SPF without the
10 lookup limit

Our Dynamic SPF solution is the best-in-class fix for the 10 lookup limit and the resulting SPF permerror.

Did you know?

4 Different Lookup Limits

Besides the commonly known 10 DNS lookup limit, the SPF standard defines 4 different lookup limits in total. If your SPF record exceeds any one of these limits, it will result in a SPF permerror which directly affects your email deliverability.

DNS
Lookup Limit
Max. 10
MX
Lookup Limit
Max. 10
PTR
Lookup Limit
Max. 10
Void
Lookup Limit
Max. 2
Check your SPF record:

Solve these limitations in one simple step.

How To Fix This

3 Different Solutions

If you search the web for how to fix the SPF 10 lookup limit – as well as the other lookup limits mentioned above – you will find 3 different solutions. Although you probably read about SPF flattening first, it’s not a proper solution for the reasons we explain below.

SPF Flattening

All IP addresses are extracted from your SPF record and then new SPF records are crafted which list all IP addresses one by one.

Advantages

Free
Easy to do with public tools

Disadvantages

Records can get outdated quickly
Risk of sudden email delivery issues
Max. ~230 IP addresses / ranges
Automatic
SPF Flattening

It works in the same way as SPF flattening but is repeated regularly to keep the flattened SPF records up to date.

Advantages

Records are always up to date
No risk of email delivery issues

Disadvantages

Max. ~230 IP addresses / ranges
Best In Class
Dynamic SPF
Instead of listing all IP addresses one by one, like automatic SPF flattening does, a special hierarchy of records can host any amount of IP addresses.
Advantages
Records are always up to date
No risk of email delivery issues
Unlimited IP addresses / ranges

Why choose a solution with disadvantages if you can get one without any?

Setting it up is simple and quick.

Pricing

Dynamic SPF

We offer our best-in-class solution at a predictable price. As your business and your email infrastructure grow, our price stays the same.

What’s included

  • Overcome all SPF lookup limits
  • Unlimited email volume
  • Easy set-up & no maintenance
  • Alerts for errors in your SPF record
  • Hosted on DNS servers with a 100% uptime SLA (AWS Route 53)
  • Helpful email support

Billing

Yearly
Monthly

€ 20

per domain per month

14 days for free. No credit card required.