Is uma-jin.net Safe?

uma-jin.net Domains registered with this registrar and caught in spam traps usually redirect to a Japanese R18 dating site at admens.jp It comes in spam as a link to this redirection site, for example http://pr01.hmgprwj.info/pc/userprof.php Click on the link and you get redirected thus: Location: http://admens.jp/pc/top/?errno=1105 Sponsoring Registrar: GMO Internet, Inc. doing business as Onamae.com RSS.URIBL.COM listing shows RSS Feed: Listed Domains registered at GMO INTERNET, INC. D/B/A ONAMAE.COM AND DISCOUNT-DOMAIN.COM 62.8% - 184 of 293 domains registered are listed by URIBL in the 5 day period (June 2011) Registrant Name:Whois Protect Service Registrant Organization:GMO Internet Inc. Spammed URLs look like this http://pr01.hmgprwj.info/im/buypoint.php http://pr01.hmgprwj.info/im/support.php http://pr01.hmgprwj.info/pc/profile.php The admens.jp web site is in Japanese and English, and the featured brand is "Make Love" The base of the web page has "Copyright MakeLove All Rights Reserved"