`co-ei.cn`

DNSSEC	⚠️ Not signed
NS	`dns31.hichina.com` ⭐
		A	2408:4009:501::39^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 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	139.224.142.109^{🇨🇳 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	`dns32.hichina.com`
		A	2408:4009:501::40^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 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	139.224.142.107^{🇨🇳 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	`dns31.hichina.com`hostmaster@hichina.com 2026-01-27 #16

`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=2034787734

⚠️ On DNS blocklist: tif

Subdomains

ee.co-ei.cn

Same first word

co-ei.cn

Similar names

eic-o.com

eco-i.de

i-ceo.com

eco-i.or.kr

ce-io.com

i-eco.co.jp

eco-i.com

e-ico.org

eco-i.co.uk

eco-i.ru

cie-o.com

c-oei.com

i-eco.com

eco-i.info

e-cio.com

i-eco.cn

ceo-i.com

o-ice.com

DNS History

2 records (2 active, 0 former)

●NSdns31.hichina.com2026-05-04 → 2026-05-13 · 2 obs

● 2026-05-04 12:31:34
● 2026-05-13 15:52:30

●NSdns32.hichina.com2026-05-04 → 2026-05-13 · 2 obs

● 2026-05-04 12:31:34
● 2026-05-13 15:52:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	d.dns.cn, c.dns.cn, a.dns.cn, b.dns.cn...	-
co-ei.cn	dns31.hichina.com, dns32.hichina.com	-

✅ Authoritative Response

Server:47.118.199.199

NS records: dns31.hichina.com, dns32.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for co-ei.cn (unsigned zone)

⏱️ Timing

Total: 4882ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns31.hichina.com, dns32.hichina.com`
SOA	1	`dns31.hichina.com hostmaster.hichina.com`

Analysis

Hierarchy

co-ei.cn is a parent of ee.co-ei.cn.

Name Servers

co-ei.cn is delegated to two name servers: dns31.hichina.com and dns32.hichina.com.

co-ei.cn uses the same name server setup as other domains, including astroshop.com.cn, 968188.com, nekm.net, spwluu.cn and qhing.cn.

At least part of the name servers for co-ei.cn are shared with other domains, for instance dsor.cn, jingyitesting.com, zanyun-inc.com, dingerp.com and toprch.com.

These name servers are commonly used with expirens3.hichina.com, expirens4.hichina.com, dns10.hichina.com and dns9.hichina.com.

Host names with nine IP numbers:

dns31.hichina.com points to: 2408:4009:501::39, 39.96.153.39, 39.96.153.59, 47.118.199.199, 47.118.199.219, 120.76.107.39, 120.76.107.59, 139.224.142.99 and 139.224.142.109.

dns32.hichina.com points to: 2408:4009:501::40, 39.96.153.37, 39.96.153.62, 47.118.199.197, 47.118.199.221, 120.76.107.37, 120.76.107.62, 139.224.142.102 and 139.224.142.107.

co-ei.cn - robtex.com

co-ei.cn

cn