Mxtoolbox

WebThe 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 …
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WebGet full visibility of your domain's health status in one concise report. Identify every problem facing your domain, including blacklist, mail server, web server, and dns issues.
WebThe blocklist check will test a mail server IP address against over 100 DNS based email blocklists. (Commonly called Realtime blocklist, DNSBL or RBL). If your mail server has …
WebThe DNS Check test will run a comprehensive DNS Report for your domain. A DNS lookup is done directly against the root servers (or TLD Servers). Then we query each name …
WebThis 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, …
WebThe 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 …
WebCreate or edit DMARC/DKIM/SPF records, validate that all DNS records critical to email delivery are correct, test IPs/domains/hostnames for blacklist/reputation problems, …
WebThe DKIM Check tool will perform a DKIM record test against a domain name and selector for a valid published DKIM key record. DomainKeys Identified Mail (DKIM) defines a …
WebHow does MxToolbox help? We provide a free online blacklist check tool, where you can check if your domain or IP address is blacklisted. You can also learn how to get off and …
MxToolbox supports global Internet operations by providing free, fast and accurate network diagnostic and lookup tools. Millions of technology professionals use …
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