TLS dane-chain extension: viability in browsers and the like...

If you want to (some day) see DANE support in browsers and other existing applications where adoption would be necessarily incremental, please read and consider responding on the IETF TLS WG list to:

https://www.ietf.org/mail-archive/web/tls/current/msg25937.html

the parent thread is:

https://www.ietf.org/mail-archive/web/tls/current/threads.html#25929

where you mind other posts that flesh out the pros/cons. And of course please take a look at the draft to make your own first-hand conclusions:

https://tools.ietf.org/html/draft-ietf-tls-dnssec-chain-extension-07