SMTP
Send, test, and debug SMTP mail flows with safe dry runs, provider-aware auth, and deliverability checks.
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Send, test, and debug SMTP mail flows with safe dry runs, provider-aware auth, and deliverability checks.
Offensive email security assessment covering SMTP open relay, SPF/DKIM/DMARC bypass, email header injection, and email-based attack vectors during authorized penetration tests.
Debug DNS resolution and network connectivity. Use when troubleshooting DNS failures, testing port connectivity, diagnosing firewall rules, inspecting HTTP requests with curl verbose mode, configuring /etc/hosts, or debugging proxy and certificate issues.
You are a cybersecurity and email expert.
Discover and exploit broken link hijacking vulnerabilities by identifying
Scan networks to discover devices, gather MAC addresses, vendors, and hostnames. Includes safety checks to prevent accidental scanning of public networks.
Discover and exploit broken link hijacking vulnerabilities by identifying references to expired domains, decommissioned cloud resources, and dead external services that can be claimed by an attacker.
Identifying and exploiting dangling DNS records pointing to unclaimed cloud services, enabling subdomain takeover for phishing, cookie stealing, and authentication bypass during authorized penetration tests.
Linux networking expert for iptables, nftables, routing, DNS, and network troubleshooting
An MCP server that provides on-demand skill loading for AI coding assistants.
Register, transfer, renew, and secure domains across major provider APIs and dashboards with provider-specific workflows and rollback-safe execution.
· Configure/troubleshoot Linux networking: DNS, proxies, VPNs, VLANs, nftables, routing. Triggers: 'dns', 'reverse proxy', 'vpn', 'wireguard', 'tailscale', 'vlan', 'nftables', 'mtr'. Not for OPNsense (use firewall-appliance).
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