Follow confirmed IPs to their hosted domains
Once a team confirms an IP is relevant, get the domains hosted there to help decide whether the investigation needs a wider scope.
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
IP2WHOIS Hosted Domain
Tool to retrieve hosted domain names by IP address. Use when you need to list domains hosted on a given IP. Call after confirming the IP.
Why this helps
Teams can lose momentum after validating an IP because the next research step is separate and easy to overlook.
- Adds a clear follow-up to a confirmed IP lead
- Surfaces hosted domains for further assessment
- Reduces the chance that investigation work stalls
Setup
Build it in a few focused steps.
- 1Connect Slack and Ip2location io once in the Notis portal.
- 2Create an automation in Automations or ask Notis conversationally to create this workflow.
- 3Give Notis one instruction to find a confirmed IP in investigation messages and retrieve domains hosted on it.
- 4Select Channel Message Received and choose a channel for run reports.
- 5Test with a real investigation message containing a confirmed IP.
Questions about this workflow
Does this action confirm that a domain is malicious?
No. It lists domains hosted on the supplied IP; the investigation team decides what they mean.
Should I include unverified IPs?
Describe the team's confirmation cue in the prompt so the lookup follows your review process.
When this happens · Trigger
Do this · Action
Supported Triggers and Actions
Notis builds workflows that link Slack to Ip2location io. A trigger fires from one place; an action lands in another.
Slack triggers
Ip2location io actions
Recurring trigger
Notis starts this workflow on a schedule, such as daily, weekly, or during business hours.
Bulk IP Geolocation
Tool to retrieve geolocation information for multiple IP addresses in bulk. Use when processing up to 1000 IPs at once.
Webhook trigger
Notis starts this workflow when an external tool or custom backend sends an HTTP request.
Domain WHOIS Lookup
Tool to retrieve WHOIS information for a given domain. Use when you need domain registration and contact details via IP2WHOIS API.
New Channel Created Trigger
Triggered when a new channel is created in Slack.
Get API Key
Tool to retrieve the configured API key. Use when authentication is needed for IP2Location.io requests.
Channel Message Received
Triggered when a message is posted in a Slack channel (public, private, or multi-party IM). Does NOT match direct messages.
IP2WHOIS Hosted Domain
Tool to retrieve hosted domain names by IP address. Use when you need to list domains hosted on a given IP. Call after confirming the IP.
Direct Message Received
Triggered when a new direct message (DM) is sent to a user in Slack. Catches all DMs across all DM channels.
Message Reaction Added
Triggered when a reaction is added to a message in Slack. Supports optional filtering by channel and emoji name.
Message Reaction Removed
Triggered when a reaction is removed from a message in Slack. Supports optional filtering by channel and emoji name.
Reaction Added Trigger
DEPRECATED: use `SLACK_MESSAGE_REACTION_ADDED` instead. Triggered when a reaction is added to a message in Slack.
Connect any two apps with Notis in the middle.
Slack and Ip2location io, or any other combination from 1,000+ integrations.
When this happens · Trigger
Do this · Action
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