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...
Server IP address resolved: Yes
Http response code: 200
Response time: 4.17 sec.
Last Checked: 03/09/2023
Over the time tc.edu has been ranked as high as 13,726 in the world.
Tc.edu receives about 168 unique visitors and 504 pageviews per day. The estimated value of tc.edu is 5,840 USD. Each unique visitor makes about 3 pageviews on average.
Tc.edu is registered under .EDU top-level domain. Check other websites in .EDU zone.
At the time of the last check (June 17, 2023) tc.edu has an expired SSL certificate issued by Internet2 (expired on February 03, 2024). Check other websites using SSL certificates issued by Internet2.
According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust tc.edu is quite a safe domain.
Mobile-Friendly test indicates that tc.edu is well optimized for mobile and tablet devices, however website page loading time could be improved.
Alexa Rank shows how popular tc.edu is in comparison with other sites. The most popular site has Alexa Rank equals 1. If tc.edu has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to tc.edu and pageviews on tc.edu over the past 3 months.
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 ConnectSafe evaluates tc.edu for any unsafe and insecure content. The results are critical for families with young children.
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.
"tc.edu" is not a phishing page.
"tc.edu" does not install unwanted software.
"tc.edu" does not contain harmfull applications.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
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.
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.
| Domain | tc.edu |
| Issuer Organization | Internet2 |
| Issuer | InCommon RSA Server CA |
| Algorithm | RSA-SHA256 |
| Valid form | 02/03/2023 |
| Expiration | 02/03/2024 |
| Signed | Certificate is not self signed |
| Additional Domains | tc.edu |
Not Found
ASN ID: 14618
ASN Title: AMAZON-AES - Amazon.com, Inc., US
Last Update: 10/13/2023
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# 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
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# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
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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.
#
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or related to .edu domain registration records.
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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
| Host | A Record | TTL |
|---|
| Host | MX Record | Priority | TTL |
|---|
| Host | NS Record | TTL |
|---|
| Host | TXT Record | TTL |
|---|
Last tested: 04/27/2017
| Total Resources | 88 |
| Number of Hosts | 18 |
| Static Resources | 28 |
| JavaScript Resources | 23 |
| CSS Resources | 10 |
Last tested: 04/27/2017
| Total Resources | 90 |
| Number of Hosts | 20 |
| Static Resources | 29 |
| JavaScript Resources | 25 |
| CSS Resources | 10 |
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