so, the question is, why does the mx lookup fail?
are your [a-j].root-servers.net entries up-to-date?
i'm not able to replicate the failure here:

; fn dns { n=() {if (~ $#* 1) n=ip; echo $* $n | 9p rdwr dns/dns}}
; dns smtp.comcast.net mx

write: dns: resource does not exist

; dns smtp.comcast.net

        63.240.77.77

on a related note, is there a way to make the dns fileserver return all 
the answers for a given question? 

Russ Cox <[EMAIL PROTECTED]> writes

| 
| > the solution is probablly to add smtp.comcast.net in your ndb
| > database. maybe upas should lookup the a/aaaa record if there's
| > no mx record as a fallback. i'd be careful about doing that, though.
| 
| upas *does* look up the a record if the mx lookup says the name does not 
exist.
| it does not look up the a record if the mx lookup fails.
| 
| russ

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