A few years back, I looked into registering a *.sf.ca.us locality domain and Sonic was the registrar back then.

Now, I'm trying to recreate how I found that, and I can't. But if anyone is interested, try: hostmaster [at] 50N1C [dot] net (spell sonic correctly).

whois sf.ca.us

	▲	cmdoptesc an hour ago \| parent [-]
		For some reason, I was using ICANN's lookup (lookup.icann.org) which came up empty. But yes, a simple whois from the commandline gave me the right contact. Thanks!