SURBL Application

The following page provides details on domains, networks, IPs, hosting services, and content delivery networks used by SURBL.

What is SURBL?

SURBL Logo

SURBL - Cybersecurity
SURBLs are lists of web sites that have appeared in spam messages. Unlike most lists, SURBLs are not lists of message senders.


SURBL Domains

surbl.org is the primary domain associated with SURBL.


Core Networks

Applications are sometimes deployed on partner networks, parent company networks, or regional hosting providers. The following is a sample of SURBL IP addresses deployed on this type of network.

Network IP
Cisco Secure Email Icon Cisco Secure Email 184.94.240.109

Hosting

SaaS Sample IP
Hetzner Icon Hetzner 167.235.149.163
Cogent Icon Cogent 38.124.232.194
OVHcloud Icon OVHcloud 217.182.183.225

To scale its compute capacity and optimize resources, SURBL leverages a multi-cloud architecture.