`91.baidu.com`

DNSSEC	⚠️ Not signed
MX	`mx.maillb.baidu.com` ⭐
		A	104.193.89.228^{🇺🇸 BAIDU-1104.193.89.0/24 BAIDU-AS}
			PTR	`usmx03.baidu.com`
		A	111.202.115.85^{🇨🇳 CHINA169-BJ111.202.64.0/18 CMI (Customer Route)}
			PTR	`mx20.baidu.com`
		A	111.206.215.185^{🇨🇳 CHINA169-BJ111.206.192.0/18 CMI (Customer Route)}
			PTR	`mx24.baidu.com`
		A	119.63.196.201^{🇯🇵 BAIDUJP119.63.196.0/24}
			PTR	`jpmx.baidu.com`
		A	180.76.5.236^{🇨🇳 BAIDU-1180.76.5.0/24 Baidu}
			PTR	`outbound.baidu.com`
		A	180.76.13.18^{🇨🇳 BAIDU-1180.76.0.0/20 Proxy-registered route object}
			PTR	`mx50.baidu.com`
		A	220.181.3.85^{🇨🇳 CHINA-1220.181.0.0/19 China Telecom Beijing Co. Ltd.}
			PTR	`mx21.baidu.com`
		A	220.181.50.185^{🇨🇳 CHINA-1220.181.32.0/19 China Telecom Beijing Co. Ltd.}
			PTR	`mx22.baidu.com`
MX	`mx.n.shifen.com`⁽¹⁵⁾

`baidu.com`

	DNSSEC	⚠️ Not signed
	A	110.242.74.102^{🇨🇳 CHINA169-Backbone110.240.0.0/12 China Unicom Hebei Province Network}
	A	111.63.65.103^{🇨🇳 CMNET-V4HEBEI-AS-AP111.63.64.0/20 CMI (Customer Route)}
	A	111.63.65.247^{🇨🇳 CMNET-V4HEBEI-AS-AP111.63.64.0/20 CMI (Customer Route)}
	A	124.237.177.164^{🇨🇳 CHINANET-BACKBONE124.236.0.0/14 CMI (Customer Route)}
	NS	`dns.baidu.com` ⭐ ⚠️ Not in parent delegation
	NS	`ns1.baidu.com` ⚠️ Not in zone NS records
	NS	`ns2.baidu.com`
	NS	`ns3.baidu.com`
	NS	`ns4.baidu.com`
	NS	`ns7.baidu.com`
	MX	`mx.maillb.baidu.com` ⭐
	MX	`mx.baidu.com`⁽²⁰⁾
	TXT	`v=spf1 include:spf1.baidu.com include:spf2.baidu.com include:spf3.baidu.com i...`
	TXT	`9279nznttl321bxp1j464rd9vpps246v`
	TXT	`google-site-verification=GHb98-6msqyx_qqjGl5eRatD3QTHyVB6-xQ3gJB5UwM`
	TXT	`_globalsign-domain-verification=qjb28W2jJSrWj04NHpB0CvgK9tle5JkOq-EcyWBgnE`
	SOA	`dns.baidu.com`sa@baidu.com serial=2012150992

WOT: SAFE (72/100)
rank #70 globally
rank #47 in the tld
This domain, "baidu.com", is the primary domain name for Baidu, a Chinese multinational technology company. Baidu is one of the largest AI and internet service companies in the world, specializing in artificial intelligence and internet-related services and products. It is known as China's equivalent to Google, offering similar services like a search engine, web services, and cloud storage.Semrush Rank:#435 Keywords:1,635,781 Traffic:6,462,906/mo
WOT: SAFE (87/100)
📈 Tranco rank: #86

Baidu is China's largest search engine, founded in 2000 by Robin Li. With over 600 million monthly active users, Baidu dominates Chinese search with approximately 70% market share. The company is also a leader in AI and autonomous vehicles through its Apollo project.

Beyond search, Baidu operates iQiyi (video streaming), Baidu Maps, Baidu Cloud, and numerous AI-powered services. The company has developed its own LLM (Ernie Bot) to compete with ChatGPT in China.

Baidu's infrastructure is entirely based in China due to regulatory requirements, with massive data centers supporting search indexing, AI training, and cloud services.

DNS for baidu.com uses Baidu's own DNS infrastructure with servers distributed across China. The domain is optimized for Chinese users.

Same first word

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DNS History

2 records (2 active, 0 former)

●MXmx.maillb.baidu.com2026-04-13 → 2026-05-14 · 2 obs

● 2026-04-13 02:23:54
● 2026-05-14 16:08:52

●MXmx.n.shifen.com2026-04-13 → 2026-05-14 · 2 obs

● 2026-04-13 02:23:54
● 2026-05-14 16:08:52

🔍 DNS Trace

Analysis

Mail Servers

91.baidu.com is handled by two mail servers: mx.maillb.baidu.com and mx.n.shifen.com.

91.baidu.com shares the same mail server setup as other domains, such as baidu.cn, vplay8.com and shanghaixiaodu.com.

The mail servers for 91.baidu.com are shared with other domains, for instance ac.baidu.com, cd.baidu.com, cook6us.com, sz.baidu.com and app111.com.

These mail servers are commonly used alongside mx.baidu.com and inbound-smtp.us-west-2.amazonaws.com.

Host name with eight IP numbers:

The host name mx.maillb.baidu.com points to 104.193.89.228, 111.202.115.85, 111.206.215.185, 119.63.196.201, 180.76.5.236, 180.76.13.18, 220.181.3.85 and 220.181.50.185.

91.baidu.com - robtex.com

91.baidu.com

baidu.com