DNS Toolkit vs SMTP Tester Pro

Unlock the full potential of DNS management with DNS Toolkit, a collection of DNS tools for IT professionals, network administrators, and enthusiasts. Whether you're troubleshooting DNS issues, validating configurations, or managing DNS records, DNS Toolkit provides all the essential features you need in one powerful app. Features: DIG Command: - Perform versatile DNS lookups for any record type (A, MX, TXT, etc.). - Retrieve detailed information about a domain's DNS configuration. Customize queries with various options and flags for in-depth analysis. Reverse Lookup: - Perform reverse DNS lookups to find the domain name associated with an IP address. SPF Generator and Checker: - Generate SPF (Sender Policy Framework) records to protect your domain from email spoofing. - Check existing SPF records to ensure they are correctly configured and meet best practices. DKIM Generator and Checker: - Create DKIM (DomainKeys Identified Mail) records to enhance your email security. - Validate existing DKIM records to ensure they are correctly implemented. DMARC Generator and Checker: - Generate DMARC (Domain-based Message Authentication, Reporting, and Conformance) records to improve your domain's email authentication. - Verify DMARC records to ensure compliance with email authentication standards. CAA Generator and Checker: - Generate CAA records for your favorite Certificate Authority - Check CAA records for given DNS names

Test any SMTP server from your iPhone or iPad. Enter the server, pick the encryption and login method, send a real test email, and see the complete SMTP conversation in a color-coded transaction log. SMTP Tester Pro is built for IT admins, developers and email administrators who need to know why mail isn't going out. Connection and security: - TLS modes: Require STARTTLS (port 587), Require TLS (SSL/TLS, port 465), Normal and Ignore TLS - Login methods: LOGIN, PLAIN, CRAM-MD5 and XOAUTH2, or no login for relays and test servers - Self-signed certificates and custom OpenSSL cipher suites - Adjustable timeout Real test emails: - To, CC and BCC with comma-separated addresses - HTML body with a built-in template and a plain-text fallback - File attachments from the Files app - Custom headers such as Reply-To or X-Priority Transaction log: - Every command and server reply, color-coded, with a color legend - Successful and failed sends are saved in the log, grouped by day - Search a log, show or hide timestamps, copy or share it - Clear error messages with the server's own reply and troubleshooting tips Templates: - Server settings for Microsoft 365, Gmail, Outlook.com, iCloud Mail, Yahoo Mail, AOL Mail, Zoho Mail, GMX Mail, Yandex Mail and Mail.com - Save your own servers as templates, stored encrypted on your device - Password-protected backup and restore of your templates Privacy and appearance: - Face ID lock and password visibility settings - Passwords and access tokens are never written to the log - Light, Dark and System appearance, adjustable log font size and colors - Works on iPhone and iPad