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From
SubjectRe: Disabled kernel.org accounts
Date
Keith Owens <kaos@ocs.com.au> writes:

>On 6 Sep 2002 16:54:17 -0700,
>"H. Peter Anvin" <hpa@zytor.com> wrote:
>>I have disabled several kernel.org accounts due to bouncing email.
>>If you have a kernel.org account and you can no longer log in, please
>>contact me and provide an updated, *working* email.

>It does not help when 63.209.4.196 does not have a valid reverse DNS.
>Some sites recognize it as neon-gw-l3.transmeta.com but four different
>sites in USA and AUS cannot do a reverse lookup on 63.209.4.196. That
>makes you look like just another level3 spammer.

Well, the reason for this are missing NS records:

% whois 63.209.4.196@whois.arin.net
[whois.arin.net]

OrgName: Level 3 Communications, Inc.
OrgID: LVLT

NetRange: 63.208.0.0 - 63.215.255.255
CIDR: 63.208.0.0/13
NetName: LEVEL4-CIDR
NetHandle: NET-63-208-0-0-1
Parent: NET-63-0-0-0-0
NetType: Direct Allocation
NameServer: NS1.LEVEL3.NET
NameServer: NS2.LEVEL3.NET

% dig @ns1.level3.net -x 63.209.4.196
[... no answer ...]

% dig @ns2.level3.net -x 63.209.4.196
[... no answer ...]

Go figure.

ARIN itself says:

% dig @ARROWROOT.ARIN.NET -x 63.209
;; AUTHORITY SECTION:
209.63.in-addr.arpa. 86400 IN NS NS1.LEVEL3.net.
209.63.in-addr.arpa. 86400 IN NS NS2.LEVEL3.net.

% dig @ns1.level3.net -x 63.209
[... no answer ...]

% dig @ns2.level3.net -x 63.209
[... no answer ...]

So they're a really, really crappy ISP. Maybe they're cheap so
everyone uses them...

Regards
Henning
--
Dipl.-Inf. (Univ.) Henning P. Schmiedehausen -- Geschaeftsfuehrer
INTERMETA - Gesellschaft fuer Mehrwertdienste mbH hps@intermeta.de

Am Schwabachgrund 22 Fon.: 09131 / 50654-0 info@intermeta.de
D-91054 Buckenhof Fax.: 09131 / 50654-20
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