VERISIGN® RECURSIVE DNS 2015

Verisign Public

VERISIGN WORLDWIDE INTERNET CONSTELLATION

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Verisign DNS Resolution sites

Manages nearly half of the Internet’s domain names

Connects with over 600 networks at 1,200 points of interconnection

76+ global points of presence

1.6+ Tbps global capacity in 2015

Proven operational expertise from running .COM and .NET global DNS infrastructure for over 17 years with 100% availability

Approximate DNS queries processed daily

110 Billion A leader in critical infrastructure protection, representing more than 70% of global commerce

Verisign Public

WHAT IS RECURSIVE CONTENT?

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Essential component of nearly all communication on the Internet

The first link in the DNS lookup chain

ISP Internet Service Providers Enterprises End Users

Provides the intelligent routing for Internet navigation

User types URL into a browser RECURSIVE DNS

RESOLVER The URL is sent to the recursive DNS resolver

ROOT SERVERS

Resolver checks with the root server to find where to go to get the IP addresses for URLs that end in .COM

AUTHORITATIVE SERVERS

This server knows the IP address for the full domain and returns the answer to the recursive DNS resolver

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Browser goes to www.verisigninc.com 7

6 The recursive DNS resolver returns actual address, www.verisigninc.com (72.13.63.55)

WWW.VERISIGNINC.COM TLD NAME SERVERS

The TLD name server answers with the IP address of the authoritative server for that domain

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Verisign Public 4

INBOUND

COMPLETE DNS ECOSYSTEM

OUTBOUND

Verisign Public

TOTAL COST OF OWNERSHIP

VERISIGN RECURSIVE DNS

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STABILITY

SECURITY

PRIVACY

Utilizes patented, proprietary ATLAS technology

Less vulnerable to security flaws than other DNS platforms

100% operational accuracy and stability of .COM and .NET zones worldwide

Over 17 years providing highly reliable DNS service

No hardware investment, maintenance or in-house resources required

Leverages Verisign’s extensive experience and knowledge in DNS Infrastructure

Verisign respects your privacy

Your recursive DNS data will not be sold to third parties

Verisign will not redirect your queries to serve you ads

100%

Reduces overall threat exposure

Offers a lower TCO

Scale services as needed

Verisign Public

STABILITY

SECURITY

KEY BENEFITS

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PRIVACY

Trust that your business critical queries will be responded to as expected without alteration

Proven protection from security flaws and other vulnerabilities

Confidence in a platform with commitment of availability

Assertion that your data is protected

TOTAL COST OF OWNERSHIP

Opportunity to redirect resources to more critical areas of your business

Reduce overall cost in a platform that is outside core business objectives

Assurance that the service will adapt seamlessly to your changing business needs without additional investment

Verisign Public 7

IPv6

System Status

Cache Flushing

EDNS Client Subnet

DNSSEC Validation

CORE FEATURES

Verisign Public

CHOOSE THE IMPLEMENTATION THAT BEST MEETS YOUR NEEDS

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Replace Augment Backup

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