Alternatives to Spamhaus IP and Domain Reputation Checker
Online lookup that shows whether an IP address or domain appears on Spamhaus blocklists. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Spamhaus IP and Domain Reputation Checker
Online lookup that shows whether an IP address or domain appears on Spamhaus blocklists.
Replacements
Listings that take over the same core job as Spamhaus IP and Domain Reputation Checker.
MXToolbox Blacklist Check
An online tool that tests a mail server IP or domain against over 100 DNS blacklists.
MXToolbox Blacklist Check tests an IP or domain against over 100 DNS blacklists in one pass instead of only the Spamhaus lists.
MultiRBL
A free tool that checks a mail server IP against over 200 DNS blacklists and whitelists.
MultiRBL checks a mail server IP against over 200 blacklists and whitelists with IPv6, FCrDNS and Whois checks, but offers no removal help.
Sender Score
Free web tool from Validity that rates the email sending reputation of an IP address or domain.
Sender Score rates an IP or domain using Validity's data and includes a Return Path Blocklist lookup with a removal request option.
HetrixTools
A hosted uptime, server metrics and blacklist monitoring service with a free tier and instant alerts.
HetrixTools adds ongoing blacklist and uptime monitoring with alerts through channels like Telegram and Slack, but requires an account.
Barracuda Reputation Lookup
Online lookup that checks whether an IP address or domain is listed in the Barracuda Reputation System.
Barracuda Reputation Lookup covers only the Barracuda Reputation System list, with a removal request form on the same site.
Cisco Talos Reputation Center
Online lookup for Cisco Talos reputation and threat intelligence on IP addresses and domains.
Cisco Talos Reputation Center shows Cisco's own reputation data for IPs and domains, with disputes handled through a separate support site.
Similar software
Related functionality, not a direct replacement.
MXToolbox
A web-based suite of DNS, MX, SPF, DMARC and blacklist lookups for diagnosing email delivery.
Google Postmaster Tools
Google's web dashboard for checking a sending domain's reputation and mail deliverability to Gmail.
Microsoft SNDS
Microsoft portal that shows senders how Outlook.com rates mail coming from their IP addresses.
GlockApps
An online email deliverability tester that checks inbox placement, spam scores, blocklists and domain authentication.
Mail Tester
A web tool that scores how likely an email is to be marked as spam.
URLVoid
Website reputation checker that looks up a domain against more than 30 blocklist services.
