SPF / DKIM / DMARC
www.seoconsultants.com/tools/spf/
What is SPF? SPF fights return-path address forgery and makes it easier to identify spoofs. Domain owners identify sending mail servers in DNS. SMTP receivers verify the envelope sender address against this information, and can distinguish authentic me ...
This ajax enabled wizard will guide you through the process of creating or editing a SPF record for your DNS domain. You should add this DNS record to your domain's DNS configuration.
www.mtgsy.net/dns/spfwizard.php
This SPF wizard generates DNS records that can be added to your dns zone file based on the information you supply. Suitable for use with almost all dns servers that support TXT and SPF including Cloudfloordns.
Tcpiputils.com provides the ultimate online investigation tool. See detailed information about every IP address, domain name and provider. Perform network tests like DNS lookup, email testing and WHOIS lookup.
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The ultimate resource and tools site for email delivery, including DNS Tools, WHOIS Lookup, Blacklist Checker, IP Address converter, Spam Checker, and so much more.
We made available a plethora of free tools (located on the top navigation menu) ...
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