DNS Servers
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UltraDNS Public Public recursive DNS server

A free global recursive DNS service operated by Vercara (part of DigiCert), the present home of the former Neustar and Verisign public resolver addresses. Offered in unfiltered, threat-protection and family tiers.

By Vercara (DigiCert, Inc.), a private company from the United States of America.

Unfiltered

DNSSEC No Filter

Recursive resolution with no content filtering. Includes the former Verisign Public DNS addresses.

64.6.64.6
64.6.65.6
[2620:74:1b::1:1]
[2620:74:1c::2:2]

Threat Protection

DNSSEC

Blocks malware, ransomware, spyware and phishing domains.

156.154.70.2
156.154.71.2
[2610:a1:1018::2]
[2610:a1:1019::2]

Family Secure

DNSSEC

Threat-protection categories plus gambling, pornography, violence and hate content.

156.154.70.3
156.154.71.3
[2610:a1:1018::3]
[2610:a1:1019::3]