@girish Yes, Thunderbird supports WKD.
From the Thunderbird FAQs it is explained like this:
Currently, it will search for published keys using the WKD protocol, and it will search for keys in the keys.openpgp.org keyserver.
Source:
https://support.mozilla.org/en-US/kb/openpgp-thunderbird-howto-and-faq#w_how-do-i-get-the-public-keys-of-my-correspondents
Slightly off-topic, but related:
Provider posteo also offers to publish public Keys via wkd, as described in this FAQ:
https://posteo.de/en/help/easygpg-how-do-i-publish-my-public-pgp-key-in-posteos-key-directory-via-web-key-directory-wkd