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Internet Health
The Keynote Internet Health Report, which delivers up-to-the-minute metrics on overall Internet performance, monitoring availability and latency between major Tier One backbones. Performance and availability metrics for several Keynote Indices. (A Keynote Index is a carefully defined set of measurements covering leading Web sites in specific industry sectors.)
Speed Tests
Test your maximum upload speed and download speed from several geographically distributed locations.
Java, Flash and iPhone speed test (100% browser) available.
Email Blacklisting
Mxtoolbox tests will check a mail server IP address against 147 DNS based email blacklists. (Commonly called Realtime blacklist, DNSBL or RBL). If your mail server has been blacklisted, some email you send may not be delivered. Email blacklists are a common way of reducing spam. If you don't know your mail server's address, start with a MX Lookup.
Your IP Lookup
Every computer that communicates over the Internet is assigned an IP address that uniquely identifies the device and distinguishes it from other computers on the Internet. An IP address consists of four parts. For example: 206.13.28.12 Think of your IP address as what your phone number is to you. Every device on a TCP/IP network has an address. This site tells you what your internet IP address is.
DNS Testing
DNS: just three little letters representing such a critical component of your business. The functionality of DNS provides for availability, but also abets vulnerability. Because of their exposure on the Internet, DNS servers are among the most assailable computers that an organization employs. What appears to be simple is maddeningly complex – a black art of sorts. DNSstuff.com is in business to help protect that necessary Achilles Heel.
Here at DNSstuff.com, their goal is to demystify DNS for you with a one-stop location containing every single tool and technique currently available. We make your job as easy as possible and we make your business as efficient as possible. Simply stated, they are going to help save you time and money by enabling you to work smarter than you’ve ever been able to work before.
Firewall Testing
Gibson Research Corporation is owned and operated by Steve Gibson. Check your firewall security with Shields-UP. Your use of the Internet security vulnerability profiling services on this site constitutes your FORMAL PERMISSION for GRC to conduct these tests and requests their transmission of Internet packets to your computer. ShieldsUP!! benignly probes the target computer at your location. Since these probings must travel from our server to your computer, you should be certain to have administrative right-of-way to conduct probative protocol tests through any and all equipment located between your computer and the Internet.
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