`backdoors.cn`

DNSSEC	⚠️ Not signed
A	121.41.12.118^{🇨🇳 Alibaba-Cloud121.40.0.0/15}
NS	`dns27.hichina.com` ⭐
		A	2408:4009:501::35^{🇨🇳 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	`dns28.hichina.com`
		A	2408:4009:501::36^{🇨🇳 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	`dns27.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=2034712858

Same first word

backdoors.net

backdoors.com.cn

backdoors.cn

backdoors.to

backdoors.de

Similar names

brookscad.com

DNS History

3 records (3 active, 0 former)

●NSdns27.hichina.com2020-04-10 → 2026-04-26 · 2 obs

● 2020-04-10 04:18:48
● 2026-04-26 02:29:00

●NSdns28.hichina.com2020-04-10 → 2026-04-26 · 2 obs

● 2020-04-10 04:18:48
● 2026-04-26 02:29:00

●A121.41.12.1182026-04-14 → 2026-04-26 · 2 obs

● 2026-04-14 00:31:16
● 2026-04-26 02:29:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cn	e.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...	-
backdoors.cn	dns27.hichina.com, dns28.hichina.com	-

✅ Authoritative Response

Server:139.224.142.99

NS records: dns27.hichina.com, dns28.hichina.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn

⏱️ Timing

Total: 4283ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.41.12.118`
NS	2	`dns27.hichina.com, dns28.hichina.com`
SOA	1	`dns27.hichina.com hostmaster.hichina.com`

Analysis

IP Addresses

backdoors.cn points to IP number: 121.41.12.118.

Other host names, for instance backdoors.com.cn share IP numbers with backdoors.cn.

Name Servers

backdoors.cn is delegated to two name servers: dns27.hichina.com and dns28.hichina.com.

backdoors.cn shares the same name server setup as nbsd17.com, gaozhiyou.com, bellt.net, guiche.com and slhj.cn.

backdoors.cn at least partially shares name servers with other domains, for instance litaitait.top, kkyar.com, ndva.cn, 04zh.com and lclnax.cn.

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

Nine IP numbers per host:

dns27.hichina.com points to: 2408:4009:501::35, 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.

dns28.hichina.com points to: 2408:4009:501::36, 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.

backdoors.cn - robtex.com

backdoors.cn

cn