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ABOUT DMARC RECORD CHECK The DMARC Record Lookup / DMARC Check is a diagnostic tool that will parse the DMARC Record for the queried domain name, display the DMARC Record, and run a series of diagnostic checks against the record. Domain-based Message Authentication, Reporting, and Conformance (DMARC) is a mechanism for policy distribution by which an organization that is the originator of an email
ABOUT DMARC REPORT ANALYZER This tool will make DMARC Aggregate XML reports human readable by parsing and aggregating them by IP address into readable reports. DMARC Aggregate XML reports are sent by mail receivers (like Gmail, Yahoo!, & more) and include valuable data such as message volumes seen, SPF/DKIM Authentication rates, actions taken on the message (quarantine/reject), and more. The un-pa
ABOUT EMAIL HEADERS This tool will make email headers human readable by parsing them according to RFC 822. Email headers are present on every email you receive via the Internet and can provide valuable diagnostic information like hop delays, anti-spam results and more. If you need help getting copies of your email headers, just read this tutorial. Your IP is: | Contact Terms & Conditions Site Ma
Your IP is: | Contact Terms & Conditions Site Map Security API Privacy Phone: (866)-698-6652 | © Copyright 2004-2021, MXToolBox, Inc, All rights reserved. US Patents 10839353 B2 & 11461738 B2
About the SuperTool! All of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool. Input a domain name or IP Address or Host Name. Links in the results will guide you to other relevant tools and information. And you'll have a chronological history of your results. If you already know exactly what you want, you can force a particular test or lookup. Try some of these example
ABOUT SPF RECORD CHECK The SPF Record Check is a diagnostic tool that acts as a Sender Policy Framework (SPF) record lookup and SPF validator. This test will lookup an SPF record for the queried domain name, display the SPF Record (if found), and run a series of diagnostic tests (SPF Validation) against the record, highlighting any errors found with the record that could impact email delivery. Sen
ABOUT MX LOOKUP This test will list MX records for a domain in priority order. The MX lookup is done directly against the domain's authoritative name server, so changes to MX Records should show up instantly. You can click Diagnostics , which will connect to the mail server, verify reverse DNS records, perform a simple Open Relay check and measure response time performance. You may also check each
ABOUT BLACKLIST CHECK The blacklist check will test a mail server IP address against over 100 DNS based email blacklists. (Commonly called Realtime blacklist, DNSBL or RBL). If your mail server has been blacklisted, some email you send may not be delivered. Email blacklists are a common way of reducing spam. If you don't know your mail server's address, start with a MX Lookup. Or, just send a
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