Ctb.com Data Recognition Corporation
Server IP address resolved: No
Http response code: None
Last Checked: 02/03/2025
Ctb.com attracts 248 unique visitors daily, generating 248 pageviews. The estimated value of ctb.com is 3,124 USD. Each visitor views approximately 1.07 pages on average.
According to Majestic's traffic estimates, ctb.com ranks 83,133 globally, with the majority of its visitors coming from United States, where it holds the 615,360 position.
It is beneficial for ctb.com that their data center (provided by MHE - McGraw-Hill Education, US) is located in United States, as this helps reduce page load time for most visitors.
See the list of other websites hosted by MHE - McGraw-Hill Education, US.
Ctb.com is registered with the .COM top-level domain. Explore additional websites within the .COM zone.
According to the latest verification on (February 03, 2025), ctb.com has an invalid SSL certificate. Click the "Refresh" button in the Safety Information section for updated SSL details.
According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust ctb.com appears to be a safe domain.
Based on Google's Mobile-Friendly test, ctb.com is optimized for mobile and tablet devices, although the web page loading speed could be improved.
Audience Geography. Where are ctb.com visitors located?
| Country | Visitors |
|---|---|
 United States US | 100% |
| Country | Pageviews |
|---|---|
| United States US | 100% |
| Country | Rank |
|---|---|
| United States US | 615360 |
Where do visitors go on ctb.com?
| Subdomain | Pageviews |
|---|
| Subdomain | Pageviews per User |
|---|
| Subdomain | Reach |
|---|
How popular is ctb.com?
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 2968944 | -2587228 |
| past month | 2715178 | -116819 |
| past week | 1397756 | -1704753 |
| Days | Pageviews Rank | Pageviews Rank Delta | Pageviews per Million | Pageviews per Million Delta | Pageviews per User | Pageviews per User Delta |
|---|---|---|---|---|---|---|
| 90 | 4225256 | -3181516 | 0 | 100% | 1 | 0% |
| 30 | 3760161 | -155997 | 0 | 8% | 1 | 0% |
| 7 | 1952321 | -1521900 | 1 | 200% | 1 | 0% |
| Days | Reach Rank | Reach Rank Delta | Reach per Million | Reach per Million Delta |
|---|---|---|---|---|
| 90 | 2449026 | -2362159 | 11 | 100% |
| 30 | 2319417 | -95572 | 1 | 8% |
| 7 | 1151203 | -1570423 | 3 | 200% |
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 ctb.com 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.
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.
McAfee assesses ctb.com 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 ctb.com for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the ctb.com. This reputation system receives ratings from users and information from third-party sources, assesses the ctb.com for safety features and confirms, whether ctb.com is suitable for children.
| WARNING! | Certificate download error. Previous scan results are shown below. |
| Domain | Unknown |
| Issuer Organization | Unknown |
| Issuer | Unknown |
| Algorithm | Unknown |
| Valid form | Unknown |
| Expiration | Unknown |
| Signed | No information |
| Additional Domains |
ASN ID: 62575
ASN Title: MHE - McGraw-Hill Education, US
Last Update: 10/05/2023
#
# 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: 62575
ASName: MHE
ASHandle: AS62575
RegDate: 2013-07-16
Updated: 2013-07-16
Comment: McGraw Hill Education.
Ref: https://rdap.arin.net/registry/autnum/62575
OrgName: McGraw-Hill Education
OrgId: MGEHL
Address: 2 Penn Plaza
City: New York
StateProv: NY
PostalCode: 10121
Country: US
RegDate: 2013-06-07
Updated: 2016-09-07
Ref: https://rdap.arin.net/registry/entity/MGEHL
OrgTechHandle: JDT8-ARIN
OrgTechName: Turbett, Joe Dorian
OrgTechPhone: +1-614-562-9451
OrgTechEmail: Joe.Turbett@mheducation.com
OrgTechRef: https://rdap.arin.net/registry/entity/JDT8-ARIN
OrgTechHandle: DMA425-ARIN
OrgTechName: Mann, David
OrgTechPhone: +1-609-638-3934
OrgTechEmail: david.mann@mheducation.com
OrgTechRef: https://rdap.arin.net/registry/entity/DMA425-ARIN
OrgTechHandle: FIELD72-ARIN
OrgTechName: Fields, Daniel
OrgTechPhone: +1-720-618-4422
OrgTechEmail: daniel.fields@mheducation.com
OrgTechRef: https://rdap.arin.net/registry/entity/FIELD72-ARIN
OrgAbuseHandle: MAOC-ARIN
OrgAbuseName: MHE Abuse Operations Center
OrgAbusePhone: +1-617-859-6003
OrgAbuseEmail: abuse@mheducation.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/MAOC-ARIN
OrgNOCHandle: MNOC10-ARIN
OrgNOCName: MHE Network Operations Center
OrgNOCPhone: +1-617-859-6003
OrgNOCEmail: noc@mheducation.com
OrgNOCRef: https://rdap.arin.net/registry/entity/MNOC10-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.
#
Domain Name: CTB.COM
Registry Domain ID: 2624377_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2022-12-03T06:47:47Z
Creation Date: 1995-01-31T05:00:00Z
Registry Expiry Date: 2025-02-01T05:00:00Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: domain.operations@web.com
Registrar Abuse Contact Phone: +1.8777228662
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: NS-1446.AWSDNS-52.ORG
Name Server: NS-2022.AWSDNS-60.CO.UK
Name Server: NS-580.AWSDNS-08.NET
Name Server: NS-73.AWSDNS-09.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2024-09-22T03:49:33Z
| Host | A Record | TTL |
|---|---|---|
| ctb.com | 192.243.90.150 | 1800 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| ctb.com | aspmx.l.google.com | 1 | 3600 |
| ctb.com | aspmx2.googlemail.com | 10 | 3600 |
| ctb.com | aspmx3.googlemail.com | 10 | 3600 |
| ctb.com | alt1.aspmx.l.google.com | 5 | 3600 |
| ctb.com | alt2.aspmx.l.google.com | 5 | 3600 |
| Host | NS Record | TTL |
|---|---|---|
| ctb.com | ns-1446.awsdns-52.org | 172800 |
| ctb.com | ns-2022.awsdns-60.co.uk | 172800 |
| ctb.com | ns-580.awsdns-08.net | 172800 |
| ctb.com | ns-73.awsdns-09.com | 172800 |
| Host | TXT Record | TTL |
|---|---|---|
| ctb.com | google-site-verification=FOrBu-8RkyTBFMExLr-6x5wGq52ZCpeQqtG33yGIX8A | 300 |
ns-1446.awsdns-52.org
TTL: 900
Email address: awsdns-hostmaster.amazon.com
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
Minimum: 86400
Last tested: 05/27/2017
| Total Resources | 79 |
| Number of Hosts | 2 |
| Static Resources | 42 |
| JavaScript Resources | 23 |
| CSS Resources | 16 |
Last tested: 05/27/2017
| Total Resources | 79 |
| Number of Hosts | 2 |
| Static Resources | 42 |
| JavaScript Resources | 23 |
| CSS Resources | 16 |
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