Problem retrieving from https://vl.ripple.com 337047686:certificate verify failed

[Sallery-X]

(NOTE: Please use this template while reporting a bug and provide as much info as possible)

Bug description
Problem retrieving from https://vl.ripple.com 337047686:certificate verify failed
Expected behavior

Steps to reproduce the bug

Environment:centos

• Version:
• Cloud provider or hardware configuration:
• OS (e.g: cat /etc/os-release):
• Others:

[enhellowhy]

Can you try changing https://vl.ripple.com to http://vl.ripple.com in your validators.txt?
The validator list itself is signed, so no TLS won't be an issue.

[Sallery-X]

According to your solution,it works. I'll watch it for a while.
Thanks~~