Meralume Labs
Focused software for sales, marketing, and everyday operations.
Validate contact data, run outreach, publish content, and start your day with email replies ready to review. Explore products built around specific jobs and find the one you need.
Find the product for the job.
11 products
Explore the portfolio, see what each product does, and visit its website to get started.
Sales and customer data
Check contact data with LookValid, run email campaigns in ColdAgentAI, and send voicemail follow-ups with VoiceDeliver.
Data validation and enrichment
LookValid
Validate and enrich emails, phone numbers, IP addresses, and domains with one API key and one credit balance.
Explore LookValidRingless voicemail
VoiceDeliver
Send voicemail reminders, confirmations, and follow-ups in your own cloned voice.
Explore VoiceDeliverManaged cold email
ColdMeetings
Get cold email managed for you, from sending-domain setup to campaign execution.
Explore ColdMeetingsCold email software
ColdAgentAI
Run your own cold email campaigns with an AI agent handling the follow-ups.
Explore ColdAgentAI
Content and productivity
Automated blog publishing
BlogAutoPost
Create and publish AI-written blog posts on a schedule.
Explore BlogAutoPostEmail assistant
InboxNight
Start your day with email replies drafted and ready for review.
Explore InboxNight
Business operations
Free-trial screening
TrialValid
Check payment cards during free-trial signup to help screen for abuse.
Explore TrialValidEmployee retention alerts
QuitRadar
Get alerts about potential employee departure risk so you can prioritize retention conversations.
Explore QuitRadar
More from Meralume
Temporary US numbers
NumberBurn
Get a temporary, receive-only US number and discard it when you’re done.
Explore NumberBurnCreator campaigns
ViewPayout
Fund a creator bounty and pay based on the views their content earns.
Explore ViewPayoutCrypto prediction tracking
CoinReceipts
Track crypto calls, compare results, and see the receipts behind the leaderboard.
Explore CoinReceipts
One API for email, phone, IP, and domain checks.
LookValid
Validate and enrich data with a single API key and credit balance. Try the free web tools, or connect LookValid to your workflow through the API or MCP server.
Email Domain Check
- Syntax
- Valid
- Domain
- example.com
- Mail servers
- None, null MX record
- Disposable domain
- No
- Free provider
- No
What this means
The address is written correctly, but example.com publishes a null MX record, which means the domain accepts no email. Mail sent to this address cannot be delivered.
Can I try LookValid before creating an account?
Use the free web tools to try supported lookups without signing up.
Open the free toolsKnow what you’re signing up for.
FIG 0.1
Public pricing
See the plans and what they include before you sign up.
FIG 0.2
Product documentation
Read how the product works and decide whether it fits your needs.
FIG 0.3
A clear way to get help
Find product support on each website, or contact Meralume Labs with questions about the portfolio.
Each product has its own website, account, and plans.
Need help choosing?
Tell us what you’re trying to get done. We’ll help you find the most relevant product.
For product questions or anything about Meralume Labs, email hello@meralume.com.