Are you on a static IP address with Zen, and if so you could set a Broadband Quality Monitor and put the public link in your sig. Like mine.
That might help us.
Kindness isn't going to cure the world of all its awfulness but it's a good place to begin. Daisy Ridley.
My broadband basic info/help site - www.robertos.me.uk. Domains, site and mail hosting - Tsohost.
Connection - AAISP Home::1 80/20. Sync 59240/14753kbps @ 600m. - BQM