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Email list buildingVerified prospects by industry, title and location
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Data cleansingRemove bad, duplicate and outdated records
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Find emails
Email finderWork email from a name and company
Find email from LinkedInWork email from a LinkedIn URL
Email verifierIs this address safe to send to?
Reverse email lookupFind person info by email
Find LinkedIn by emailLinkedIn profile behind an email
Find phones and companies
Find phone from LinkedInPhone number from a LinkedIn URL
LinkedIn contact finderPhone and email from a LinkedIn profile
Find phone by emailPhone number from an email address
Reverse phone lookupProfessional details from a number
Company lookupSize, industry and revenue from a domain
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Check
Email copy spam checkerFind spam trigger words before you send
Domain scannerFull health report for a sending domain
SPF checkerValidate your SPF record
DKIM record checkerConfirm your DKIM signature is published
DMARC checkerRead and grade any DMARC policy
Create and plan
SPF record generatorBuild a correct SPF record in seconds
DKIM record generatorGenerate a DKIM key pair and record
DMARC record generatorPick a policy and copy the record
DNS lookupSee every DNS record for a domain
MX lookupWhich mail servers a domain uses
Cold email calculatorMailboxes, domains and volume you need
All 38 free tools
Lead finders, email checks and file converters in one place. No signup for the basics.
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PDF and documents
Color PDF to black and whiteGrayscale or B&W for printing
Compress PDF to 300KBHit an exact upload size
Combine JPG to PDFMerge images into one PDF
Bank statement to ExcelPDF statement to a spreadsheet
ODT to PDFLibreOffice documents to PDF
EML to PDFSaved emails to PDF
Text and subtitles
TXT to SRTScript to subtitle file
SRT to TXTSubtitles to clean text
VTT to SRTWebVTT captions to SRT
TXT to JSONText to valid JSON
TXT to CSVText file to CSV
Contacts, data and images
CSV splitterSplit big CSV files
CSV to VCFSpreadsheet to phone contacts
VCF to CSVvCard contacts to Excel
Email extractorPull emails out of any text
DNG to JPGRAW photos to JPG
PFP cropperCircle profile pictures
Your files never leave your device
Every converter runs in your browser. Nothing is uploaded or stored.
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By industry
Dentist email listPractices, owners and dental decision-makers
Physicians email listDoctors by specialty and location
Real estate agent listAgents and brokers across the US
Property searchOwner and property records for outreach
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Tag: spf 10 dns lookup limit

SPF Too Many DNS Lookups? Here’s How to Fix It

May 25, 2026

Verified B2B data, cold email infrastructure and outreach that lands in the inbox. Built and run by a team that sends every day.

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TXT to SRT
Color PDF to black and white
Bank statement to Excel
EML to PDF
DNG to JPG
PFP cropper

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