Free CTI, so it can't be bad.
Last update: 2026-01-07
List of Out-of-Band / OAST interact.sh domains, intended for inclusing in detection rules or searches. Contains all servers found in SMTP services via Shodan query using product:"Interactsh SMTP Server" port:25 and extracted with jq -r '.data' | grep 220 | cut -d ' ' -f 2. Addtionally Interact.sh domains without SMTP were found and addedd with the query http.html:"<h1> Interactsh Server </h1>" and extracted with jq -r .data | grep Server | cut -d ' ' -f 2. A .-prefix format is used to clarify this requires a wildcard subdomain match. The list only contains active servers according to the Nuclei template dns-interactsh-detect.yaml.
List of Out-of-Band / OAST Burp Collaborator Server domains. Shodan queries: "X-Collaborator-Version", port:25 "Burp Collaborator Server ready". A .-prefix format is used to clarify this requires a wildcard subdomain match.