See which domains are hosted on a reported IP
When a channel investigation confirms an IP, check the domains hosted on it to widen the team's view of the issue.
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
A confirmed IP can leave investigators wondering what else is associated with it, adding another manual research task.
- Extends an IP investigation to associated hosted domains
- Keeps a follow-up research step from being forgotten
- Returns findings through the Notis run report
Setup
Build it in a few focused steps.
- 1Connect Slack and Ip2location io to Notis once.
- 2In Automations, create a new automation, or ask Notis conversationally for this result.
- 3Use one instruction to identify a confirmed IP in a Slack investigation message and retrieve domains hosted on that IP.
- 4Select Channel Message Received and choose where run reports should go.
- 5Test with a real message containing an IP that the team has confirmed.
Questions about this workflow
Why does the prompt say confirmed IP?
The action is intended for a known IP address; describe your review process so Notis uses it after the team confirms the address.
Does this action return geolocation?
No. It retrieves domain names hosted on the IP.
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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