Knowledge Base
- Adding A Records to Domain
- How often do query reports update?
- Why Do Internal Hostnames Appear in UltraDNS Hostname Query Reports?
- Domain Not Resolving
- KSK Rollover
- Delegate a Classless IPv4 Reverse DNS Zone in UltraDNS
- Troubleshoot 554 Bad DNS PTR Resource Record Email Rejection
- Correct PTR Records Without Matching A Records
- What if my Registrar Doesn't Accept SHA1 DS Records for My Signed Zones?
- Test Recursive DNS Across Various Providers
- Does the "Removing the DNSSEC security from the zone cannot be undone" warning message mean that DNSSEC cannot be added back to a zone in the future?
- How to Convert a Secondary Domain into a Primary Domain in UltraDNS
- Verify Authoritative Name Servers for a PTR Record Reverse DNS Zone
- How to Add an MX Record in UltraDNS
- What Is Sender Policy Framework (SPF)?
- Creating a Subdomain within a Parent Domain
- Creating standalone subdomain/subzone
- Delegated Subdomain Not Resolving After Delegation to UltraDNS
- Create a CNAME Record in UltraDNS
- Zone Transfer Guide
- Does UltraDNS Check All Primary Name Servers Prior to Adding a Secondary Zone?
- Secondary Zones: How Does Reason for Last Failure Get Updated?
- Migrating DNS Traffic to UltraDNS
- How to Add NS (Nameserver) Records in UltraDNS
- Enable Automatic PTR Record Creation in UltraDNS
- Name Server Migration FAQ
- What is the difference between Fixed and Round Robin?
- How to Configure Primary and Failover Records in a SiteBacker Pool
- How to View and Export UltraDNS Audit Logs
- View UltraDNS Usage and Query Limits