Neustar Announces Acquisition of Verisign’s Public DNS
ServiceNov 2, 2020

The Move Provides Verisign Users with Continued Performance and More Security Options

STERLING, Va. – November 2, 2020 – Neustar, Inc., a global information services and technology company andleader in identity resolution, today announced that it has entered into a definitive agreement with VeriSign, Inc. toacquire Verisign’s recursive Public DNS service. Under the terms of the acquisition, the address space for
Verisign Public DNS, such as the widely used 64.6.64.6 will be transferred to Neustar and incorporated into itsrobust recursive UltraDNS Public service.

Trusted by the world’s largest brands and backed by a global cloud infrastructure and a broad security services
portfolio, Neustar will provide Verisign Public DNS users with a continuation of the exceptional service and worldclass support they have been accustomed to receiving. Users will be seamlessly migrated over to the Neustar
infrastructure in a process that will be fully transparent to them.

“A critical component of the overall DNS ecosystem, Recursive DNS is responsible for navigating and connecting
outbound business interactions, such as email and service portal APIs, to the open Internet and externalcustomers,” said Brian McCann, President of Security Solutions at Neustar. “The addition of Verisign Public DNS
to the Neustar family will utilize our recently upgraded DNS network infrastructure with extra capacity for trillions ofqueries per day and enhance our visibility into potential threats at the DNS layer, further increasing our ability todeliver world-class security services that our customers depend upon.”This latest acquisition builds on the addition by Neustar of Verisign’s DDoS and DNS customers, announced inNovember 2018. Neustar features one of the industry’s most comprehensive security portfolios comprised ofDDoS mitigation, web application firewall (WAF), authoritative and recursive DNS, IP and threat intelligence, andwebsite performance management.

“Verisign is committed to focusing on its core mission of providing critical internet infrastructure, including Root
Zone management, operation of 2 of the 13 global internet root servers, operation of .gov and .edu, andauthoritative resolution for the .com and .net top-level domains, which support the majority of global e-commerce.
For this reason, Verisign is transitioning its Public DNS service to Neustar. Neustar has been focused onNeustar, Inc. 21575 Ridgetop Circle, Sterling, VA 20166 USA +1.571.434.5400

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providing specialized security solutions for many years. Given this experience, we believe Neustar is well-suited
to continue to deliver the innovative solutions and world-class performance to which Verisign’s Public DNS users
are accustomed,” said Eb Keshavarz, Verisign Senior Vice President, Product.

Neustar’s DNS solutions include Neustar UltraDNS, an enterprise grade, cloud-based authoritative DNS service
that securely delivers fast and accurate query responses to websites, and Neustar UltraDNS Firewall, a cloudbased security solution built on top of Neustar’s recursive DNS service that delivers reliable built-in security andthreat protection. Neustar’s unique DNS Shield™ network secures private domain name system connections
between Neustar and its partners, and strengthens defenses against attacks by removing traffic entirely from thepublic internet. Neustar UltraDDoS Protect provides a cloud-based, always-on approach to quickly stop thelargest DDoS and highly sophisticated web application threats without reducing network performance or adding
additional levels of complexity to customers’ existing security strategies. These products are part of the broad
Neustar security portfolio that leverages the unique OneIDTM system of trusted identity, which enhances theefficacy of detecting incoming threats and attacks.

About Neustar
Neustar is an information services and technology company and a leader in identity resolution providing the dataand technology that enables trusted connections between companies and people at the moments that mattermost. Neustar offers industry-leading solutions in Marketing, Risk, Communications and Security that responsiblyconnect data on people, devices, and locations, continuously corroborated through billions of transactions.
Neustar serves more than 8,000 clients worldwide, including 60 of the Fortune 100. Learn how your company canbenefit from the power of trusted connections here: home.neustar.

Media Contact
Pete Johnson
Finn Partners for Neustar, Inc.
T. 503-546-7880
Pete.Johnson@finnpartners.com

Neustar, Inc. 21575 Ridgetop Circle, Sterling, VA 20166 USA +1.571.434.5400

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