Does the SPF record generator change my DNS?

No. It generates a TXT value you can copy. You still publish the record in your DNS provider.

Can I add to my existing SPF record?

Yes. Enter your domain, load the current SPF record from DNS, then add includes or IP addresses in the form before copying the updated value.

Where do I publish an SPF record?

Publish it as a TXT record at the root of the sending domain, usually shown as @ in DNS providers.

Can a domain have multiple SPF records?

No. A domain should have one TXT record that starts with v=spf1. Multiple SPF records cause a permanent error and can make SPF fail.

Should I use ~all or -all?

Use ~all while validating senders if you need a safer rollout. Use -all when you are confident every legitimate sender is included.

What should I put in include mechanisms?

Use the exact include domain from your email provider's SPF instructions, such as include:_spf.google.com. Do not invent include domains.

When should I use a or mx mechanisms?

Use them only when your domain's A or MX hosts really send outbound mail. Explicit includes or IP addresses are usually easier to audit.

Does the generator check the SPF lookup limit?

It validates syntax in the generated record. After publishing, use the SPF checker to run live DNS lookup count checks across nested includes.

SPF record generator

Start blank, or load the current SPF TXT record before adding authorized senders.

Generate SPF records without hand editing DNS syntax

SPF record builder

Build a valid SPF TXT value from sender includes, IP ranges, and policy choices, or load an existing domain record before adding new senders. After publishing, use the SPF checker to verify live DNS and lookup counts. For ongoing records that change as senders change, use Suped's hosted SPF or keep this SPF generator bookmarked for manual updates.

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"This clarity allows us to take action faster whether it's adjusting content, fixing authentication, or addressing reputation issues. We've moved from reactive guesswork to proactive management."

John Porteous

Group IT Manager

SPF generation that avoids common mistakes

Use the SPF record generator to create one clean TXT record, preserve existing senders, add new email platforms, and copy the exact DNS value to publish. It keeps SPF syntax readable so teams do not accidentally create duplicate records or weak all mechanisms.

SPF record

example.com

TXTv=spf1 include:_spf.google.com ~all

Clean TXT output

Copy one SPF value with includes, IP addresses, optional a or mx, and a clear all mechanism.

include:_spf.google.com

ip4:192.0.2.24

Guided sender additions

Add provider includes and sending IPs as structured entries instead of hand editing one long string.

+all~all-all

Safer rollout choices

Choose ~all while validating senders, then move to -all when your authorized sources are complete.

Record found

Single record

Record valid

Existing record import

Load a domain's current SPF record before extending it so existing authorized senders are preserved.

SPF record generator FAQs

Answers to common questions about creating, extending, and publishing SPF records.

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