No. 23 of 28 ·DNS Filtering Software

DigiCert UltraDNS

Web · Windows · Mac · API

Freedom report

Two barsScore 5.1

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely3 of 6 device platforms
DocumentedPlans, terms and facts published

DigiCert UltraDNS is ranked #23 of 28 in DNS filtering software on Freedom251. It runs on API, macOS, Web, Windows. There is no free plan.

DigiCert UltraDNS plans and pricing

All plans

UltraDNS (Premium) Not published Contact Sales Custom enterprise-scale query volumes · for enterprise organizations digicert.com · 30 Sept 2026

Compared on DNS filtering software

Free plan: No
DNSSEC signing: Yes
Geo-based steering: Yes
DNS health checks: Yes
Secondary DNS: Yes
API access: Yes

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The record

Product: DigiCert UltraDNS is a managed authoritative DNS platform for controlling DNS records, automating operations, routing traffic, and enforcing security policies across distributed environments.
Global scale: DigiCert says UltraDNS can manage up to 150 billion authoritative DNS queries per day.
Traffic management: UltraDNS provides advanced traffic management, including geographic and ASN routing and multi-cloud traffic steering.
Availability: The UltraDNS service level agreement guarantees 100% monthly availability for authoritative DNS query responses, subject to the SLA terms.
Redundancy: UltraDNS offers primary and secondary DNS options, including UltraDNS² as an independent secondary Anycast network.
Security: UltraDNS includes DNSSEC and built-in DNS DDoS protection.
Access controls: The UltraDNS solution sheet lists multi-factor authentication, SAML-based single sign-on, access control lists, and role-based security for DNS configuration.
Automation: UltraDNS provides an automation API and supports managing DNS changes through a web-based portal or REST API.
Integration: DigiCert CertCentral connects to UltraDNS using API credentials and can create and remove DNS TXT records to automate domain control validation.
Monitoring: The UltraDNS solution sheet says Health Check runs more than 50 checks on domains and Actionable Telemetry sends notifications about DNS changes.
Support: The UltraDNS Premium plan lists 24x7x365 support, and the solution sheet describes dedicated support from DNS experts.
Intended users: DigiCert positions UltraDNS Premium for enterprise organizations with high-volume, mission-critical DNS workloads.
Purchase terms: The UltraDNS Premium plan lists custom enterprise-scale query volumes and directs prospective customers to Contact Sales.
Founded: 2003

Where it ranks on Freedom251

Best DNS Filtering Software in 2026#23 of 28

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Sources

digicert.com/dns· checked 30 Sept 2026
digicert.com/digicert-dns· checked 30 Sept 2026
digicert.com/content/dam/digicert/pdfs/legal/service· checked 30 Sept 2026
digicert.com/content/dam/digicert/pdfs/datasheet/dig· checked 30 Sept 2026
digicert.com/integrations/ultradns· checked 30 Sept 2026