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216.73.216.158
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Domain name
oma8m-otsukashokai-co-jp01b1c.mail.protection.outlook.com
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SPF
oma8m-otsukashokai-co-jp01b1c.mail.protection.outlook.com
SPF record
Queried
just now
DNS resolution error
Querying SPF record for oma8m-otsukashokai-co-jp01b1c.mail.protection.outlook.com failed.
check TXT records