PSBL Application
The following page provides details on domains, networks, IPs, hosting services, and content delivery networks used by PSBL.
What is PSBL?
PSBL - Cybersecurity
Passive Spam Block List (PSBL) is an easy-on, easy-off blacklist that does not rely on testing and should reduce false positives because any user can remove their ISP's mail server from the list.
PSBL Domains
surriel.com and psbl.org are the primary domains associated with PSBL.
Core Networks
Applications are sometimes deployed on partner networks, parent company networks, or regional hosting providers. The following is a sample of PSBL IP addresses deployed on this type of network.
| Network | IP | PoP | Category | Location |
|---|---|---|---|---|
Xfinity
|
2601:18c:8180:83cc:222:4dff:feaf:4cba | Core Network | ISP/Telco | United States |
|
Xfinity
|
96.67.55.145 | Core Network | ISP/Telco | United States |
Hosting
| SaaS | Sample IP | # of IPs |
|---|---|---|
Ionos
|
74.208.18.56 | 2 |
PSBL primarily uses Ionos for its cloud hosting needs.