Freetechbooks.com Database of Free Online Computer Science and Programming Books, Textbooks, and Lecture Notes
This site lists free online computer science, engineering and programming books, textbooks and lecture notes, all of which are legally and freely avai...
Server IP address resolved: Yes
Http response code: 200
Response time: 0.35 sec.
Last Checked: 03/04/2023
Over the time freetechbooks.com has been ranked as high as 22,931 in the world, while most of its traffic comes from India, where it reached as high as 48,435 position.
Freetechbooks.com receives about 2,039 unique visitors and 5,098 pageviews per day. The estimated value of freetechbooks.com is 94,900 USD. Each unique visitor makes about 2.5 pageviews on average.
Freetechbooks.com is registered under .COM top-level domain. Check other websites in .COM zone.
At the time of the last check (March 08, 2019) freetechbooks.com has an invalid SSL certificate.
According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust freetechbooks.com is quite a safe domain.
Mobile-Friendly test indicates that freetechbooks.com is well optimized for mobile and tablet devices, however website page loading time could be improved.
Alexa Rank shows how popular freetechbooks.com is in comparison with other sites. The most popular site has Alexa Rank equals 1. If freetechbooks.com 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 freetechbooks.com and pageviews on freetechbooks.com 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.
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WARNING! | Certificate download error. Previous scan results are shown below. |
Domain | ndaru.net |
Issuer | Let's Encrypt Authority X3 |
Algorithm | RSA-SHA256 |
Valid form | 01/28/2019 |
Expiration | 04/28/2019 |
Signed | Certificate is not self signed |
Additional Domains | id.ndaru.net ndaru.net www.ndaru.net |
ASN ID: 32244
ASN Title: LIQUIDWEB - Liquid Web, L.L.C, US
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# If you see inaccuracies in the results, please report at
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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
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# If you see inaccuracies in the results, please report at
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# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
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Domain Name: FREETECHBOOKS.COM
Registry Domain ID: 94813811_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: http://www.namecheap.com
Updated Date: 2021-01-08T12:20:01Z
Creation Date: 2003-02-10T07:18:55Z
Registry Expiry Date: 2022-02-10T07:18:55Z
Registrar: NameCheap, Inc.
Registrar IANA ID: 1068
Registrar Abuse Contact Email: abuse@namecheap.com
Registrar Abuse Contact Phone: +1.6613102107
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: DNS1.REGISTRAR-SERVERS.COM
Name Server: DNS2.REGISTRAR-SERVERS.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2021-05-24T00:31:53Z
Host | A Record | TTL |
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freetechbooks.com | freetechbooks.com | 10 | 1800 |
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freetechbooks.com | v=spf1 a mx a:freetechbooks.com ip4:67.20.55.35 ~all | 1800 |
dns1.registrar-servers.com
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Email address: hostmaster.registrar-servers.com
Serial: 2017022001
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Expire: 604800
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Last tested: 12/03/2018
Total Resources | 106 |
Number of Hosts | 33 |
Static Resources | 54 |
JavaScript Resources | 23 |
CSS Resources | 8 |
Last tested: 12/03/2018
Total Resources | 163 |
Number of Hosts | 50 |
Static Resources | 64 |
JavaScript Resources | 31 |
CSS Resources | 9 |
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