Guided DNS Setup

Correct records, published, verified green.

Most deliverability incidents start with a DNS record that's missing, mistyped or over the lookup limit. SenderSignal generates SPF, DKIM, DMARC and the CNAMEs your stack needs, verifies them against live DNS, and can publish them for you in one click.

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dns · guided setup · acme.io
Record verification4/5 verified
How it works

Generate, verify, publish, in that order.

Guided setup walks each record from generated to green, and never asks you to guess what a “valid” record looks like.

Step 1 · Generate

Records built for your stack

Correct SPF, merging your existing record and counting DNS lookups against the RFC 7208 limit of 10, plus DKIM host/selector/value, DMARC, a return-path CNAME and a tracking-domain CNAME.

Step 2 · Verify

Checked against live DNS

SenderSignal queries live DNS and shows exactly what's missing or wrong on each record, then re-verifies until everything is green.

Step 3 · Publish

One click at supported providers

Connect Cloudflare, GoDaddy, Name.com or Dynadot and SenderSignal writes the records for you: preview the change, apply it, compare what's published, and stay in sync.

ESP-aware

It already knows your provider's records.

Generic DNS generators hand you a template and wish you luck. The 51-ESP catalog behind SenderSignal knows each provider's SPF includes and DKIM selectors, so what you publish matches what your stack actually sends with.

  • 51 ESPs cataloged, Klaviyo, Mailchimp, SendGrid, Amazon SES, Google Workspace, Microsoft 365, Zoho and more
  • SPF merge, not replace, your existing includes survive, with lookups counted against the RFC 7208 limit of 10
  • 4 publishing providers, Cloudflare, GoDaddy, Name.com and Dynadot, with a preview → apply → compare-published → sync flow
  • Powers Inbox Boost, DNS must verify before a ramp starts: publish → verify → start
spf · merge preview
Try before you sign up

Free deliverability tools, no login required.

The same record logic that powers guided setup is available as free public tools: SPF, DKIM, DMARC and BIMI checkers and generators, DNS lookups and more at sendersignal.com/tools. No account needed.

Free tool

SPF Checker

Paste a domain and see how its SPF record parses, what it includes and where it stands against the 10-lookup limit.

Check a record
Free tool

SPF Generator

Build a correct SPF record for your providers from scratch, then bring it into guided setup to verify and publish it.

Generate a record
Goes well with

Setup is step one, monitoring keeps it true.

Feature

Deliverability monitoring

SPF, DKIM, DMARC, MTA-STS, BIMI, TLS, MX and PTR, checked continuously.

Learn more Feature

Inbox Boost

Build sending reputation on new domains with an automated, safe ramp.

Learn more Feature

Blacklist monitoring

48 blacklist & reputation sources, scored 0-100 with trend history.

Learn more
Use case

Cold outreach

Ramp new sending domains safely and test placement before campaigns.

See the playbook Use case

SaaS & transactional

Keep resets, receipts and notifications out of the spam folder.

See the playbook
Questions

Guided DNS setup, explained.

Which records does guided DNS generate?
A correct SPF record (merged with your existing one, counting DNS lookups against the RFC 7208 limit of 10), the DKIM host, selector and value, a DMARC record, a return-path CNAME and a tracking-domain CNAME.
How does verification work?
SenderSignal checks the published records against live DNS and shows exactly what is missing or wrong, a stale SPF include, a mistyped DKIM value, a missing CNAME. It re-verifies until everything is green.
Which DNS providers support one-click publishing?
Four today: Cloudflare, GoDaddy, Name.com and Dynadot. Connect your provider and SenderSignal writes the records for you through a preview → apply → compare-published → sync flow, so you see the exact change before it lands. On any other provider you still get the exact records to paste, plus live verification.
Will the generated records match my ESP?
Yes. The 51-ESP catalog knows each provider’s SPF includes and DKIM selectors, Klaviyo, Mailchimp, SendGrid, Amazon SES and more, so the records SenderSignal generates match your actual sending stack rather than a generic template.
What if my SPF record is already near the lookup limit?
The generator merges your existing SPF record instead of replacing it, and counts DNS lookups against the RFC 7208 limit of 10 as it builds, so you find out about a limit problem before you publish, not after mail starts failing.
Can I try any of this without an account?
Yes, the free SPF Checker and SPF Generator at /tools run without a login (rate-limited). For DKIM, DMARC, CNAMEs, live verification and one-click publishing, you’ll want the full guided setup inside SenderSignal.
Start free in two minutes

Publish records you can prove are right.

Generate SPF, DKIM and DMARC for your exact stack, verify against live DNS, and publish in one click on supported providers.

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