMI (Customer Route)}
	A	120.192.84.245^{🇨🇳 CMNET-V4shandong-AS-AP120.192.80.0/20 CMI (Customer Route)}
	A	183.47.237.10^{🇨🇳 CHINANET-BACKBONE183.0.0.0/10 Mega-II IDC}
	A	183.47.237.11^{🇨🇳 CHINANET-BACKBONE183.0.0.0/10 Mega-II IDC}
	A	222.186.168.162^{🇨🇳 CHINANET-BACKBONE222.184.0.0/13 for jiangsu province}
	A	222.186.168.163^{🇨🇳 CHINANET-BACKBONE222.184.0.0/13 for jiangsu province}

`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=1771291435

Similar names

ucdq.com

cqdu.cn

uqdc.cn

dquc.net

uqdc.com

cdqu.com

qduc.com.cn

DNS History

5 records (3 active, 2 former)

○NSns.sdjnptt.net.cn2015-09-11 → 2017-05-07 · 5 obs

○ 2015-07-15 07:02:18
● 2015-09-11 13:13:08
● 2017-05-07 22:50:28
○ 2026-03-17 07:11:14
○ 2026-03-17 07:11:18

○NSns1.sdqdptt.net.cn2015-07-15 → 2017-05-07 · 4 obs

● 2015-07-15 07:02:18
● 2017-05-07 22:50:28
○ 2026-03-17 07:11:14
○ 2026-03-17 07:11:18

●NSns11.xincache.com2026-03-17 → 2026-03-17 · 3 obs

○ 2017-05-07 22:50:28
● 2026-03-17 07:11:14
● 2026-03-17 07:11:18

●NSns12.xincache.com2026-03-17 → 2026-03-17 · 3 obs

○ 2017-05-07 22:50:28
● 2026-03-17 07:11:14
● 2026-03-17 07:11:18

●CNAMEqdcu-com.cname.saaswaf.com2026-03-17 → 2026-03-17 · 2 obs

● 2026-03-17 07:11:14
● 2026-03-17 07:11:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
qdcu.com	ns11.xincache.com, ns12.xincache.com	12 records

✅ Authoritative Response

Server: 1.12.0.4

NS records: ns11.xincache.com, ns12.xincache.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for qdcu.com (unsigned zone)

⏱️ Timing

Total: 720ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns12.xincache.com, ns11.xincache.com`
CNAME	1	`qdcu-com.cname.saaswaf.com`
SOA	1	`ns11.xincache.com ns12.xincache.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ns11.xincache.com, ns11.xincache.com, ns11.xincache.com...)

Analysis

IP Addresses

qdcu.com points to sixteen IP numbers that increase by 3: 101.69.122.166, 101.69.122.167, 101.206.185.116, 101.206.185.117, 110.249.209.200, 110.249.209.201, 115.231.227.166, 115.231.227.167, 116.211.138.208, 116.211.138.209, 120.192.84.244, 120.192.84.245, 183.47.237.10, 183.47.237.11, 222.186.168.162 and 222.186.168.163.

Other host names such as www.ay.gov.cn.v6lvs.com, www.ningdu.gov.cn.v6lvs.com, a005v6.cache.dbappwaf.cn, ningbo-ipv6.cache.saaswaf.com and taiangov.cache.dbappwaf.cn share IPs with qdcu.com.

qdcu.com - robtex.com

qdcu.com

com