各携帯のSPFの設定を確認してみた。
DOCOMO
> dig TXT docomo.ne.jp
; <<>> DiG 9.2.3 <<>> TXT docomo.ne.jp
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 49094
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
;; QUESTION SECTION:
;docomo.ne.jp. IN TXT
;; ANSWER SECTION:
docomo.ne.jp. 86400 IN TXT "v=spf1 +ip4:203.138.203.0/24 ~all"
;; AUTHORITY SECTION:
docomo.ne.jp. 13429 IN NS ns001.docomo.ne.jp.
docomo.ne.jp. 13429 IN NS ns002.docomo.ne.jp.
;; ADDITIONAL SECTION:
ns001.docomo.ne.jp. 13429 IN A 203.138.203.82
ns002.docomo.ne.jp. 13429 IN A 203.138.203.83
;; Query time: 28 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Jun 26 14:36:40 2007
;; MSG SIZE rcvd: 148
KDDI
> dig TXT ezweb.ne.jp
; <<>> DiG 9.2.3 <<>> TXT ezweb.ne.jp
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 37323
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
;; QUESTION SECTION:
;ezweb.ne.jp. IN TXT
;; ANSWER SECTION:
ezweb.ne.jp. 3600 IN TXT "v=spf1 include:spf-nm.ezweb.ne.jp include:spf-az.ezweb.ne.jp include:spf-ms.ezweb.ne.jp ~all"
;; AUTHORITY SECTION:
ezweb.ne.jp. 2102 IN NS wdns0.ezweb.ne.jp.
ezweb.ne.jp. 2102 IN NS wdns3.ezweb.ne.jp.
;; ADDITIONAL SECTION:
wdns0.ezweb.ne.jp. 70135 IN A 211.5.1.48
wdns3.ezweb.ne.jp. 23512 IN A 219.125.148.118
;; Query time: 19 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Jun 26 14:36:59 2007
;; MSG SIZE rcvd: 206
SOFTBANK
> dig TXT softbank.ne.jp
; <<>> DiG 9.2.3 <<>> TXT softbank.ne.jp
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 22976
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
;; QUESTION SECTION:
;softbank.ne.jp. IN TXT
;; ANSWER SECTION:
softbank.ne.jp. 1800 IN TXT "v=spf1 include:spf01.softbank.ne.jp include:spf02.softbank.ne.jp include:spf99.softbank.ne.jp ~all"
;; AUTHORITY SECTION:
softbank.ne.jp. 421 IN NS dns02.softbank.ne.jp.
softbank.ne.jp. 421 IN NS dns01.softbank.ne.jp.
;; ADDITIONAL SECTION:
dns01.softbank.ne.jp. 81042 IN A 210.228.189.22
dns02.softbank.ne.jp. 81042 IN A 210.175.1.135
;; Query time: 23 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Jun 26 14:37:51 2007
;; MSG SIZE rcvd: 215
ウィルコム
> dig TXT pdx.ne.jp
; <<>> DiG 9.2.3 <<>> TXT pdx.ne.jp
;; global options: printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 31677
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2
;; QUESTION SECTION:
;pdx.ne.jp. IN TXT
;; ANSWER SECTION:
pdx.ne.jp. 86400 IN TXT "v=spf1 ip4:210.168.199.0/26 ~all"
;; AUTHORITY SECTION:
pdx.ne.jp. 19813 IN NS ns.pdx.ne.jp.
pdx.ne.jp. 19813 IN NS dns1.dion.ne.jp.
;; ADDITIONAL SECTION:
ns.pdx.ne.jp. 62091 IN A 210.168.199.33
dns1.dion.ne.jp. 2249 IN A 210.141.108.226
;; Query time: 43 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Jun 26 14:39:49 2007
;; MSG SIZE rcvd: 145
