clio.columbia.edu

• name: viewport content: width=device-width, initial-scale=1.0
• name: robots content: noindex,nofollow

• Anubis
• Techaro
• CELPHASE

            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: COLUMBIA.EDU
Registrant:
Columbia University
615 West 131st Street
CUIT - 5th Floor
New York, NY 10027
USA
Administrative Contact:
Domain Admin
Columbia University
615 West 131st Street
CUIT - 5th Floor
New York, NY 10027
USA
+1.2128541919
[email protected]
Technical Contact:
Columbia University
615 West 131st Street
CUIT - 5th Floor
New York, NY 10027
USA
+1.2128541919
[email protected]
Name Servers:
AUTH2.DNS.COGENTCO.COM
NS1.LSE.AC.UK
AUTH1.DNS.COGENTCO.COM
EXT-NS1.COLUMBIA.EDU
Domain record activated:    05-Jul-1985
Domain record last updated: 08-Dec-2025
Domain expires:             31-Jul-2027
        

			# See http://www.robotstxt.org/wc/norobots.html for documentation on how to use the robots.txt file
#
# To ban all spiders from the entire site uncomment the next two lines:
User-Agent: *
Disallow: /

#   # Allow a handful of specific pages
#   # homepage
#   Allow: /$
#   # landing pages
#   Allow:  /academic_commons
#   Allow:  /archives
#   Allow:  /articles
#   Allow:  /catalog
#   Allow:  /databases
#   Allow:  /dissertations
#   Allow:  /ebooks
#   Allow:  /journals
#   Allow:  /library_web
#   Allow:  /lists
#   Allow:  /new_arrivals
#   Allow:  /newspapers
#   Allow:  /quicksearch
#   # catalog items...
#   Allow: /catalog/*
#   # ...but not queries or paths
#   Disallow: /catalog/*?*
#   Disallow: /catalog/*/*
#   # and then disallow everything else
#   Disallow: /
#   
#   ## try this - disallow any queries, allow static pages
#   #Disallow: /*?*
#   ## don't let bots visit email pages
#   #Disallow: /*/email
#   ## bots don't need live holdings
#   #Disallow: /backend/*
#   
#   # -- Agent-specific rules --
#   
#   # Slow down Yandex
#   User-agent: Yandex
#   # specifies a delay of 2 seconds 
#   Crawl-delay: 2 
#   
#   
        

テクニカルSEO

オンページSEO

コンテンツとUX