us21.list-manage.com.

Last scanned: 19 Apr 2026 at 10:19 UTC

Associated IPs (1):

23.39.5.147

Domain Hierarchy

Parent: list-manage.com.
Direct Subdomains (2):
mc.us21.list-manage.com. polymerlabs.us21.list-manage.com.
Historically Associated IPs
23.41.19.130

Open Ports (2)

80/http 443/https
Detailed Open Ports
Port Protocol State Service Product Banner / Title
80 tcp open http — Did not follow redirect to https://us17.list-manage.com/
443 tcp open https — Did not follow redirect to https://mailchimp.com/about/mcsv-static