`cosdnsresolve.com.cn`

DNSSEC	⚠️ Not signed
A	0.0.0.1
NS	`ns-open3.qq.com.;ns-open2.qq.com.;ns-open1.qq.com` ⭐
NS	`ns-open1.qq.com` ⚠️ Not in zone NS records
		A	2402:4e00:111:ffe::3^{🇨🇳 TENCENT-NET-AP2402:4e00::/35}
		A	43.129.131.155^{🇸🇬 TENCENT-NET-AP-CN43.129.128.0/20}
		A	43.134.249.20^{🇸🇬 TENCENT-NET-AP-CN43.134.224.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.134.249.21^{🇸🇬 TENCENT-NET-AP-CN43.134.224.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.161.3.23^{🇮🇳 TENCENT-NET-AP-CN43.161.0.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.161.3.24^{🇮🇳 TENCENT-NET-AP-CN43.161.0.0/18 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	117.135.174.196^{🇨🇳 CHINAMOBILE-CN117.135.172.0/22 CMI (Customer Route)}
			PTR	`(root)`
		A	183.60.116.3^{🇨🇳 CHINANET-BACKBONE183.0.0.0/10 Mega-II IDC}
NS	`ns-open2.qq.com` ⚠️ Not in zone NS records
		A	240e:e1:aa00:2001::3^{🇨🇳 SHANGHAITELECOM240e:e1:a000::/36 SHIDC}
		A	42.187.235.3^{🇨🇳 TENCENT-NET-AP42.187.192.0/18 chinanet/CN2 TianJin province network}
		A	43.130.172.21^{🇸🇬 TENCENT-NET-AP-CN43.130.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.159.167.8^{🇺🇸 TENCENT-NET-AP-CN43.159.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.159.167.130^{🇺🇸 TENCENT-NET-AP-CN43.159.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	43.159.167.131^{🇺🇸 TENCENT-NET-AP-CN43.159.160.0/19 ACEVILLE PTE.LTD. 16 COLLYER QUAY 18-29 INCOME AT RAFFLES}
		A	61.241.27.10^{🇨🇳 UNICOM-ShenZhen-IDC61.241.27.0/24}
NS	`ns-open3.qq.com` ⚠️ Not in zone NS records
SOA	`ns-open3.qq.com.;ns-open2.qq.com.;ns-open1.qq.com`messiliu@tencent@com serial=1773369937

`com.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=2030540360

WOT: NOT_SAFE (20/100)

Same first word

cosdnsresolve.com

cosdnsresolve.cn

cosdnsresolve.com.cn

DNS History

5 records (5 active, 0 former)

●NSns-open1.qq.com2026-03-26 → 2026-04-29 · 2 obs

● 2026-03-26 17:02:32
● 2026-04-29 05:12:00

●NSns-open2.qq.com2026-03-26 → 2026-04-29 · 2 obs

● 2026-03-26 17:02:32
● 2026-04-29 05:12:00

●NSns-open3.qq.com2026-03-26 → 2026-04-29 · 2 obs

● 2026-03-26 17:02:32
● 2026-04-29 05:12:00

●NSns-open3.qq.com.;ns-open2.qq.com.;ns-open1.qq.com2026-03-26 → 2026-04-29 · 2 obs

● 2026-03-26 17:02:32
● 2026-04-29 05:12:00

●A0.0.0.12026-03-26 → 2026-04-29 · 5 obs

● 2026-03-26 17:02:32
● 2026-04-12 04:48:42
○ 2026-04-12 15:25:06
● 2026-04-26 17:00:14
● 2026-04-29 05:12:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	a.dns.cn, c.dns.cn, e.dns.cn, d.dns.cn...	-
cosdnsresolve.com.cn	ns-open1.qq.com, ns-open2.qq.com, ns-open3.qq.com	-

✅ Authoritative Response

Server:43.134.249.20

NS records: ns-open1.qq.com, ns-open2.qq.com, ns-open3.qq.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cosdnsresolve.com.cn (unsigned zone)

⏱️ Timing

Total: 2162ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`0.0.0.1`
SOA	1	`ns-open3.qq.com.;ns-open2.qq.com.;ns-ope`

Analysis

IP Addresses

cosdnsresolve.com.cn points to a single IP address: 0.0.0.1.

Other host names such as tcdnlive.com, in-addr-84-83-237.fixed.kpn.net, tencentgy.com, cd-ctfs.ftn.qq.com and www.thecss.cn share IP numbers with cosdnsresolve.com.cn.

Name Servers

cosdnsresolve.com.cn is delegated to four name servers: ns-open1.qq.com, ns-open2.qq.com, ns-open3.qq.com and ns-open3.qq.com.;ns-open2.qq.com.;ns-open1.qq.com.

At least part of the name servers for cosdnsresolve.com.cn are shared with other domains, for instance tencentcnapigw.com.cn, cross-zone.com, tgovcloud.com, iwiki.com and tendef.com.

These name servers are often used together with ns-tel1.qq.com, ns-open1.qq.com.;ns-open2.qq.com.;ns-open3.qq.com and julian.dnspod.net.;linen.dnspod.net.

Host names with eight IP numbers: ns-open1.qq.com points to 2402:4e00:111:ffe::3, 43.129.131.155, 43.134.249.20, 43.134.249.21, 43.161.3.23, 43.161.3.24, 117.135.174.196 and 183.60.116.3. Host names with seven IP numbers: ns-open2.qq.com points to 240e:e1:aa00:2001::3, 42.187.235.3, 43.130.172.21, 43.159.167.8, 43.159.167.130, 43.159.167.131 and 61.241.27.10.

cosdnsresolve.com.cn - robtex.com