[SURBL-Discuss] Why are subdomains not blacklisted?

Kelly Jones kelly.terry.jones at gmail.com
Thu Nov 23 22:10:23 CET 2006

I received two separate spams advertising
"uztiuqhcsgdnhsx.kennevur.com" and "678.com.plaweresoft.com" as the

multi.surbl.org lists the domains as blacklisted:

> host kennevur.com.multi.surbl.org
kennevur.com.multi.surbl.org has address

> host plaweresoft.com.multi.surbl.org
plaweresoft.com.multi.surbl.org has address

but not the subdomains:

> host uztiuqhcsgdnhsx.kennevur.com.multi.surbl.org
Host uztiuqhcsgdnhsx.kennevur.com.multi.surbl.org not found: 3(NXDOMAIN)

> host 678.com.plaweresoft.com.multi.surbl.org
Host 678.com.plaweresoft.com.multi.surbl.org not found: 3(NXDOMAIN)

Why? Wouldn't it be easy/sensible to wildcard the blacklist to include

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