Practical tools for system, network, security, and operations administrators.

SEC

Security desk

Hashes, encodings, headers, and checks you would rather run yourself. Nothing here asks for an account.

193–216 / 915

Microsoft 365 DKIM Setup Generator

Live

Generate the exact DKIM Setup settings for sending via Microsoft 365. The result stays on this page.

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Microsoft 365 DMARC Alignment Checker

Live

Generate the exact DMARC Alignment settings for sending via Microsoft 365

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Amazon SES SPF Record Generator

Live

Generate the exact SPF Record settings for sending via Amazon SES. The result stays on this page.

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Amazon SES DKIM Setup Generator

Live

Generate the exact DKIM Setup settings for sending via Amazon SES. The result stays on this page.

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SendGrid SPF Record Generator

Live

Generate the exact SPF Record settings for sending via SendGrid. The result stays on this page.

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SendGrid DKIM Setup Generator

Live

Generate the exact DKIM Setup settings for sending via SendGrid. The result stays on this page.

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SendGrid DMARC Alignment Checker

Live

Generate the exact DMARC Alignment settings for sending via SendGrid. The result stays on this page.

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Mailchimp SPF Record Generator

Live

Generate the exact SPF Record settings for sending via Mailchimp. The result stays on this page.

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Mailchimp DKIM Setup Generator

Live

Generate the exact DKIM Setup settings for sending via Mailchimp. The result stays on this page.

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Mailgun SPF Record Generator

Live

Generate the exact SPF Record settings for sending via Mailgun. The result stays on this page.

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Mailgun DKIM Setup Generator

Live

Generate the exact DKIM Setup settings for sending via Mailgun. The result stays on this page.

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Zoho Mail SPF Record Generator

Live

Generate the exact SPF Record settings for sending via Zoho Mail. The result stays on this page.

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Zoho Mail DKIM Setup Generator

Live

Generate the exact DKIM Setup settings for sending via Zoho Mail. The result stays on this page.

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Brevo SPF Record Generator

Live

Generate the exact SPF Record settings for sending via Brevo. The result stays on this page.

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Brevo DKIM Setup Generator

Live

Generate the exact DKIM Setup settings for sending via Brevo. The result stays on this page.

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HubSpot SPF Record Generator

Live

Generate the exact SPF Record settings for sending via HubSpot. The result stays on this page.

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HubSpot DKIM Setup Generator

Live

Generate the exact DKIM Setup settings for sending via HubSpot. The result stays on this page.

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Zendesk SPF Record Generator

Live

Generate the exact SPF Record settings for sending via Zendesk. The result stays on this page.

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Zendesk DKIM Setup Generator

Live

Generate the exact DKIM Setup settings for sending via Zendesk. The result stays on this page.

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Klaviyo SPF Record Generator

Live

Generate the exact SPF Record settings for sending via Klaviyo. The result stays on this page.

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Klaviyo DKIM Setup Generator

Live

Generate the exact DKIM Setup settings for sending via Klaviyo. The result stays on this page.

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Shopify Email SPF Record Generator

Live

Generate the exact SPF Record settings for sending via Shopify Email. The result stays on this page.

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Shopify Email DKIM Setup Generator

Live

Generate the exact DKIM Setup settings for sending via Shopify Email. The result stays on this page.

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Ransomware Response Playbook Generator

Live

Response Playbook for ransomware incidents, tailored to your organisation

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