currently whois is built without iconv support which results in "unreadable" responses from the denic whois server: $ whois grün.de --verbose Using server whois.denic.de. Query string: "-T dn,ace -C US-ASCII xn--grn-ioa.de" % Error: 55000000013 Invalid charset for response without the charset flag, it works: $ telnet whois.denic.de whois Trying 81.91.170.6... Connected to whois.denic.de. Escape character is '^]'. -T dn,ace xn--grn-ioa.de % Copyright (c) 2010 by DENIC % Version: 2.0 ... please add HAVE_LIBICONV to emake, and it should work again.
should be set in 5.0.8