Slide 6
Slide 6 text
SPF pyspfで検証
• トレンドマイクロ、エン・ジャパン、アマゾン、TKCグループ
2019/09/07 DNS温泉6 in 下呂 KEYTEC 6
% spf.py 127.0.0.1 support.trendmicro.com helo
result: ('permerror', 550, 'SPF Permanent Error: No valid SPF record for included domain: _spf-
prod.supportspace.com: include:_spf-prod.supportspace.com') None
% spf.py 127.0.0.1 en-japan.com helo
result: ('permerror', 550, 'SPF Permanent Error: Too many DNS lookups') None
% spf.py 127.0.0.1 amazon.co.jp helo
result: ('permerror', 550, 'SPF Permanent Error: No valid SPF record for included domain: amazon-
spf.mrs.mpub.ne.jp: include:amazon-spf.mrs.mpub.ne.jp') None
% spf.py 127.0.0.1 tkcnf.or.jp helo
result: ('permerror', 550, 'SPF Permanent Error: No valid SPF record for included domain: ess-
spf.cloud.nifty.com: include:ess-spf.cloud.nifty.com') None