Os-book.com Operating System Concepts


Os-book.com Overview

Os-book.com ranking shows that the page is at position 341,531 over the world, while the bulk of its audience is from India, where it ranks 107,978.

In terms of rank-to-traffic ratio, os-book.com has 964 unique users per day, viewing 2,119 pages. The rank based value of os-book.com is 42,616 USD. Every user makes 2.35 pageviews on average.

Os-book.com boasts a link base consisting of 278 referring domains and 318 external backlinks, as revealed by the data obtained from web network scanning.

Os-book.com top-level domain belongs to .COM domain zone. Check other webpages in .COM zone.

According the last verification test in October 09, 2024, os-book.com has a valid and up-to-date SSL certificate issued by Let's Encrypt , certificate expiration date: November 18, 2024. Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.

Based on data from Google Safe Browsing, Google Safe Search and Symantec os-book.com is a fairly safe domain.

According the Mobile-Friendly test by Google os-book.com is nice optimized for mobile devices and tablets.


Os-book.com Rank Summary

Global Rank
341,531
Average Load Time
0.00sec
Links In Count
107
Website Value
$39,459

Os-book.com Website Safety

logo
Overview
Last Updated: 11/09/2024
Overall result - os-book.com 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 logo
Norton Connect Safe
Last Updated: 03/25/2024
os-book.com is safe.
Norton ConnectSafe evaluates os-book.com for any unsafe and insecure content. The results are critical for families with young children.
Google logo
Google Safe Search
Last Updated: 07/03/2017
os-book.com 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 brwosing logo
Google Safe Browsing
Last Updated: 01/09/2019
os-book.com 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.
McAfee logo
Site Advisor
Last Updated: 03/09/2021
os-book.com is safe.
McAfee assesses os-book.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 os-book.com for mature or inappropriate content, only security checks are evaluated.
Web of trust logo
Web of Trust
Last Updated: 11/09/2024
os-book.com child safety is unknown.
The WOT calculates reputation of the os-book.com. This reputation system receives ratings from users and information from third-party sources, assesses the os-book.com for safety features and confirms, whether os-book.com is suitable for children.

SSL Information
Domainos-book.com
Issuer OrganizationLet's Encrypt
IssuerR10
AlgorithmRSA-SHA256
Valid form08/20/2024
Expiration11/18/2024
SignedCertificate is not self signed
Additional Domains os-book.com
www.os-book.com

Os-book.com Rank History

Os-book.com Hosting Information

Server Location

ASN Information

Last Update: 03/18/2024

#
# 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: 19871
ASName: NETWORK-SOLUTIONS-HOSTING
ASHandle: AS19871
RegDate: 2006-09-06
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/19871

OrgName: Network Solutions, LLC
OrgId: NETWO-59
Address: 12808 Gran Bay Parkway West
City: Jacksonville
StateProv: FL
PostalCode: 32258
Country: US
RegDate: 2004-08-05
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/NETWO-59

OrgAbuseHandle: NOC2042-ARIN
OrgAbuseName: NOC
OrgAbusePhone: +1-703-668-4900
OrgAbuseEmail: nocsupport@networksolutions.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/NOC2042-ARIN

OrgTechHandle: NOC2042-ARIN
OrgTechName: NOC
OrgTechPhone: +1-703-668-4900
OrgTechEmail: nocsupport@networksolutions.com
OrgTechRef: https://rdap.arin.net/registry/entity/NOC2042-ARIN

RTechHandle: NOC2042-ARIN
RTechName: NOC
RTechPhone: +1-703-668-4900
RTechEmail: nocsupport@networksolutions.com
RTechRef: https://rdap.arin.net/registry/entity/NOC2042-ARIN

RNOCHandle: NOC2042-ARIN
RNOCName: NOC
RNOCPhone: +1-703-668-4900
RNOCEmail: nocsupport@networksolutions.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC2042-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.
#

Os-book.com Domain Registration and Settings

WHOIS

Domain Name: OS-BOOK.COM
Registry Domain ID: 93832448_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://networksolutions.com
Updated Date: 2022-12-04T07:24:35Z
Creation Date: 2003-01-09T21:24:25Z
Registry Expiry Date: 2028-01-09T21:24:25Z
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: NS33.WORLDNIC.COM
Name Server: NS34.WORLDNIC.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2023-09-23T13:07:25Z


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL

Os-book.com HTML Check


Errors
Warnings

Os-book.com Desktop Performance

Last tested: 03/10/2019

Speedometer image
Desktop Speed
73%

Desktop Resource Breakdown
Total Resources5
Number of Hosts1
Static Resources4

Os-book.com Mobile Insights

Last tested: 03/10/2019

Speedometer image
Mobile Usability
67%
Speedometer image
Mobile Speed
79%

Mobile Resource Breakdown
Total Resources5
Number of Hosts1
Static Resources4

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