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DNS | Updated 2026
DNS report tools let you check your domain's DNS records, verify propagation, and diagnose email and website issues. Here are the tools we recommend and how to use them.
Ultra Web Hosting Tools
Use our built-in DNS and WHOIS tools
- tools.ultrawebhosting.com - DNS lookup, blacklist check, and more
- whois.ultrawebhosting.com - Domain WHOIS lookup
- upordown.ultrawebhosting.com - Check if a website is up or down
01. What to Check
- A records - The IP address your domain points to. Should match your hosting server's IP.
- MX records - Where email for your domain is delivered. Must point to the correct mail server.
- NS records - Your nameservers. Should be
ns1.ultranameservers.com,ns2.ultranameservers.com,ns3.ultranameservers.comif DNS is managed by us. - SPF / DKIM / DMARC - Email authentication records. See Email Authentication Guide.
- Propagation status - Check if DNS changes have reached servers worldwide.
02. Other Useful Tools
- cPanel Email Deliverability - Built-in SPF and DKIM checker under Email > Email Deliverability in cPanel
- cPanel Email Deliverability - Built into cPanel under Email > Email Deliverability, checks SPF and DKIM for your domain
For troubleshooting DNS propagation issues, see DNS Changed But Site Not Showing.
DNS Issues?
If your DNS report shows problems or you are not sure how to interpret the results, open a ticket with the domain name.
Open a Support TicketQuick Recap
- Use our tools at tools.ultrawebhosting.com and whois.ultrawebhosting.com
- Check A records for website, MX records for email
- tools.ultrawebhosting.com for DNS lookups and blacklist checks
- DNS Checker for propagation status worldwide
- cPanel Email Deliverability for SPF and DKIM verification
DNS tools and diagnostics · Last updated March 2026 · Browse all DNS articles
