Hi Carl, Interesting setup. What do you mean by 'clever'? Because I am not sure what this setup will gain them.
Yours, David On 30 August 2017 at 18:55, Carl Byington <[email protected]> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA512 > > If you do much work in email / spam control, you end up seeing some of > the many ways that folks manage to screw up their DNS records. But this > one is amusing. Two disconnected sets of dns servers, both sets > referenced from the .com servers. Each set has their own serial number > and different content. Clever. > > > dig pgsurveying.com. ns @h.gtld-servers.net +norecur +nodnssec > +nocookie > > ;; AUTHORITY SECTION: > pgsurveying.com. 172800 IN NS ns1.p06.dynect.net. > pgsurveying.com. 172800 IN NS ns3.p06.dynect.net. > pgsurveying.com. 172800 IN NS ns2.p06.dynect.net. > pgsurveying.com. 172800 IN NS ns4.p06.dynect.net. > pgsurveying.com. 172800 IN NS ns1-08.azure-dns.com. > pgsurveying.com. 172800 IN NS ns2-08.azure-dns.net. > pgsurveying.com. 172800 IN NS ns3-08.azure-dns.org. > pgsurveying.com. 172800 IN NS ns4-08.azure-dns.info. > > > > dig pgsurveying.com. ns @ns1.p06.dynect.net. +short > ns4.p06.dynect.net. > ns1.p06.dynect.net. > ns3.p06.dynect.net. > ns2.p06.dynect.net. > > dig pgsurveying.com. soa @ns1.p06.dynect.net. +short > ns1.p06.dynect.net. sysops.pressganey.com. 23 3600 600 604800 900 > > > > dig pgsurveying.com. ns @ns1-08.azure-dns.com +short > ns1-08.azure-dns.com. > ns2-08.azure-dns.net. > ns3-08.azure-dns.org. > ns4-08.azure-dns.info. > > dig pgsurveying.com. soa @ns1-08.azure-dns.com +short > ns1-08.azure-dns.com. sysops.pressganey.com. 20 3600 600 604800 900 > > > > dig patients.pgsurveying.com. txt @ns1-08.azure-dns.com +short > "\"v=spf1 +a:smtp1.pgsurveying.com +a:smtp2.pgsurveying.com > +a:smtp3.pgsurveying.com +a:smtp4.pgsurveying.com -all\"" > > dig patients.pgsurveying.com. txt @ns1.p06.dynect.net. +short > "v=spf1 +a:smtp1.pgsurveying.com +a:smtp2.pgsurveying.com > +a:smtp3.pgsurveying.com +a:smtp4.pgsurveying.com -all" > > > Note the extra set of quotes which breaks the spf record on the version > from the azure servers. Either nobody reads [email protected], or > they don't care. A note was sent there 30 days ago. > > > > > > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v2.0.14 (GNU/Linux) > > iEYEAREKAAYFAlmm7doACgkQL6j7milTFsHp8wCfXOTSsKJG7gcC+Czf1iq2qSSv > UcUAn3VsCHRtiS+KWugU1GfcapaUGA+g > =7zwN > -----END PGP SIGNATURE----- > > > > _______________________________________________ > mailop mailing list > [email protected] > https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop > -- -- My opinion is mine.
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