is a free service to check if your IP address is blacklisted, a common cause of email delivery issues. Only a small number of blacklists affect your email delivery. With, you can find out if you're on any of the blacklists most relevant to Ireland.

What is an IP address?

An IP address (Internet Protocol address) is a unique address that computers and other devices use in order to identify and communicate with each other on a computer network. An IP address simply identifies a specific computer on a network. More FAQs...

About IE Internet

IE is a leading Irish technology company that provides managed email and application hosting services for business. is a service we have developed with the needs of our customers in mind. is a service provided free of charge by IE We providea real-time blacklist checker, letting you know if your IP address is on a spam blacklist. only checks against blacklists that are widely used, and therefore relevant, in Ireland.


IE is a technology company which specialises in provisioning managed Internet services to organisations of any size. Our resources, expertise, and financing goes towards optimising our products and services. Founded in 1998 to address the lack of affordable and stable shared hosting in the Irish market place, IE is Ireland's longest established provider and one of the first in Europe. 




IE was also the first company in Ireland to offer a completely managed Anti-Virus, Anti-Spam and Content Filtering service for email. Following on from this success, we are the only authoritative source of information on how viruses and spam affect Irish businesses.




IE has grown and developed an expert knowledge base providing cost effective, bespoken managed services to organisations with diverse needs. Unrivalled technical competence combined with a meticulous track record continue to be the foundations for our growth.


Rather than diversifying into a variety of related fields, IE have become specialists at delivering cost-effective professional hosting solutions. This focused approach has enabled us to foster close and long-term relationships with our clients and dedicated development experts.


Our resources, expertise, commitment, support and financing is all focused toward optimising our products and services. is just one of the many services that we have developed with the needs of our customers in mind.