In message <blu156-w227d2d615494770d415a40f3...@phx.gbl>, "M. Meadows" writes: > We've noticed that the following command gets a variable result: > > dig -t txt exacttarget.com @ns2.exacttarget.com +short > > We get 2 results from this. Seems to be somewhat random. They are: > > "v=3Dspf1 a mx ip4:207.250.79.101 ip4:207.67.98.192/27 ip4:72.18.216.98 inc= > lude:cust-spf.exacttarget.com include:salesforce.com include:message1-spf-i= > nc.exacttarget.com include:hotels-spf-inc.exacttarget.com ip4:206.246.157.1= > -all" > "spf2.0/pra ip4:207.250.79.101 ip4:207.67.98.192/27 ip4:72.18.216.98 includ= > e:cust-senderid.exacttarget.com include:salesforce.com include:message1-sen= > derid-inc.exacttarget.com include:hotels-senderid-inc.exacttarget.com ip4:2= > 06.246.157.1 -all" > > > And=20 > > "spf2.0/pra ip4:207.250.79.101 ip4:207.67.98.192/27 ip4:72.18.216.98 includ= > e:cust-senderid.exacttarget.com include:salesforce.com include:message1-sen= > derid-inc.exacttarget.com include:hotels-senderid-inc.exacttarget.com ip4:2= > 06.246.157.1 -all" > "v=3Dspf1 a mx ip4:207.250.79.101 ip4:207.67.98.192/27 ip4:72.18.216.98 inc= > lude:cust-spf.exacttarget.com include:salesforce.com include:message1-spf-i= > nc.exacttarget.com include:hotels-spf-inc.exacttarget.com ip4:206.246.157.1= > -all" > > > So ... the text output flips. Sometimes the spf1 entry is first ... sometim= > es it's second. > > We are aware of at least one application that sees the spf2.0 (if it's firs= > t) and returns a neutral result for SPF testing. If the spf1 is first in th= > e feedback it gets a pass for SPF.=20
The application is broken. > ns2.exacttarget.com is running BIND 9.3.6-P1-RedHat-9.3.6-4.P1.el5_4.2. > > Is this a BIND bug?=20 No. The DNS does not preserve record order. This is documented in RFC 1035. > Thanks=2C > Martin Meadows -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
