Related to Branch.io. Appears to provide positive web experiences like formatting for mobile devices and platforms, but also hints at "deep linking," customer "retention," and branding and marketing. I've found it safe to block without negative impact so far. They publish Privacy Policy (https://branch.io/policies/#privacy), and state they collect personal information for ads, but do honor Do Not Track settings.
https://www.google.com/transparencyreport/safebrowsing/diagnostic/index.html#url=bnc.lt
Google’s Safe Browsing Site Status
Site Safety Details
Some pages on this website send visitors to the following dangerous websites: trycaviar.com.
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http://quttera.com/detailed_report/bnc.lt
Alert: Suspicious Content Detected On This Website!
Suspicious files: 1
index
Severity: Suspicious
Reason: Detected suspicious redirection to external web resources at HTTP level.
Details: Detected HTTP redirection to *****