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SPF monitoring

SPF monitoring that tells you when the record changes

SPF monitoring watches the DNS record that lists who may send email for your domain. TLDTrack reads every domain's TXT records every few hours and alerts you when the SPF record changes, showing the exact record that was added or removed.

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01 · Steps

How it works

01

Add your domains

TLDTrack reads public DNS. There is nothing to install and it needs no access to your mail server.

02

It saves the current record

The first time TLDTrack reads a domain's TXT records, it stores them as the starting point without sending an alert.

03

It checks again every few hours

Each run reads the TXT records through Google's DNS, falling back to Cloudflare's. A lookup that fails keeps the stored value, so a DNS hiccup never looks like a deleted record.

04

You see exactly what changed

When the SPF record changes, the alert shows the old record removed and the new one added. It goes to the account owner and admins by email, to the mobile app, and to Slack, Teams or a webhook if you use them.

05

A daily strictness check

Once a day TLDTrack also checks the record is still there and still strict. If it disappears, or changes to let anyone send with +all or ?all, you get an alert.

02 · Checks

Checks you can run any time

Health check

Is the record there, and strict enough?

The email health panel flags a missing record, a +all or ?all that lets anyone send, and a record with no all at the end.

Email test

Does SPF pass on real mail?

Send a message to a one-time test address and TLDTrack reports whether SPF passed, and tells a permanent error apart from a fail. It counts the DNS lookups at the top level of your record, warns as you near the limit of 10, spots repeated mechanisms and IP addresses broken by a stray space, and writes a corrected record you can paste in.

Free tool

Check any domain

The free email deliverability test runs the same test without an account.

03 · Why it matters

How SPF breaks

When SPF fails, mail still sends. It just starts landing in spam, and you hear about it from the client.

Someone adds a new sender

A newsletter tool, a CRM, a helpdesk. Each one needs adding to SPF, and every edit is a chance to break the record.

Two records, or none

A second SPF record, or a deleted one, makes SPF fail for every message from the domain.

Too many lookups

SPF allows 10 DNS lookups. Go over and receiving servers treat the record as an error.

04 · Pricing

Simple, transparent pricing

Every paid plan starts with a 7-day free trial. Cancel during the trial and you won't be charged.

Free forever

Free

Monitor one site, free forever

$0/mo

1 website + 4 extra monitors

No credit card needed

  • Uptime checks every 5 minutes
  • Response time tracking
  • Domain expiry alerts
  • SSL certificate expiry alerts
  • Email alerts
Start free

7 days free

Starter

For individuals & small portfolios

$11/mo

Up to 5 websites

250 monitoring credits / month

  • Uptime, SSL, DNS & blacklist
  • Content & visual change monitoring
  • Accessibility (WCAG 2.2) monitoring
  • Email health & renewal alerts
  • PageSpeed & malware scanning
  • Free WordPress plugin
  • WHM & cPanel monitoring
  • Bulk import & export
  • Security, SEO & compliance scans
  • AI integration (Claude & ChatGPT)
Start free trial

Most popular

Pro

For active managers & agencies

$29/mo

Up to 25 websites

1,250 monitoring credits / month

  • Everything in Starter
  • Up to 5 team members
  • Client report builder
  • AI search visibility
  • Priority support
  • Security, SEO & compliance scans
  • AI integration (Claude & ChatGPT)
Start free trial

7 days free

Agency

For large portfolios & teams

$89/mo

Up to 100 websites

5,000 monitoring credits / month

  • Everything in Pro
  • Up to 20 team members
  • Agency CRM & white-label reports
  • Security, SEO & compliance scans
  • Dedicated support
  • AI integration (Claude & ChatGPT)
Start free trial

Bigger than 100 websites? Our Enterprise plan adds unlimited sites, custom data residency, an SLA, dedicated onboarding and custom integrations. Talk to us

*SMS alerts are an optional add-on on paid plans for UK mobile numbers, paid for with prepaid SMS credit packs. Prices exclude any applicable sales tax. Your card won't be charged during a paid-plan trial. Cancel anytime.

05 · Questions

Frequently asked questions

How often does TLDTrack check SPF?

The TXT records that hold SPF are read every few hours, and the record is checked for strictness once a day. You can also run the health check or an email test any time.

Who gets SPF change alerts?

The account owner and admins by email, plus the mobile app and any Slack, Teams or webhook destination you have set up.

Can I mute alerts for TXT records I change often?

Yes. DNS alerts can be muted by record type, for all your domains or for one. Muted records are still tracked.

Does it check DKIM and DMARC too?

Yes. The daily check also alerts when a DKIM key at one of 21 common selectors is removed or added, and when a DMARC record is removed or its policy changes.

Does the lookup count follow includes?

No. It counts the lookups at the top level of your record, and each include can add lookups of its own.
Mark Grice, founder of TLDTrack

Mark Grice, founder of TLDTrack. Runs FullyCoded, a Cornwall web agency, and built this to keep 500+ client sites in front of him every day.

What happens next

Watch SPF on every domain

Do it yourself

Start your free trial

Add your domains and TLDTrack reads their DNS on its next run. Your card is not charged for 7 days.

Start your free trial

Talk it through

Arrange a call with Mark

If you would rather talk through how this works across every site you look after, we can go through it together.

Book a call

See every check TLDTrack runs