Free Online Tools for Looking up Potentially Malicious Websites

Free Online Tools for Looking up Potentially Malicious Websites
Many Website's offer free on-line tools for looking up a potentially malicious website. Some of these tools provide historical information; others examine the URL in real time to identify threats.

Malicious Websites
This is very useful for your website to make trustful and secure website to your visitor. when you apply from any website to review your website for malicious test and after verification you can also add their review html tags to your website which are very beneficial for your website rating in Google and other search engine.

Below are some website's where you can check and rate your website.

Trustpilot:Trustpilot is committed to ensuring better on line shopping experiences for everyone, which means we work hard to fight fabricated reviews. No company can delete or otherwise censor reviews.

AVG Website Safety Reports: Provides historical reputation data about the site.

BrightCloud URL/IP Lookup: Presents historical reputation data about the website.

Comodo Web Inspector: Examines the URL in real-time.

Cisco SenderBase: Presents historical reputation data about the website.

Cymon: Presents data from various threat intel feeds.

Deepviz: Offers historical threat intel data about IPs, domains, etc.
FortiGuard lookup: Displays the URL’s history and category.

IBM X-Force Exchange: Provides historical data about IPs, URLs, etc.

Joe Sandbox URL Analyzer: Examines the URL in real time.

Is It Hacked: Performs several of its own checks of the URL in real time and consults some blacklists.

IsItPhishing: Assesses the specified URL in real-time.

KnownSec: Presents historical reputation data about the website; Chinese language only.

Norton Safe Web: Presents historical reputation data about the website.

PhishTank: Looks up the URL in its database of known phishing websites.

Malware Domain List: Looks up recently-reported malicious websites.

MalwareURL: Looks up the URL in its historical list of malicious websites.

McAfee Site Advisor: Presents historical reputation data about the website.

McAfee TrustedSource: Presents historical reputation data about the website.

MxToolbox: Queries multiple reputational sources for information about the IP or domain.

Open Threat Exchange: Presents diverse threat intelligence data from AlienVault.

PassiveTotal: Presents passive DNS and other threat intelligence data.

Quttera ThreatSign: Scans the specified URL for the presence of malware.

Reputation Authority: Shows reputational data on specified domain or IP address.

Sucuri SiteCheck: Scans the URL for malware in real time and looks it up in several blacklists.

Trend Micro Web Reputation: Presents historical reputation data about the website.

Unmask Parasites: Looks up the URL in the Google Safe Browsing database.

URL Blacklist: Looks up the URL in its database of suspicious sites.

URL Query: Looks up the URL in its database of suspicious sites and examines the site’s content.

URLVoid and IPVoid: Looks up the URL or IP in several blacklisting services.

VirusTotal: Looks up the URL in several databases of malicious sites.

vURL: Retrieves and displays the source code of the page; looks up its status in several blocklists.

ThreatMiner: Presents diverse threat intelligence data.

WebPulse Site Review: Looks up the website in BlueCoat’s database.

Zscaler Zulu URL Risk Analyzer: Examines the URL using real-time and historical techniques.
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What is the Difference Between Impact Printers and Non-Impact Printers?

What is the Difference Between Impact Printers and Non-Impact Printers?
Impact Printers and Non-Impact
Printer Technology has advanced greatly over the past few decades. Yesterday's impact printers were noisy devices that either churned out blocky documents mixing text and graphics or generated attractive text, but without the ability to print graphics, varying fonts or even varied text sizes. Many of today's non-impact printers are almost whisper quiet and generate entire pages in just a few seconds. However, impact printer technology still has its benefits.

Impact Printers
Impact printers operate by having an element strike the paper. An impact printer forms characters and graphics on a piece of paper by striking a mechanism against an inked ribbon that physically contacts the paper. Impact printers are ideal for printing multipart forms because they easily print through many layers of paper. Two commonly used types of impact printers are dot-matrix printers and line printers.


Impact Printer
A dot-matrix printer produces printed images when tiny wire pins on a print head mechanism strike an inked ribbon. When the ribbon presses against the paper, it creates dots that form characters and graphics. Dot-matrix printers typically use continuousform paper, in which thousands of sheets of paper are connected together end to end. The pages have holes along the sides to help feed the paper through the printer. The speed of most dot-matrix printers ranges from 375 to 1100 characters per second (cps), depending on the desired print quality.

A line printer is a high-speed impact printer that prints an entire line at a time. The speed of a line printer is measured by the number of lines per minute (lpm) it can print. Some line printers print as many as 3,000 lpm.

 For instance, to make a capital "I" in a serif font, the top and bottom pin would fire, then every pin would fire, then the top and bottom pin would fire. The pins strike an ink-impregnated ribbon and press it into the paper, leaving a mark. One of the problems with dot matrix printing technology is that there are gaps between the pins, leading to output that has a number of gaps and looks incomplete. 

Daisy wheel impact printers pressed a wheel with pre-formed characters, much like the mechanism in an electrical typewriter, against a ribbon to form an impression on a page. They produced very high quality output but could only print in a single font and character size. In addition, they were extremely slow, with some printing just 10 characters per second.

Non-Impact Printers
The printheads of non-impact printers do not strike the page. In an inkjet printer, a printhead sits a small distance above the page and either sprays ink or pops a bubble of ink onto the paper. Laser and light-emitting diode printers use electrical charges to transfer dry toner particles from a light sensitive drum to a piece of paper and then melt the toner onto it.


NON-Impact Printers
Benefits of Impact Printers
Impact printers have a couple of benefits. The first is that since they use pressure to generate an image, they work with multipart forms that either have leaves of carbon paper or use carbon-imprinted paper. The second is that since they print one line at a time instead of one page at a time, their paper feed mechanisms are designed to let them use continuous forms.

Non-Impact Printer
A nonimpact printer forms characters and graphics on a piece of paper without actually striking the paper. Some nonimpact printers spray ink, while others use heat or pressure to create images. Commonly used nonimpact printers are ink-jet printers, photo printers, laser printers, thermal printers, mobile printers, plotters, and large-format printers.

An ink-jet printer is a type of nonimpact printer that forms characters and graphics by spraying tiny drops of liquid ink onto a piece of paper. Ink-jet printers have become a popular type of color printer for use in the home. Ink-jet printers produce text and graphics in both black-and-white and color on a variety of paper types.

A photo printer is a color printer that produces photo-lab-quality pictures. Some photo printers print just one or two sizes of photos, for example, 3 3 5 inches and 4 3 6 inches. Others print up to letter size, legal size, or even larger. Many photo printers use ink-jet technology. With models that can print lettersized documents, users connect the photo printer to their computer and use it for all their printing needs.

A laser printer is a high-speed, high-quality nonimpact printer.Laser printers for personal computers ordinarily use individual sheets of paper stored in one or more removable trays that slide in the printer case.

Non-impact printers have advanced to a point that they are better than impact printers at just about everything other than feeding continuous paper and working with multi-part forms. They have much higher resolutions since, instead of using metal pins, they can use drops of ink measured in picoliters or toner particles measured in micrometers. Non-impact printers are also much quieter, making it possible for them to be used out in the open in office settings.

Difference Between Impact Printers and Non-Impact Printers.
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Things you Should know about Antarctica

Things you Should know about Antarctica
All of the continents are known for something. Asia is the largest and most densely populated. Africa is home to the most countries in the world as well as the Nile, the world’s largest river. South America contains the Ecuadorian Mount Chimborazo, the highest point on Earth. Not only is Australia literally a country unto itself, but it is also Earth’s largest island. Europe is home to the world’s smallest country – Vatican City. North America contains every climate and is home to the world’s largest freshwater lake, Lake Superior. 

But wait – what about little old Antarctica, that cold place on the bottom of the globe? What is there to know about frigid barren land made of ice? The truth is that there are plenty of fantastic and interesting things to know about the loneliest and coldest continent on Earth, and here are just a few fun facts to get you started.

On the southernmost part of Earth lies one huge and mysterious landmass – the frozen continent of Antarctica.

With an area covering about 5.4 million square miles, Antarctica is the fifth largest continent on the planet. It is located entirely within the Arctic Circle, which means the temperatures here are persistently below zero throughout the year. But, despite its incredibly harsh weather conditions, the place is frequently visited by many scientists and explorers. For these reasons, it has been named one of the most interesting places in the world.

Here are some other things you have to know about this frozen continent:

1. Antarctica is the largest desert in the world.

2. Antarctica is the only continent without reptiles.

3. The coldest place on Earth is a high ridge in Antarctica where temperatures can dip below -133°F (-93.2°C).

4. Some parts of Antarctica have had no rain or snow for the last 2 million years.

5. There is a waterfall in Antarctica that runs red.

6. Antarctica has only one ATM.

7. 90% of the world’s fresh water is in Antarctica.

8. You cannot work in Antarctica unless you have had your wisdom teeth and appendix removed.

9. There are no polar bears in Antarctica (only in the Arctic), but there are lots penguins.

10. Antarctica is the only continent without a time zone.

11. Antarctica is the coldest, windiest, highest, and driest continent on Earth.

12. Ice melting in Antarctica has caused a small shift in gravity in the region.

13. Chile has a civilian town in Antarctica, complete with a school, hospital, hostel, post office, Internet, TV and mobile phone coverage.

14. The ice sheet of Antarctica has been in existence for at least 40 million years.

15. There are 300 lakes beneath Antarctica that are kept from freezing by the warmth of Earth’s core.

16. The highest temperature ever recorded in Antarctica is 58.2°F (14.5°C).

17. Mount Erebus is the southernmost active volcano on Earth is in Antarctica. It spews crystals.

18. Antarctica was once as warm as modern-day California.

19. There are at least seven Christian churches in Antarctica.

20. A scientist in Antarctica got a date through Tinder with a girl camping just 45 minutes away.

21. Most of Antarctica is covered in ice: less than 1% is permanently ice-free.

22. The largest iceberg ever measured is bigger than Jamaica: 11,000 sq km (4,200 sq mi). It broke away from Antarctica in 2000.

23. The average thickness of ice in Antarctica is about 1 mile (1.6 km).

24. In 1977, Argentina sent a pregnant mother to Antarctica in an effort to claim a portion of the continent. The boy became the first human known to be born in Antarctica.

25. Winds in some places of Antarctica can reach 200 mph (320 km/h).
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