Tc.edu Graduate School of Education | Teachers College, Columbia University

Teachers College, Columbia University, is the first and largest graduate school of education in the United States, and also perennially ranked among t...


Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 4.17 sec.
Last Checked: 03/29/2024

Tc.edu traffic volume is 180 unique daily visitors and their 539 pageviews. The web value rate of tc.edu is 6,249 USD. Each visitor makes around 3.21 page views on average.

By Alexa's traffic estimates tc.edu placed at 13,726 position over the world.

Tc.edu registered under .EDU top-level domain. Check other websites in .EDU zone.

The last verification results, performed on (June 17, 2023) tc.edu show that tc.edu has an expired SSL certificate issued by Internet2 (expired on February 03, 2024). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Internet2.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust tc.edu is pretty a safe domain.

Relying Google MobileFriendly test tc.edu is well optimized for mobile and tablet devices, however web page loading speed may be improved.


Global Rank
1,314,018
Average Load Time
0.64sec
Links In Count
318
Website Value
$5,840

Overview
Last Updated: 03/29/2024
Overall result - tc.edu is safe.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton Connect Safe
Last Updated: 02/07/2024
tc.edu is safe.
Norton ConnectSafe evaluates tc.edu for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 03/03/2019
tc.edu is safe.
SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
Google Safe Browsing
Last Updated: 01/09/2019
tc.edu is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
Site Advisor
Last Updated: 01/27/2021
tc.edu is safe.
McAfee assesses tc.edu for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze tc.edu for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/11/2019
tc.edu child safety is very good.
The WOT calculates reputation of the tc.edu. This reputation system receives ratings from users and information from third-party sources, assesses the tc.edu for safety features and confirms, whether tc.edu is suitable for children.

SSL Information
Domaintc.edu
Issuer OrganizationInternet2
IssuerInCommon RSA Server CA
AlgorithmRSA-SHA256
Valid form02/03/2023
Expiration02/03/2024
SignedCertificate is not self signed
Additional Domains tc.edu
Server Location

ASN Information

ASN ID: 14618
ASN Title: AMAZON-AES - Amazon.com, Inc., US

Last Update: 10/13/2023

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 14618
ASName: AMAZON-AES
ASHandle: AS14618
RegDate: 2005-11-04
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/14618

OrgName: Amazon.com, Inc.
OrgId: AMAZO-4
Address: Amazon Web Services, Inc.
Address: P.O. Box 81226
City: Seattle
StateProv: WA
PostalCode: 98108-1226
Country: US
RegDate: 2005-09-29
Updated: 2017-01-28
Comment: For details of this service please see
Comment: http://ec2.amazonaws.com/
Ref: https://rdap.arin.net/registry/entity/AMAZO-4

OrgNOCHandle: AANO1-ARIN
OrgNOCName: Amazon AWS Network Operations
OrgNOCPhone: +1-206-266-4064
OrgNOCEmail: amzn-noc-contact@amazon.com
OrgNOCRef: https://rdap.arin.net/registry/entity/AANO1-ARIN

OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN

OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN

RTechHandle: ANO24-ARIN
RTechName: Amazon EC2 Network Operations
RTechPhone: +1-206-266-4064
RTechEmail: amzn-noc-contact@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

WHOIS

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: TC.EDU

Registrant:
Teachers College
525 West 120th Street, Box 43
525 West 120th Street
New York, NY 10027
USA

Administrative Contact:
Domain Admin
Teachers College
CIS, Box 43
525 West 120th Street
New York, NY 10027
USA
+1.2126783442
netsys@tc.columbia.edu

Technical Contact:

Columbia University
612West 115th Street
New York, NY 10025
USA
+1.2128541919
hostmaster@columbia.edu

Name Servers:
EXT-NS1.COLUMBIA.EDU
DNS2.ITD.UMICH.EDU

Domain record activated: 05-Jan-2000
Domain record last updated: 25-Mar-2021
Domain expires: 31-Jul-2021


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL
Warnings

Errors

Last tested: 04/27/2017

Desktop
Desktop Speed
42%

Desktop Resource Breakdown
Total Resources88
Number of Hosts18
Static Resources28
JavaScript Resources23
CSS Resources10

Last tested: 04/27/2017

Mobile
Mobile Usability
99%
Mobile Speed
45%

Mobile Resource Breakdown
Total Resources90
Number of Hosts20
Static Resources29
JavaScript Resources25
CSS Resources10
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