This an example of Gigi 's nip05 info being propagated with the DNS system using #dnspub and retrieved as a TXT service record. Works in real-time for any npub. The URI is below.

_nip05.npub1dergggklka99wwrs92yz8wdjs952h2ux2ha2ed598ngwu9w7a6fsh9xzpc.npub.dnspub.xyz