A CNAME domain doesn't appear as CNAME in the UI popup after some time

[uBlock-user]

Prerequisites

• I verified that this is not a filter list issue. Report any issues with filter lists or broken website functionality in the uAssets issue tracker.
• This is NOT a YouTube, Facebook or Twitch report. These sites MUST be reported by clicking their respective links.
• This is not a support issue or a question. For support, questions, or help, visit /r/uBlockOrigin.
• I performed a cursory search of the issue tracker to avoid opening a duplicate issue.
• The issue is not present after disabling uBO in the browser.
• I checked the documentation to understand that the issue I am reporting is not normal behavior.

I tried to reproduce the issue when...

• uBO is the only extension.
• uBO uses default lists and settings.
• using a new, unmodified browser profile.

Description

A CNAME domain doesn't appear as CNAME in the UI popup after some time

A specific URL where the issue occurs.

https://putlocker.pe/watch-tv/watch-the-lord-of-the-rings-the-rings-of-power-online-87087.10655554

Steps to Reproduce

• Browse to https://putlocker.pe/watch-tv/watch-the-lord-of-the-rings-the-rings-of-power-online-87087.10655554

• Watch the episode for some time OR switch episodes and wait for some time again then and open uBlock UI popup by clicking on the extension icon

jwplayer-dualstack.map.fastly.net which is a CNAME of ssl.p.jwpcdn.com doesn't appear in blue color as CNAME but rather any ordinary domain and in white color in the popup UI.

Expected behavior

Actual behavior

uBO version

1.59.1b21

Browser name and version

Firefox 130

Operating System and version

Windows 10

[uBlock-user]

fixed in gorhill/uBlock@c265e84