Perform a DNS lookup against multiple widely used nameservers around the world.
"250ok has built a best-of-breed platform that addresses the concerns of today's data-driven marketers."
VP of Industry Relations at SendGrid
Instantly check an IP or domain against major email blacklists including Spamhaus, SURBL, SORBS, and more.
Enter a CIDR notation to instantly convert it to an IP range.
SPF is a method to prevent email sender address forgery. Enter your domain to analyze its SPF record.
Enter a IP range to instantly convert it to a CIDR notation.
PeopleConnect, an online social networking service comprised of two products, Classmates and Intelius, uses an in-house solution to send email rather than an email service provider (ESP). 250ok’s all-in-one platform allowed Lori Deregt, marketing manager, to holistically manage Intelius from a single-point solution and customize the dashboard to focus on what she cares about most. […]
One of the most common questions reported by our users is also one of the most maddening to experience as a sender: A campaign is showing as 100% missing. What does this mean? Is this test still processing? Did everyone drop this? More to the point; what value does this even offer? After all, how […]
Anthony Chiulli, 250ok’s director of product marketing, conducted one more interview while at Shoptalk in Las Vegas! He spoke to Kandice Carlson, retail solutions product marketing, Google Cloud on the exhibit hall floor. Anthony and Kandice discussed the ever-buzzy AI and machine learning technology as it can apply to marketing, how brands successfully connect with […]