This Registry database contains ONLY .EDU domains. The data in the EDUCAUSE Whois database is provided by EDUCAUSE for information purposes in order to assist in the process of obtaining information about or related to .edu domain registration records. The EDUCAUSE Whois database is authoritative for the .EDU domain. A Web interface for the .EDU EDUCAUSE Whois Server is available at: http://whois.educause.edu By submitting a Whois query, you agree that this information will not be used to allow, enable, or otherwise support the transmission of unsolicited commercial advertising or solicitations via e-mail. The use of electronic processes to harvest information from this server is generally prohibited except as reasonably necessary to register or modify .edu domain names. ------------------------------------------------------------- Domain Name: CALTECH.EDU Registrant: California Institute of Technology Information Management Systems and Services MS 1-10 1200 East California Boulevard Pasadena, CA 91125 USA Administrative Contact: Domain Admin California Institute of Technology 1200 E. California Blvd. MS 1-10 Pasadena, CA 91125 USA +1.6263953500 [email protected] Technical Contact: California Institute of Technology 1200 E. California Blvd. MS 1-10 Pasadena, CA 91125 USA +1.6263953500 [email protected] Name Servers: NS0090.SECONDARY.CLOUDFLARE.COM NS0239.SECONDARY.CLOUDFLARE.COM Domain record activated: 06-Jan-1986 Domain record last updated: 30-Jan-2026 Domain expires: 31-Jul-2027
Robots.txt
🤖
User-agent: *
Disallow: /api
搜索引擎优化审核
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技术搜索引擎优化
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响应代码
200
状态 200 正常 - 页面加载正确。
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字符编码
Page: utf-8, Header: utf-8
HTML 和标头之间的字符编码一致。
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页面尺寸
3790 bytes
页面大小可以接受快速加载。
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资源
2 total
最佳资源数量。
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赫尔夫朗标签
0 hreflang tags
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Robots.txt
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HTTPS
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页面速度
0.12 ms
出色的加载速度。
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标题
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元描述
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H1 标题
1 found - "Welcome to
feeds.library.caltech.edu (v1.6)"