It is even worse than I thought, you really want to stop efforts in
fighting phish, by muddling the waters between real domains and fake ones

sigh!

On Sun, Feb 7, 2016 at 1:02 PM, John R Levine <[email protected]> wrote:

> mailing list.  For example. mail from [email protected] turns into
>>> [email protected].
>>>
>>> Except that @yahoo.com.dmarc.fail is not a domain that exists, and will
>> negatively impact the email deliverability.
>>
>
> Why in the world would you say that?  It not only exists, it's DNSSEC
> signed which is more than you can say about linkedin.com.
>
> Forwarding email addresses in yahoo.com.dmarc.com exist for a couple of
> days after someone at the corresponding yahoo.com address sends mail
> through any of my mailing lists, same for any other address in a domain
> with a DMARC policy.
>
> R's,
> John
>
> ; <<>> DiG 9.8.3-P1 <<>> yahoo.com.dmarc.fail mx +dnssec
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 30940
> ;; flags: qr rd ra ad; QUERY: 1, ANSWER: 2, AUTHORITY: 6, ADDITIONAL: 1
>
> ;; OPT PSEUDOSECTION:
> ; EDNS: version: 0, flags: do; udp: 4096
> ;; QUESTION SECTION:
> ;yahoo.com.dmarc.fail.          IN      MX
>
> ;; ANSWER SECTION:
> yahoo.com.dmarc.fail.   3585    IN      MX      20 mail1.iecc.com.
> yahoo.com.dmarc.fail.   3585    IN      RRSIG   MX 8 2 3600 20160403000000
> 20160201054514 58563 dmarc.fail.
> IZIPS60KsnOEFMX/gYo/3o8zzlIzfhFTrmo2IkbKMLWoWQPIAwXLZRDk
> jXXmymrxYSJ1k3yUUVztCSKzDBWFu4WvYiUwpc9NbG3v7DdN1OwUkxcM
> RgjmqjMxwPcQI1RFoJkgPD1V3azJDOV/f73bd4HPimVD5r6SP/s/v3gc 1s8=
>
> ;; AUTHORITY SECTION:
> *.k1602._domainkey.dmarc.fail. 7185 IN  NSEC    dmarc.fail. TXT RRSIG NSEC
> *.k1602._domainkey.dmarc.fail. 7185 IN  RRSIG   NSEC 8 4 7200
> 20160403000000 20160201054514 58563 dmarc.fail.
> Ue/IR/Gdy4DJHsEJgToONRMP9j5Skyf8hxIHCCGPTyNc+URgtJFDpilS
> 21MTC7zuCIt4fIKV8x428VJDzg2fZzMFQNDuMmtvs8aLMVL6TGAfKlVQ
> NjbYowFrS6g5xTFpkm5SdJmNnLreymuVksVFeniO2Td2+bn2Vvr7hzfc iAw=
> dmarc.fail.             1429    IN      NS      sdn.iecc.com.
> dmarc.fail.             1429    IN      NS      osdn.iecc.com.
> dmarc.fail.             1429    IN      NS      light.lightlink.com.
> dmarc.fail.             1429    IN      RRSIG   NS 8 2 3600 20160403000000
> 20160201054514 58563 dmarc.fail.
> sZOP1+0qp3pCrk0l9VcEivHak4+v2I32jp9m6iysYTO49m6s6qadiyIy
> I3O21vr4Tk5V+XoN9F/zaIctT4nvDH2mIiDN24cB2uGb05zRg809ars5
> WqOOBCBkYiKJUNi95LmZ0W2VCXqVwTxEYLC4r9EFoBGEm/dloDcWVjG7 Z6A=
>
> ;; Query time: 0 msec
> ;; SERVER: 192.168.80.2#53(192.168.80.2)
> ;; WHEN: Sun Feb  7 15:57:10 2016
> ;; MSG SIZE  rcvd: 707
>
_______________________________________________
dmarc-discuss mailing list
[email protected]
http://www.dmarc.org/mailman/listinfo/dmarc-discuss

NOTE: Participating in this list means you agree to the DMARC Note Well terms 
(http://www.dmarc.org/note_well.html)

Reply via email to