`m.jsspeed.cn`

	DNSSEC	⚠️ Not signed
	A	121.89.161.40^{🇨🇳 Alibaba-Cloud121.89.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}

`jsspeed.cn`

	DNSSEC	⚠️ Not signed
	A	121.89.161.40^{🇨🇳 Alibaba-Cloud121.89.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
	NS	`dns27.hichina.com` ⭐
	NS	`dns28.hichina.com`
	MX	`mxbiz1.qq.com` ⭐
	MX	`mxbiz2.qq.com`⁽¹⁰⁾
	SOA	`dns27.hichina.com`hostmaster@hichina.com 2026-01-12 #9

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DNS History

1 record (1 active, 0 former)

●A121.89.161.402026-04-15 → 2026-05-01 · 2 obs

● 2026-04-15 06:57:18
● 2026-05-01 23:24:30

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:47.118.199.219

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: 4310ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`121.89.161.40`

Analysis

IP Addresses

m.jsspeed.cn points to IP number: 121.89.161.40.

Other host names, for instance jsspeed.cn share IP numbers with m.jsspeed.cn.

m.jsspeed.cn - robtex.com

m.jsspeed.cn

jsspeed.cn