If you are using v2.13.1+ and has a large number of domain rul | Surfboard News
If you are using v2.13.1+ and has a large number of domain rules in your profile, I strongly recommand you to switch to the new DOMAIN-SET standard, which has a significant performance improvement compare to RULE-SET.
For more detail, please check https://getsurfboard.com/docs/profile-format/rule/domainset