Full Disclosure mailing list archives
MX of securityfocus.com lost?
From: Peter Bieringer <pb () bieringer de>
Date: Mon, 24 Feb 2003 08:45:59 +0100
Hi, has Symantecs some problems? Currently the MX of securityfocus.com is completly broken. Take care of restricted postfix installations which are configured to block senders if MX is not resolvable: Feb 24 07:59:23 **** postfix/smtpd[***]: ****: reject: RCPT from unknown[205.206.231.26]: 550 <bugtraq-return-****-pbieringer=example.com () securityfocus com>: Sender address rejected: Domain not found; from=<bugtraq-return-****-pbieringer=example.com () securityfocus com> to=<pbieringer () example com> proto=ESMTP helo=<outgoing.securityfocus.com> Note also that the mailhost has currently no PTR for it's IPv4 address - not very professional.... $ host -t NS securityfocus.com securityfocus.com name server ns1.symantec.com. securityfocus.com name server ns1.securityfocus.com. securityfocus.com name server ns2.securityfocus.com. securityfocus.com name server ns3.symantec.com. $ host -t MX securityfocus.com ns1.symantec.com. Using domain server: Name: ns1.symantec.com. Address: 198.6.49.5#53 Aliases: $ host -t MX securityfocus.com ns1.securityfocus.com. host: Couldn't find server 'ns1.securityfocus.com.': Name or service not known $ host -t MX securityfocus.com ns2.securityfocus.com. host: Couldn't find server 'ns2.securityfocus.com.': Name or service not known $ host -t MX securityfocus.com ns3.symantec.com. Using domain server: Name: ns3.symantec.com. Address: 206.204.212.86#53 Aliases: 2 of 4 specified NS servers have currently no A records... ...ohoh... Peter -- Dr. Peter Bieringer http://www.bieringer.de/pb/ GPG/PGP Key 0x958F422D mailto: pb at bieringer dot de Deep Space 6 Co-Founder and Core Member http://www.deepspace6.net/ _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.netsys.com/full-disclosure-charter.html
Current thread:
- MX of securityfocus.com lost? Peter Bieringer (Feb 24)
- <Possible follow-ups>
- Re: MX of securityfocus.com lost? needsecjob (Feb 24)
- RE: Re: MX of securityfocus.com lost? Curt Purdy (Feb 25)