1. watchA
Microsoftを装う不審メールにご注意
『Microsoftアカウントの不審なサインイン』という詐欺メール
2. whois
;; AUTHORITY SECTION: msidentity.com. 172800 IN NS usw1.akam.net. msidentity.com. 172800 IN NS eur2.akam.net. msidentity.com. 172800 IN NS use2.akam.net. msidentity.com. 172800 IN NS ns1-169.akam.net. msidentity.com. 172800 IN NS ns1-01.azure-dns.com. msidentity.com. 172800 IN NS ns2-01.azure-dns.net. msidentity.com. 172800 IN NS ns3-01.azure-dns.org. msidentity.com. 172800 IN NS ns4-01.azure-dns.info.
3. history
$ dig -t mx mail.msa.msidentity.com @usw1.akam.net. ; <<>> DiG 9.11.3-1ubuntu1.14-Ubuntu <<>> -t mx mail.msa.msidentity.com @usw1.akam.net. ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 61958 ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;mail.msa.msidentity.com. IN MX ;; ANSWER SECTION: mail.msa.msidentity.com. 7200 IN MX 10 accountprotection-microsoft-com.mail.protection.outlook.com. ;; Query time: 114 msec ;; SERVER: 23.61.199.66#53(23.61.199.66) ;; WHEN: Sat Sep 18 17:45:52 JST 2021 ;; MSG SIZE rcvd: 124
watchA/accountprotection-microsoft-com.mail.protection.outlook.com