Different DoT on two devices on the same network

I have two devices on the same home network which has been configured to utilize 1.1.1.1 for DNS (Apple Airport Extreme, Gen 4).

However, 1.1.1.1/help are displaying two different values for “Using DoT.”

Macintosh Laptop:
https://1.1.1.1/help#eyJpc0NmIjoiWWVzIiwiaXNEb3QiOiJObyIsImlzRG9oIjoiTm8iLCJyZXNvbHZlcklwLTEuMS4xLjEiOiJZZXMiLCJyZXNvbHZlcklwLTEuMC4wLjEiOiJZZXMiLCJyZXNvbHZlcklwLTI2MDY6NDcwMDo0NzAwOjoxMTExIjoiWWVzIiwicmVzb2x2ZXJJcC0yNjA2OjQ3MDA6NDcwMDo6MTAwMSI6IlllcyIsImRhdGFjZW50ZXJMb2NhdGlvbiI6IlJJQyIsImlzV2FycCI6Ik5vIiwiaXNwTmFtZSI6IkNsb3VkZmxhcmUiLCJpc3BBc24iOiIwIn0=

Android Mobile Phone:
https://1.1.1.1/help#eyJpc0NmIjoiWWVzIiwiaXNEb3QiOiJZZXMiLCJpc0RvaCI6Ik5vIiwicmVzb2x2ZXJJcC0xLjEuMS4xIjoiWWVzIiwicmVzb2x2ZXJJcC0xLjAuMC4xIjoiWWVzIiwicmVzb2x2ZXJJcC0yNjA2OjQ3MDA6NDcwMDo6MTExMSI6IlllcyIsInJlc29sdmVySXAtMjYwNjo0NzAwOjQ3MDA6OjEwMDEiOiJZZXMiLCJkYXRhY2VudGVyTG9jYXRpb24iOiJSSUMiLCJpc1dhcnAiOiJObyIsImlzcE5hbWUiOiJDbG91ZGZsYXJlIiwiaXNwQXNuIjoiMCJ9

Each of which have been configured to use 1.1.1.1, too.

What is accounting for the differences in the diagnostic display?

TIA!

I think I found my answer: I haven’t configured the Mac to use DNS over TLS. Whereas the Android was configured for DoT OOTB?

Hi, Android supports upgrading to DoT automatically since Android 9 with “Private DNS”: https://blog.cloudflare.com/enable-private-dns-with-1-1-1-1-on-android-9-pie/

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