No More SPF Errors
spFlat! service automatically flattens your SPF records, preventing DNS lookup limit violations that cause email delivery failures. Stay within the 10-lookup limit and ensure reliable email delivery.
Never exceed the SPF lookup limit again. Boost your email deliverability by up to 15% with spFlat!
Problem: SPF include chains silently push domains over the 10-lookup limit.

From a quick SPF audit to hands-off flattening — no manual DNS lookups or spreadsheet tracking.
Use the free lookup above to see how many DNS lookups your SPF chain uses and whether you are over the 10-lookup limit.
Start your free trial, create an organisation, and add your domain with the same SPF includes you use today. spFlat! resolves and flattens them for you.
Copy the recommended SPF record into your DNS. spFlat! monitors provider IP changes and keeps your flattened record updated 24/7.
Your SPF record might look like this, with multiple includes that can exceed the 10 DNS lookup limit:
v=spf1 include:_spf.google.com include:spf.protection.outlook.com include:mailgun.org ~allspFlat! converts it to a flat record with direct IP addresses, using only 1 DNS lookup:
v=spf1 ip4:209.85.128.0/17 ip4:209.85.128.0/17 ip6:2606:4700::/32 ~allAutomatically updated 24/7 as email providers change their IP ranges
spFlat! service automatically flattens your SPF records, preventing DNS lookup limit violations that cause email delivery failures. Stay within the 10-lookup limit and ensure reliable email delivery.
Set it and forget it. spFlat! continuously monitors and updates your SPF records 24/7 as email providers change their sending IPs, ensuring optimal email authentication and 99.9% uptime for your email delivery.
Avoid spam folders and email rejections completely. Properly managed SPF records improve your sender reputation and increase inbox placement rates by up to 15%, ensuring your emails reach the inbox every time.
Pay only for the domains you need to manage - no hidden fees
Enterprise-grade security and reliability for your email infrastructure
Hosted by an ISO 27001 and NEN 7510 certified company ensuring the highest security standards and GDPR compliance
Reliable infrastructure monitored 24/7 ensures your SPF records are always up-to-date and accessible
Continuous monitoring from 12 worldwide locations ensures optimal email delivery for 1000+ organizations