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Use this tool:<br />
<br />
<a href="http://dns.measurement-factory.com/cgi-bin/openresolvercheck.pl" rel="ugc">http://dns.measurement-factory.com/cgi-bin/openresolvercheck.pl</a>
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Use this tool:

http://dns.measurement-factory.com/cgi-bin/openresolvercheck.pl [http://dns.measurement-factory.com/cgi-bin/openresolvercheck.pl]

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Dear User<br />
<br />
Please try this.<br />
<br />
<a href="http://openresolverproject.org/" rel="ugc">http://openresolverproject.org/</a><br />
<br />
<b>Regards, Shiva</b>
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Dear User

Please try this.

http://openresolverproject.org/ [http://openresolverproject.org/]

Regards, Shiva

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From the internet, how do I test a DNS server for Open Recursive DNS Resolver?!?<br />
<br />
Is there a tool I can use to test it? &nbsp;Thank you.
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From the internet, how do I test a DNS server for Open Recursive DNS Resolver?!?

Is there a tool I can use to test it?  Thank you.

How do I test externally for a Open Recursive DNS Resolver?

Hardware-based firewalls provide more sophisticated protection for inbound and outbound traffic than the simple Windows software firewall or the basic NAT firewalls found in routers. These devices implement techniques such as stateful packet inspection, deep packet inspection, and content filtering; and may include built-in antivirus and anti-malware protection.

Hardware Firewalls

The Domain Name System (DNS) is a hierarchical, globally distributed system responsible for associating the name of a computer, service or other resource into an IP address for connecting to the Internet or a private network. Most prominently, it translates domain names to the numerical IP addresses needed for the purpose of computer services and devices worldwide.

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.