このSPF(レコード)を利用するのに、DNS参照はどれくらい発生するか。

../spf.protection.outlook.com

../aws.spf-ns.hikkosizamurai.com

leopalace21.com.        43200   IN      TXT     "v=spf1 
mx a ptr 
a:mail.econtract.jp 
a:mail2.econtract.jp 
include:webcas.net 
include:mdindian.maildealer.jp 
include:asp.cuenote.jp 
include:spf.protection.outlook.com 
include:ipreomail.com 
include:spf-ns.hikkosizamurai.com 
include:spfcm.cybermail.jp
include:_spf-main.leopalace21.com

-all"

1. history

webcas.net.             43200   IN      TXT     "v=spf1 ip4:219.101.179.192/27 ip4:203.191.244.128/26 ip4:175.111.83.64/26 ip4:202.143.91.0/25 ip4:115.30.1.0/26 ip4:101.110.14.128/25 ip4:115.30.20.128/26 ip4:115.30.24.0/25 ip4:101.102.234.128/25" " ip4:115.30.25.128/25 ip4:118.67.109.0/27 ip4:202.143.89.192/26 ip4:203.191.255.42/32 ip4:165.76.159.0/24 ip4:165.76.182.0/25 ip4:118.67.76.64/27 ~all"

mdindian.maildealer.jp. 60      IN      TXT     "v=spf1 mx include:spf.maildealer.jp ~all"
spf.maildealer.jp.      600     IN      TXT     "v=spf1 ip4:150.66.55.197/32 ip4:58.191.47.9/32 ~all"

asp.cuenote.jp.         600     IN      TXT     "v=spf1 ip4:210.171.14.0/24 ip4:210.171.15.2 ip4:158.201.242.128/25 ip4:59.106.90.64/26 ip4:210.152.41.176/28 ip4:202.239.55.0/25 ip4:202.230.170.144/28 ip4:210.152.202.128/27 ip4:202.222.24.192/26 ip4:202.218.104.65 ip4:202.218.104.66/31" " ip4:203.167.59.32/27 ip4:194.223.158.110/31 ip4:194.223.158.112/29 ip4:158.201.240.7 ip4:202.218.104.7 ip4:202.218.104.8 ~all"

protection.outlook.com. 300     IN      TXT     "v=spf1 include:spf.protection.outlook.com -all"

ipreomail.com.          600     IN      TXT     "v=spf1 ip4:66.17.251.47 ip4:80.169.95.198 ip4:80.169.95.218 ip4:66.35.231.0/27 ip4:216.74.162.0/27 ip4:91.209.197.0/28 ip4:91.229.201.7 ip4:122.248.252.54 ip4:54.151.162.172 ip4:178.17.33.133 ip4:216.74.162.151 ip4:34.198.150.124" " ip4:18.213.83.215 ip4:4.78.42.137 ip4:4.78.42.147 ip4:65.205.75.147 ip4:65.205.75.148 ip4:170.207.0.0/16 ~all"

spf-ns.hikkosizamurai.com. 300  IN      TXT     "v=spf1 include:aws.spf-ns.hikkosizamurai.com include:aws2.spf-ns.hikkosizamurai.com ~all"

_spf-main.leopalace21.com. 43200 IN     TXT     "v=spf1 ip4:103.28.167.141 ip4:210.164.3.142 ip4:210.164.3.152 ip4:112.78.112.227 ip4:210.168.46.165 ip4:133.167.127.166 ip4:103.28.167.142 ip4:158.199.177.241 ip4:61.120.204.59 ip4:210.254.137.10 ip4:210.254.137.13"

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