SPF に関する TXT レコードを設定しているところはどれくらい増えているのかリサーチ。
coltrane:/home/dxy[12:08pm] host -t txt aol.com
aol.com text "spf2.0/pra ip4:152.163.225.0/24 ip4:205.188.139.0/24 ip4:205.188.144.0/24 ip4:205.188.156.0/23 ip4:205.188.159.0/24 ip4:64.12.136.0/23 ip4:64.12.138.0/24 ptr:mx.aol.com ?all"
aol.com text "v=spf1 ip4:152.163.225.0/24 ip4:205.188.139.0/24 ip4:205.188.144.0/24 ip4:205.188.156.0/23 ip4:205.188.159.0/24 ip4:64.12.136.0/23 ip4:64.12.138.0/24 ptr:mx.aol.com ?all"
coltrane:/home/dxy[12:28pm] host -t txt sendmail.com
sendmail.com text "v=spf1 ip4:209.246.26.40 ip4:63.211.143.38 ip4:209.246.26.36 ip4:209.246.26.12 ip4:209.246.26.18 ip4:209.246.26.10 ?all"
coltrane:/home/dxy[12:28pm]
coltrane:/home/dxy[12:29pm] host -t txt gmail.com
gmail.com text "v=spf1 a:mproxy.gmail.com a:rproxy.gmail.com a:wproxy.gmail.com a:zproxy.gmail.com a:nproxy.gmail.com ?all"
coltrane:/home/dxy[12:30pm]
coltrane:/home/dxy[12:30pm] host -t txt microsoft.com
microsoft.com text "v=spf1 mx redirect=_spf.microsoft.com"
coltrane:/home/dxy[12:30pm]
coltrane:/home/dxy[12:34pm] host -t txt apple.com
apple.com text "v=spf1 ptr ?all"
coltrane:/home/dxy[12:35pm] host -t txt ibm.com
coltrane:/home/dxy[12:35pm] host -t txt sun.com
coltrane:/home/dxy[12:35pm] host -t txt cisco.com
cisco.com text "v=spf1 ptr a:mustang1.netsolve.com ~all"
coltrane:/home/dxy[12:35pm] host -t txt amazon.com
amazon.com text "v=spf1 ip4:207.171.160.32/28 ip4:207.171.164.32/28 ip4:207.171.180.176/28 ~all"
coltrane:/home/dxy[12:35pm] host -t txt ebay.com
ebay.com text "v=spf1 mx include:s._spf.ebay.com include:m._spf.ebay.com include:p._spf.ebay.com include:c._spf.ebay.com ~all"
ebay.com text "spf2.0/pra mx include:s._sid.ebay.com include:m._sid.ebay.com include:p._sid.ebay.com include:c._sid.ebay.com ~all"
coltrane:/home/dxy[12:35pm]
coltrane:/home/dxy[12:38pm] host -t txt hotmail.com
hotmail.com text "v=spf1 include:spf-a.hotmail.com include:spf-b.hotmail.com include:spf-c.hotmail.com include:spf-d.hotmail.com ~all"
coltrane:/home/dxy[12:38pm] host -t txt yahoo.com
coltrane:/home/dxy[12:38pm]
coltrane:/home/dxy[12:38pm] host -t txt pobox.com
pobox.com text "v=spf1 mx mx:fallback-relay.%{d} a:webmail.%{d} a:smtp.%{d} a:outgoing.smtp.%{d} a:discard-reports.%{d} a:discards.%{d} mx:stor" "e.discard.%{d} a:emerald.%{d} redirect=%{l1r+}._at_.%{o}._spf.%{d}"
coltrane:/home/dxy[12:41pm] host -t txt iij.ad.jp
iij.ad.jp text "v=spf1 ip4:202.232.30.157 ip4:210.138.77.20/30 ?all"
coltrane:/home/dxy[12:41pm]
coltrane:/home/dxy[12:52pm] host -t txt google.com
google.com text "v=spf1 ptr ?all"
coltrane:/home/dxy[12:52pm]
coltrane:/home/dxy[1:09pm] host -t txt netbsd.org
coltrane:/home/dxy[1:09pm] host -t txt linux.org
linux.org text "v=spf1 a:ganymede.invlogic.com a:io.invlogic.com -all"
coltrane:/home/dxy[1:09pm] host -t txt kernel.org
coltrane:/home/dxy[1:09pm] host -t txt openbsd.org
coltrane:/home/dxy[1:09pm] host -t txt mac.com
coltrane:/home/dxy[1:10pm]
coltrane:/home/dxy[1:11pm] host -t txt nytimes.com
nytimes.com text "v=spf1 mx ptr ip4:199.239.138.0/24 include:attglobal.net ~all"
coltrane:/home/dxy[1:12pm] host -t txt cnn.com
coltrane:/home/dxy[1:12pm]
coltrane:/home/dxy[1:13pm] host -t txt oreilly.com
oreilly.com text "v=spf1 mx ptr include:oreillynet.com -all"
coltrane:/home/dxy[1:13pm]
coltrane:/home/dxy[5:12pm] host -t txt verisign.com
coltrane:/home/dxy[5:13pm] host -t txt symantec.com
symantec.com text "v=spf1 ip4:198.6.49.0/24 ip4:216.141.93.64/25 ip4:206.204.57.47 ?all"
coltrane:/home/dxy[5:13pm] host -t txt trendmicro.com
coltrane:/home/dxy[5:13pm]
