Cryptobook.us A Graduate Course in Applied Cryptography

Online Status
UNKNOWN

Cryptobook.us receives about 2,051 unique visitors and 4,102 pageviews per day. The estimated value of cryptobook.us is 3,120 USD. Each unique visitor makes about 2 pageviews on average.

Cryptobook.us is registered under .US top-level domain. Check other websites in .US zone.

At the time of the last check (June 11, 2021) cryptobook.us has an expired SSL certificate issued by Google Trust Services LLC (expired on August 05, 2021). Check other websites using SSL certificates issued by Google Trust Services LLC.

According to Google Safe Browsing and Symantec cryptobook.us is quite a safe domain.

Mobile-Friendly test indicates that cryptobook.us is well optimized for mobile and tablet devices.



Overview
Last Updated: 05/02/2024
Unknown status.
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: 02/09/2024
cryptobook.us is safe.

Norton ConnectSafe evaluates cryptobook.us for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search
Last Updated: 05/02/2024
Unknown status.

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
Malware not found at "cryptobook.us".
"cryptobook.us" is not a phishing page.
"cryptobook.us" does not install unwanted software.
"cryptobook.us" 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.
Site Advisor
Last Updated: 03/13/2021
cryptobook.us is safe.

McAfee assesses cryptobook.us 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 cryptobook.us for mature or inappropriate content, only security checks are evaluated.

Web of Trust
Last Updated: 05/02/2024
cryptobook.us child safety isunknown.

The WOT calculates reputation of the cryptobook.us. This reputation system receives ratings from users and information from third-party sources, assesses the cryptobook.us for safety features and confirms, whether cryptobook.us is suitable for children.

SSL Information
Domain cryptobook.us
Issuer OrganizationGoogle Trust Services LLC
Issuer GTS CA 1D4
Algorithm RSA-SHA256
Valid form 05/06/2021
Expiration 08/05/2021
SignedCertificate is not self signed
Additional Domains cryptobook.us
Server Location

Not Found

ASN Information

ASN ID: 15169
ASN Title: GOOGLE - Google LLC, US

Last Update: 03/24/2024

#
# 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: 15169
ASName: GOOGLE
ASHandle: AS15169
RegDate: 2000-03-30
Updated: 2012-02-24
Ref: https://rdap.arin.net/registry/autnum/15169


OrgName: Google LLC
OrgId: GOGL
Address: 1600 Amphitheatre Parkway
City: Mountain View
StateProv: CA
PostalCode: 94043
Country: US
RegDate: 2000-03-30
Updated: 2017-12-21
Ref: https://rdap.arin.net/registry/entity/GOGL

OrgAbuseHandle: ABUSE5250-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-253-0000
OrgAbuseEmail: network-abuse@google.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE5250-ARIN

OrgTechHandle: ZG39-ARIN
OrgTechName: Google LLC
OrgTechPhone: +1-650-253-0000
OrgTechEmail: arin-contact@google.com
OrgTechRef: https://rdap.arin.net/registry/entity/ZG39-ARIN

RTechHandle: ZG39-ARIN
RTechName: Google LLC
RTechPhone: +1-650-253-0000
RTechEmail: arin-contact@google.com
RTechRef: https://rdap.arin.net/registry/entity/ZG39-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

Domain Name: cryptobook.us
Registry Domain ID: D50689697-US
Registrar WHOIS Server: whois.squarespace.domains
Registrar URL: https://domains.squarespace.com
Updated Date: 2023-08-31T02:20:17Z
Creation Date: 2015-08-26T16:47:16Z
Registry Expiry Date: 2024-08-25T23:59:59Z
Registrar: Squarespace Domains II LLC
Registrar IANA ID: 895
Registrar Abuse Contact Email: abuse-complaints@squarespace.com
Registrar Abuse Contact Phone: +1.6466935324
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: C50689693-US
Registrant Name: Dan Boneh
Registrant Organization: Stanford University
Registrant Street: Computer Science
Registrant Street:
Registrant Street:
Registrant City: Stanford
Registrant State/Province: CA
Registrant Postal Code: 94305
Registrant Country: US
Registrant Phone: +1.6507353897
Registrant Phone Ext:
Registrant Fax:
Registrant Fax Ext:
Registrant Email: dabo@cs.stanford.edu
Registrant Application Purpose: P3
Registrant Nexus Category: C11
Registry Admin ID: C50689693-US
Admin Name: Dan Boneh
Admin Organization: Stanford University
Admin Street: Computer Science
Admin Street:
Admin Street:
Admin City: Stanford
Admin State/Province: CA
Admin Postal Code: 94305
Admin Country: US
Admin Phone: +1.6507353897
Admin Phone Ext:
Admin Fax:
Admin Fax Ext:
Admin Email: dabo@cs.stanford.edu
Admin Application Purpose: P3
Admin Nexus Category: C11
Registry Tech ID: C50689693-US
Tech Name: Dan Boneh
Tech Organization: Stanford University
Tech Street: Computer Science
Tech Street:
Tech Street:
Tech City: Stanford
Tech State/Province: CA
Tech Postal Code: 94305
Tech Country: US
Tech Phone: +1.6507353897
Tech Phone Ext:
Tech Fax:
Tech Fax Ext:
Tech Email: dabo@cs.stanford.edu
Tech Application Purpose: P3
Tech Nexus Category: C11
Name Server: ns-cloud-d2.googledomains.com
Name Server: ns-cloud-d3.googledomains.com
Name Server: ns-cloud-d4.googledomains.com
Name Server: ns-cloud-d1.googledomains.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-01-14T18:59:56Z

DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL

Last tested: 04/22/2018

Desktop
Desktop Speed
90%
Desktop Resource Breakdown
Total Resources12
Number of Hosts6
Static Resources6
JavaScript Resources3
CSS Resources3

Last tested: 04/22/2018

Mobile
Mobile Usability
71%
Mobile Speed
74%
Mobile Resource Breakdown
Total Resources12
Number of Hosts6
Static Resources6
JavaScript Resources3
CSS Resources3
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