Registrar IDs| www.iana.org
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.| mxtoolbox.com
DMARC Records standardize how mail originators associate and authenticate domain identifiers with messages, handle message policies using those identifiers, and report about mail using those identifiers. According to RFC 7489, the DMARC mechanism for policy distribution enables the strict handling of email messages that fail authentication checks, such as SPF and/or DKIM. If neither of those authentication methods passes, DMARC tells the receiver how to handle the message, such as junk it (qu...| mxtoolbox.com
Technical setup of your email server and domain plays a key role in the deliverability of your email outreach campaigns.| A Complete Guide to Cold Email Outreach • Hunter
Blocklists contain information about known spammers. Getting listed can be very damaging to your email deliverability.| A Complete Guide to Cold Email Outreach • Hunter
The ICANN registration data lookup tool gives you the ability to look up the current registration data for domain names and Internet number resources.| lookup.icann.org
Sender reputation is a measure of how much your domain and your server can be trusted by email servers that receive your emails.| A Complete Guide to Cold Email Outreach • Hunter