Look up a company from a Slack domain
Convert a raw domain into useful company context while the thread is active.
Trigger
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Action
Reverse Lookup Company by Domain
Tool to find company information by domain. Use when you need to retrieve a company's profile and contact details based on its domain.
Why this helps
Domain clues are easy to postpone, leaving research scattered across tabs and notes.
- Speed up account research
- Keep findings tied to the conversation
- Give founders a concise company snapshot
Setup
Build it in a few focused steps.
- 1Connect Slackbot and Clearout once in Notis.
- 2Create an automation named Look up channel domains.
- 3Tell Notis to find domains in each channel message and return the matching company profile.
- 4Pick Channel Message Received, choose a report channel, and test with one domain.
Questions about this workflow
Can a URL be used instead of a bare domain?
Yes, instruct Notis to extract the domain from a URL before the lookup.
What if several domains are mentioned?
Notis can report a result for each domain it identifies.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slackbot to Clearout. A trigger fires from one place; an action lands in another.
Slackbot triggers
Clearout actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Autocomplete Company to Domain
Tool to autocomplete company names to probable domains with confidence scores. Use after obtaining a company name or URL to get suggestions.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Business Account Verify
Tool to check if an email belongs to a business/work account. Use when validating corporate emails before onboarding.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Catch-All Verify
Tool to check if an email domain is catch-all. Use after confirming email validity.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
Verify Disposable Email
Tool to check if an email is from a disposable provider. Use after acquiring an email address.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Find Domain MX Records
Tool to retrieve MX records for a domain in priority order. Use when you need to find a domain's mail servers (e.g., for email routing setup).
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Fetch Domain WHOIS Information
Tool to fetch WHOIS record for a domain. Use when you need WHOIS data for a domain.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
Bulk Email Finder
Tool to upload a CSV or XLSX contacts file for bulk email finding. Use when you need to find emails for a list of contacts in bulk.
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.
Cancel Bulk Email Finder Job
Tool to cancel a running bulk email finder job. Use when you need to stop an in-progress list scan before completion.
Connect any two apps with Notis in the middle.
Slackbot and Clearout, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
Save your first hour today.
7-day trial of any paid plan, with 20$ of usage included.
No card. Works with personal or business Clearout.