比如IP为111.111.111.111，打开这个网址（替换其中的IP地址）：
http://bgp.he.net/ip/111.111.111.111#_rbl
经过几秒钟的检查：Please wait while RBL checks are performed...
然后就会出现如下结果（显示PASS即IP没被列入邮件黑名单）：
- b.barracudacentral.org PASS
- bl.deadbeef.com PASS
- bl.emailbasura.org PASS
- bl.spamcannibal.org PASS
- bl.spamcop.net PASS
- blackholes.five-ten-sg.com PASS
- cbl.abuseat.org PASS
- cdl.anti-spam.org.cn PASS
- combined.njabl.org PASS
- combined.rbl.msrbl.net PASS
- dnsbl-1.uceprotect.net PASS
- dnsbl-2.uceprotect.net PASS
- dnsbl-3.uceprotect.net PASS
- dnsbl.ahbl.org PASS
- dnsbl.cyberlogic.net PASS
- dnsbl.inps.de PASS
- dnsbl.njabl.org PASS
- dnsbl.sorbs.net PASS
- drone.abuse.ch PASS
- dul.dnsbl.sorbs.net PASS
- dul.ru PASS
- dyna.spamrats.com PASS
- http.dnsbl.sorbs.net PASS
- images.rbl.msrbl.net PASS
- korea.services.net PASS
- misc.dnsbl.sorbs.net PASS
- noptr.spamrats.com PASS
- pbl.spamhaus.org PASS
- phishing.rbl.msrbl.net PASS
- psbl.surriel.com PASS
- rbl.spamlab.com PASS
- rbl.suresupport.com PASS
- sbl.spamhaus.org PASS
- short.rbl.jp PASS
- smtp.dnsbl.sorbs.net PASS
- socks.dnsbl.sorbs.net PASS
- spam.abuse.ch PASS
- spam.dnsbl.sorbs.net PASS
- spam.rbl.msrbl.net PASS
- spam.spamrats.com PASS
- spamrbl.imp.ch PASS
- tor.ahbl.org PASS
- ubl.unsubscore.com PASS
- virbl.bit.nl PASS
- virus.rbl.jp PASS
- virus.rbl.msrbl.net PASS
- web.dnsbl.sorbs.net PASS
- wormrbl.imp.ch PASS
- xbl.spamhaus.org PASS
- zen.spamhaus.org PASS
- zombie.dnsbl.sorbs.net PASS
