EAI compatibility →
Check international email support.
TECHNICAL SUPPORT
Email and domain technical help
Understand the tools, interpret results and find authoritative technical references.
Start with your question
Checking your sending domain? Start with SPF, DKIM and DMARC. Working with international email? Explore EAI and Universal Acceptance. Each tool page explains its purpose, use and limitations.
A DNS record lookup alone cannot prove compliance or ensure delivery. For account-specific assistance, contact your email provider or administrator.
XgenPlus product support →Mail server connection check →
Check mail server connectivity before delivery.
UA readiness →
Explore Universal Acceptance readiness.
SPF analyzer →
Inspect a domain’s SPF record.
DKIM analyzer →
Look up a domain’s DKIM record.
DMARC analyzer →
Inspect a domain’s DMARC policy.
Punycode converter →
Convert internationalized domain names.
HTML entities converter →
Convert text to and from HTML entities.
Unicode to UTF-8 →
View UTF-8 bytes for your text.
Encode & decode →
Transform text using common encodings.
Mixed-script check →
Identify text using multiple scripts.
Homoglyph check →
Explore visually similar characters.
Homoglyph generator →
Explore lookalike character variants.