You may take a look at google's setting as samples. It's just grouping, I.e, gmail's SPF:
$ idig gmail.com txt gmail.com. 300 IN TXT "v=spf1 redirect=_spf.google.com" $ idig _spf.google.com txt _spf.google.com. 300 IN TXT "v=spf1 include:_netblocks.google.com include:_netblocks2.google.com include:_netblocks3.google.com ?all" $ idig _netblocks.google.com txt _netblocks.google.com. 3600 IN TXT "v=spf1 ip4:216.239.32.0/19 ip4:64.233.160.0/19 ip4:66.249.80.0/20 ip4:72.14.192.0/18 ip4:209.85.128.0/17 ip4:66.102.0.0/20 ip4:74.125.0.0/16 ip4:64.18.0.0/20 ip4:207.126.144.0/20 ip4:173.194.0.0/16 ?all" 在 13-6-21 上午1:13， "Koehler, Charles" <charles.koeh...@ucsf.edu> 写入: >Our email group wants to change the current SPF txt record and replace it >with one that is 274 characters. > >How can I put it in so that it works correctly? > _______________________________________________ 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
