www.youtube.com

Which devices ask for it

• Hunter's MacBook ProApple, Inc.179
• Bedroom Samsung TVSamsung Electronics Co.,Ltd166
• Living room Apple TVApple, Inc.109
• PlayStation 5Sony Interactive Entertainment62

Where it resolves to

• 142.250.72.14United StatesAS15169258
• 151.101.65.69United KingdomAS54113251

What is being asked

• AAAA236
• A223
• HTTPS47
• PTR6
• TXT4

What has blocked it

Nothing. No rule on this box has matched it.

Others under youtube.com

No other hostname under it has been seen.