Enter your domain to analyze your DMARC record or create a DMARC policy for your domain.
"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.
You read that right. We are so excited to announce 250ok now brings advanced email analytics to supercharge the email programs of four of the top six US retail ecommerce companies by sales share (as of September 2018), according to eMarketer. What does this mean for you? Oh, only that we’re a trusted partner for […]
Imagine… You are welcoming guests into your home for a party. As people start to file in, you greet them with smiles and hugs, exchanging hellos and kind words. There is your best friend who, thankfully, brought wine and dessert. You greet your co-worker, too, and briefly chat about the weather. As you get ready […]
We’re back with our next blog in our partnership with Lauren Meyer, Mailjet’s global VP of delivery & head of operations, North America. What are the things you should expect to encounter, positive and negative, when you start cleaning your email marketing lists via validation? Considerations for the Marketer If you checked out “Email Validation […]