[ih] Funny how things work out

John R. Levine johnl at iecc.com
Wed Feb 3 07:48:12 PST 2021


> geoff at radiomail.mpk.ca.us which then gets summarily CNAME'd to radiomail.net
> (and in the process picks up radiomail.net's MX record) and delivers it to
> me on strange.networkguild.org's server, viz.:
>
> radiomail.mpk.ca.us.    900     IN      CNAME   radiomail.NET.

$ host iecc.cambridge.ma.us
iecc.cambridge.ma.us is an alias for ivan.iecc.com.
ivan.iecc.com has address 64.57.183.33
ivan.iecc.com mail is handled by 1 ivan.iecc.com.

Mine works too, but it gets 100% spam now so I've routed it into a 
spamtrap.

>
> sdf% mail geoff at radiomail.mpk.ca.us
>
> Subject: foo
>
> bar
>
> EOT
>
> sdf% host radiomail.mpk.ca.us
>
> radiomail.mpk.ca.us is an alias for radiomail.net.
>
> radiomail.net has address 66.228.61.115
>
> radiomail.net mail is handled by 20 strange.networkguild.org.
>
> sdf%
>
> On Tue, Feb 2, 2021 at 4:40 PM John Levine <johnl at iecc.com> wrote:
>
>> In article <CAEf-zrj9tZRT=uCxbZSLGC=
>> Z82vy1wijuV4sn_+bi83Vdu06Dw at mail.gmail.com> you write:
>>> say,  for the sake of an illustrative example:
>>>
>>> fernwood.mpk.ca.us ==> fernwood.cambridge.ma.us
>>
>> Seems to have happened, although a lot of the CNAMEs are lame now.
>>
>> R's,
>> John
>>
>> inwap.FREMONT.ca.us.    7200    IN      CNAME
>> c677793-a.FRMT1.SFBA.HOME.COM.
>> lieb.FREMONT.ca.us.     7200    IN      CNAME   suntan.FREMONT.ca.us.
>> www.liebs.FREMONT.ca.us. 7200   IN      CNAME   liebs.FREMONT.ca.us.
>> msjhs.FREMONT.ca.us.    7200    IN      CNAME   www.msjhs.ORG.
>> terry.FREMONT.ca.us.    7200    IN      CNAME   vhost.NETMUG.ORG.
>> cindy.irv.ca.us.        900     IN      CNAME   cindy.ics.uci.EDU.
>> radiomail.mpk.ca.us.    900     IN      CNAME   radiomail.NET.
>> ftp.red-bluff.ca.us.    900     IN      CNAME   www.red-bluff.ca.us.
>> pop.red-bluff.ca.us.    900     IN      CNAME   www.red-bluff.ca.us.
>> smtp.red-bluff.ca.us.   900     IN      CNAME   www.red-bluff.ca.us.
>> www.abeln.fort-lauderdale.fl.us. 900 IN CNAME
>> abeln.fort-lauderdale.fl.us.
>> ftp.gary.in.us.         900     IN      CNAME   garyinweb.datamine.NET.
>> gary.in.us.gary.in.us.  900     IN      CNAME   garyinweb.datamine.NET.
>> www.gary.in.us.         900     IN      CNAME   garyinweb.datamine.NET.
>> www.KIDS.us.            3600    IN      CNAME
>> WS-PR-www-kids-us-2136635976.us-east-1.elb.amazonaws.com.
>> www.energize.ks.us.     900     IN      CNAME
>> www.energize.lawrence.ks.us.
>> www.port-allen.la.us.   900     IN      CNAME   home.verio.COM.
>> iecc.cambridge.ma.us.   900     IN      CNAME   ivan.iecc.COM.
>> next.cambridge.ma.us.   900     IN      CNAME
>> pleasant.pleasant.cambridge.ma.us.
>> k1bc.lex.ma.us.         900     IN      CNAME   k1bc.lexington.ma.us.
>> liquid.albany.ny.us.    900     IN      CNAME   lsd.ORG.
>> www.briarcliff-manor.ny.us. 900 IN      CNAME   briarcliff-manor.ny.us.
>> www.ithaca.ny.us.       900     IN      CNAME   fallcrk.tc.cornell.edu.
>> ns1.appliedtheory.com.nyc.ny.us. 900 IN CNAME   NS1.APPLIEDTHEORY.COM.
>> ns2.appliedtheory.com.nyc.ny.us. 900 IN CNAME   NS2.APPLIEDTHEORY.COM.
>> ns3.appliedtheory.com.nyc.ny.us. 900 IN CNAME   NS3.APPLIEDTHEORY.COM.
>> www.nyc.ny.us.          900     IN      CNAME   nyc.ny.us.
>> www.bandon.or.us.       900     IN      CNAME   bandon.or.us.
>> philly.flp.lib.pa.us.   900     IN      CNAME   flpsys.library.phila.gov.
>> barrstl.scol.pa.us.     900     IN      CNAME   dsb100.sip.psu.EDU.
>> www.memphis.tn.us.      900     IN      CNAME   www.memphis.NET.
>> www.nashville.tn.us.    900     IN      CNAME   www.nashville.NET.
>> pigeonforge.tn.us.      900     IN      CNAME   pigeon-forge.tn.us.
>> calendar.home.AUSTIN.tx.us. 432000 IN   CNAME   ghs.google.com.
>> docs.home.AUSTIN.tx.us. 432000  IN      CNAME   ghs.google.com.
>> mail.home.AUSTIN.tx.us. 432000  IN      CNAME   ghs.google.com.
>> sites.home.AUSTIN.tx.us. 432000 IN      CNAME   ghs.google.com.
>> start.home.AUSTIN.tx.us. 432000 IN      CNAME   ghs.google.com.
>> www.home.AUSTIN.tx.us.  432000  IN      CNAME   ghs.google.com.
>> WHOIS.us.               300     IN      CNAME   whois.nic.us.
>> www.WHOIS.us.           300     IN      CNAME   whois.nic.us.
>>
>>
>
>

Regards,
John Levine, johnl at taugh.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. https://jl.ly


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