If I was in the financial services industry, or any other key infrastructure business, I would seriously consider this.
http://krebsonsecurity.com/2015/12/dhs-giving-firms-free-penetration-tests/ On Tue, Dec 8, 2015 at 5:03 PM, Don Ely <[email protected]> wrote: > To be fair, it was a short break from working on a Cisco ACI deployment in > 2 new datacenters. Though it did seem some folks might want to brush up on > their DNS skills... :) > > > > On Tue, Dec 8, 2015 at 10:37 AM Jeff Steward <[email protected]> wrote: > >> The list will return to normal snark levels after the holidays :) >> >> -Jeff >> >> >> On Tue, Dec 8, 2015 at 1:17 PM David McSpadden <[email protected]> wrote: >> >>> Ended up being several issues. >>> >>> Arin did not have an SOA pointing to ultradns. >>> >>> Old ISP had PTR’s of their own pointing to old IP addresses. >>> >>> ISP routing email to old firewall not new firewall. >>> >>> Ironport didn’t have new IPs from new firewall or DNS. >>> >>> All in all a complete breakdown. >>> >>> Almost back to 100% now though. >>> >>> Thanks all for the direction and less flame acidic responses. >>> >>> From: David McSpadden <[email protected]> >>> To: "[email protected]" <[email protected]> >>> Date: 12/04/2015 11:38 AM >>> Subject: [NTSysADM] dns propagation errors >>> Sent by: [email protected] >>> >>> >>> >>> >>> My DNS servicer is stating my PTR issues is a DNS propagation error? >>> This is my zone currently: >>> ;File created: 12/04/2015 16:23 >>> ;Record count: 25 >>> $ORIGIN imcu.com. >>> @ 86400 IN SOA pdns206.ultradns.com. bill\. >>> krause.fiserv.com. ( >>> 2014081268 >>> ;Serial >>> 10800 >>> ;Refresh >>> 3600 >>> ;Retry >>> 2592000 >>> ;Expire >>> 86400 >>> ;Minimum >>> ) >>> @ 86400 IN NS pdns206.ultradns.org. >>> @ 86400 IN NS pdns206.ultradns.com. >>> @ 86400 IN NS pdns206.ultradns.net. >>> @ 86400 IN NS pdns206.ultradns.biz. >>> autodiscover 600 IN A 192.171.14.74 >>> legacymail 600 IN A 192.171.14.74 >>> mail 600 IN A 192.171.14.74 >>> outlook 600 IN A 192.171.14.74 >>> 74.14.171.192.in-addr.arpa 86400 IN PTR >>> mail.imcu.com. >>> >>> @ 86400 IN MX 10 mail.imcu.com. >>> >>> @ 86400 IN TXT "v=spf1 >>> ip4:184.72.242.195 ip4:192.171.14.74 ~all" >>> @ 86400 IN TXT "\"v=spf1 >>> ip4:184.72.242.195 ip4:192.171.14.74 ~all\"" >>> >>> >>> >>> Am I missing an SOA? >>> >>> >>> This e-mail and any files transmitted with it are property of Indiana >>> Members Credit Union, are confidential, and are intended solely for the use >>> of the individual or entity to whom this e-mail is addressed. If you are >>> not one of the named recipient(s) or otherwise have reason to believe that >>> you have received this message in error, please notify the sender and >>> delete this message immediately from your computer. Any other use, >>> retention, dissemination, forwarding, printing, or copying of this email is >>> strictly prohibited. >>> >>> Please consider the environment before printing this email. >>> >>
