`cos1js.top`

DNSSEC	⚠️ Not signed
NS	`ns7.alidns.com` ⭐
		A	2408:4009:501::3^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.47^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.57^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.207^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.217^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.47^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.57^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.117^{🇨🇳 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	139.224.142.127^{🇨🇳 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	`ns8.alidns.com`
		A	2408:4009:501::4^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.48^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.58^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.208^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.218^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.48^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.58^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.101^{🇨🇳 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	139.224.142.118^{🇨🇳 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	`ns7.alidns.com`hostmaster@hichina.com 2026-01-09 #13

`top`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.zdnscloud.com` ⭐
	NS	`a.zdnscloud.cn`
	NS	`b.zdnscloud.cn`
	NS	`c.zdnscloud.com`
	NS	`d.zdnscloud.com`
	NS	`f.zdnscloud.cn`
	NS	`g.zdnscloud.com`
	NS	`i.zdnscloud.cn`
	NS	`j.zdnscloud.com`
	TXT	`2026-04-01_02:20:01`
	SOA	`a.zdnscloud.com`td_dns_gtld@knet.cn serial=1395414368

Same first word

cos1js.top

DNS History

2 records (2 active, 0 former)

●NSns7.alidns.com2026-03-08 → 2026-03-31 · 2 obs

● 2026-03-08 00:59:42
● 2026-03-31 18:41:08

●NSns8.alidns.com2026-03-08 → 2026-03-31 · 2 obs

● 2026-03-08 00:59:42
● 2026-03-31 18:41:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
top	a.zdnscloud.cn, b.zdnscloud.cn, c.zdnscloud.com, d.zdnscloud.com...	-
cos1js.top	ns7.alidns.com, ns8.alidns.com	-

✅ Authoritative Response

Server:139.224.142.117

NS records: ns7.alidns.com, ns8.alidns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cos1js.top (unsigned zone)

⏱️ Timing

Total: 1058ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns8.alidns.com, ns7.alidns.com`
SOA	1	`ns7.alidns.com hostmaster.hichina.com`

Analysis

Name Servers

Two name servers ns7.alidns.com and ns8.alidns.com handle the delegation for cos1js.top.

cos1js.top shares the same name server setup as other domains, for example bb8750159a20d8eb.com, zyxxzs.cn, 78tw.net, mrtw.net and gsk802040hh.com.

cos1js.top at least partially shares name servers with other domains, for example chnedu.org, omme.us, csgx.org, nvtwus.com and importworkwear.com.

These name servers are often used with the following name servers: expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com, ns2.alidns.com, dns29.hichina.com, dns30.hichina.com, vip7.alidns.com and vip8.alidns.com.

Host names with nine IP numbers: ns7.alidns.com points to: 2408:4009:501::3, 39.96.153.47, 39.96.153.57, 47.118.199.207, 47.118.199.217, 120.76.107.47, 120.76.107.57, 139.224.142.117 and 139.224.142.127; ns8.alidns.com points to: 2408:4009:501::4, 39.96.153.48, 39.96.153.58, 47.118.199.208, 47.118.199.218, 120.76.107.48, 120.76.107.58, 139.224.142.101 and 139.224.142.118.

cos1js.top - robtex.com

cos1js.top

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