`cdn-qa.cn`

DNSSEC	⚠️ Not signed
NS	`ns1.bdydns.cn` ⭐
		A	240e:940:603:3:0:ff:b05b:137e^{🇨🇳 CHINANET-BACKBONE240e:940::/32 China Telecom (Hebei) Limited}
		A	180.97.36.63^{🇨🇳 ChinaNet-NANJING-JISHAN-IDC180.97.36.0/24 JS-CT NJ-JS-IDC}
		A	183.232.231.249^{🇨🇳 CMNET-GuangDong-AP183.232.231.0/24 CMI (Customer Route)}
NS	`ns2.bdydns.cn`
		A	240e:940:603:5:0:ff:b0cf:479b^{🇨🇳 CHINANET-BACKBONE240e:940::/32 China Telecom (Hebei) Limited}
		A	14.215.177.154^{🇨🇳 CHINANET-BACKBONE14.208.0.0/12 China Telecom Network}
		A	112.80.248.202^{🇨🇳 CHINA169-Backbone112.80.0.0/13 China Unicom CHINA169 Jiangsu Province Network}
		A	119.75.222.53^{🇨🇳 Baidu119.75.222.0/24}
SOA	`ns1.bdydns.cn`sa@dudns.com 2018-08-21 #62

`cn`

	DNSSEC	🔒 Signed (DS record present)
	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=2034712138

Same first word

cdn-qa.cn

DNS History

2 records (2 active, 0 former)

●NSns1.bdydns.cn2017-07-06 → 2026-04-25 · 2 obs

● 2017-07-06 09:04:32
● 2026-04-25 21:48:56

●NSns2.bdydns.cn2017-07-06 → 2026-04-25 · 2 obs

● 2017-07-06 09:04:32
● 2026-04-25 21:48:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...	-
cdn-qa.cn	ns1.bdydns.cn, ns2.bdydns.cn	4 records

✅ Authoritative Response

Server:112.80.248.202

NS records: ns1.bdydns.cn, ns2.bdydns.cn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cdn-qa.cn (unsigned zone)

⏱️ Timing

Total: 1138ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns2.bdydns.cn, ns1.bdydns.cn`
SOA	1	`ns1.bdydns.cn sa.dudns.com`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.bdydns.cn, ns2.bdydns.cn, ns2.bdydns.cn...)

Analysis

Name Servers

cdn-qa.cn is delegated to two name servers ns1.bdydns.cn and ns2.bdydns.cn.

cdn-qa.cn shares the same name server setup as other domains, for instance taiseikogyo.com.cn, sunbest-tech.com, bonc-gz.com.cn, asd-fixture.com and xn--ohqrfo4l.com.

Host names with four IP numbers: The host name ns2.bdydns.cn points to 240e:940:603:5:0:ff:b0cf:479b, 14.215.177.154, 112.80.248.202 and 119.75.222.53.

Host names with three IP numbers: The host name ns1.bdydns.cn points to 240e:940:603:3:0:ff:b05b:137e, 180.97.36.63 and 183.232.231.249.

cdn-qa.cn - robtex.com

cdn-qa.cn

cn