ac.baidu.com - robtex.com

ac.baidu.com

DNSSEC⚠️ Not signed
A180.97.104.203🇨🇳 CHINATELECOM-JIANGSU-NANJING-IDC180.97.104.0/21 CTJS NJ-IDC
MXmx.maillb.baidu.com ⭐
A104.193.89.228🇺🇸 BAIDU-1104.193.89.0/24 BAIDU-AS
PTRusmx03.baidu.com
A111.202.115.85🇨🇳 CHINA169-BJ111.202.64.0/18 CMI (Customer Route)
PTRmx20.baidu.com
A111.206.215.185🇨🇳 CHINA169-BJ111.206.192.0/18 CMI (Customer Route)
PTRmx24.baidu.com
A119.63.196.201🇯🇵 BAIDUJP119.63.196.0/24
PTRjpmx.baidu.com
A180.76.5.236🇨🇳 BAIDU-1180.76.5.0/24 Baidu
PTRoutbound.baidu.com
A180.76.13.18🇨🇳 BAIDU-1180.76.0.0/20 Proxy-registered route object
PTRmx50.baidu.com
A220.181.3.85🇨🇳 CHINA-1220.181.0.0/19 China Telecom Beijing Co. Ltd.
PTRmx21.baidu.com
A220.181.50.185🇨🇳 CHINA-1220.181.32.0/19 China Telecom Beijing Co. Ltd.
PTRmx22.baidu.com
MXmx.baidu.com(20)
A104.193.89.227🇺🇸 BAIDU-1104.193.89.0/24 BAIDU-AS
PTRusmx02.baidu.com
A104.193.89.228🇺🇸 BAIDU-1104.193.89.0/24 BAIDU-AS
PTRusmx03.baidu.com
A111.202.115.85🇨🇳 CHINA169-BJ111.202.64.0/18 CMI (Customer Route)
PTRmx20.baidu.com
A111.206.215.185🇨🇳 CHINA169-BJ111.206.192.0/18 CMI (Customer Route)
PTRmx24.baidu.com
A180.76.5.236🇨🇳 BAIDU-1180.76.5.0/24 Baidu
PTRoutbound.baidu.com
A220.181.3.85🇨🇳 CHINA-1220.181.0.0/19 China Telecom Beijing Co. Ltd.
PTRmx21.baidu.com
A220.181.50.185🇨🇳 CHINA-1220.181.32.0/19 China Telecom Beijing Co. Ltd.
PTRmx22.baidu.com
TXTv=spf1 include:spf1.baidu.com include:spf2.baidu.com include:spf3.baidu.com -all

baidu.com

DNSSEC⚠️ Not signed
A110.242.74.102🇨🇳 CHINA169-Backbone110.240.0.0/12 China Unicom Hebei Province Network
A111.63.65.103🇨🇳 CMNET-V4HEBEI-AS-AP111.63.64.0/20 CMI (Customer Route)
A111.63.65.247🇨🇳 CMNET-V4HEBEI-AS-AP111.63.64.0/20 CMI (Customer Route)
A124.237.177.164🇨🇳 CHINANET-BACKBONE124.236.0.0/14 CMI (Customer Route)
NSdns.baidu.com ⭐ ⚠️ Not in parent delegation
NSns1.baidu.com ⚠️ Not in zone NS records
NSns2.baidu.com
NSns3.baidu.com
NSns4.baidu.com
NSns7.baidu.com
MXmx.maillb.baidu.com ⭐
MXmx.baidu.com(20)
TXT_globalsign-domain-verification=qjb28W2jJSrWj04NHpB0CvgK9tle5JkOq-EcyWBgnE
TXT9279nznttl321bxp1j464rd9vpps246v
TXTgoogle-site-verification=GHb98-6msqyx_qqjGl5eRatD3QTHyVB6-xQ3gJB5UwM
TXTv=spf1 include:spf1.baidu.com include:spf2.baidu.com include:spf3.baidu.com i...
SOAdns.baidu.comsa@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.com - Tranco Rank (30d: ↓-2)8384858687Apr 5Apr 14Apr 23May 2May 11May 13Rank#84#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

4 records (3 active, 1 former)

20192020202120222023202420252026MXmx.baidu.commx.maillb.baidu.comA180.97.104.203CNAMEac.n.shifen.com
●MXmx.baidu.com2026-04-13 → 2026-05-15 · 2 obs
● 2026-04-13 02:23:54
● 2026-05-15 02:51:02
●MXmx.maillb.baidu.com2026-04-13 → 2026-05-15 · 2 obs
● 2026-04-13 02:23:54
● 2026-05-15 02:51:02
●A180.97.104.2032026-04-13 → 2026-05-15 · 2 obs
● 2026-04-13 02:23:54
● 2026-05-15 02:51:02
○CNAMEac.n.shifen.com2018-05-22 → 2018-05-22 · 3 obs
● 2018-05-22 04:08:24
○ 2026-04-13 02:23:54
○ 2026-05-15 02:51:02

🔍 DNS Trace

Analysis

IP Addresses

ac.baidu.com resolves to one IP number: 180.97.104.203.

Mail Servers

Two mail servers handle ac.baidu.com: mx.baidu.com and mx.maillb.baidu.com.

ac.baidu.com shares the same mail server setup as other domains, for instance sh.baidu.com, xxee77.com, lsbtzx.com, newbee.name and ffqq66.com.

ac.baidu.com shares some mail servers with other domains, at least partially, for instance mediago.io, gvwinvest.com, vplay8.com, shanghaixiaodu.com and creativeappnow.com.

these mail servers are commonly used with the mail servers mx.n.shifen.com.

Eight IP numbers point to mx.maillb.baidu.com: 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.

Seven IP numbers point to mx.baidu.com: 104.193.89.227, 104.193.89.228, 111.202.115.85, 111.206.215.185, 180.76.5.236, 220.181.3.85 and 220.181.50.185.

Pointing to 104.193.89.228: mx.maillb.baidu.com and mx.baidu.com.

Pointing to 111.202.115.85: mx.maillb.baidu.com and mx.baidu.com.

Pointing to 111.206.215.185: mx.maillb.baidu.com and mx.baidu.com.

Pointing to 180.76.5.236: mx.maillb.baidu.com and mx.baidu.com.

Pointing to 220.181.3.85: mx.maillb.baidu.com and mx.baidu.com.

Pointing to 220.181.50.185: mx.maillb.baidu.com and mx.baidu.com.