SPF設定はなくてもいいのか。

1. whois

  Domain Name: MOEAMA.NET
   Registry Domain ID: 426649739_DOMAIN_NET-VRSN
   Registrar WHOIS Server: whois.google.com
   Registrar URL: http://domains.google.com
   Updated Date: 2022-08-01T02:11:16Z
   Creation Date: 2006-04-26T15:03:34Z
   Registry Expiry Date: 2025-04-26T15:03:34Z
   Registrar: Google LLC
   Registrar IANA ID: 895
   Registrar Abuse Contact Email: registrar-abuse@google.com
   Registrar Abuse Contact Phone: +1.8772376466
   Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
   Name Server: NS-CLOUD-D1.GOOGLEDOMAINS.COM
   Name Server: NS-CLOUD-D2.GOOGLEDOMAINS.COM
   Name Server: NS-CLOUD-D3.GOOGLEDOMAINS.COM
   Name Server: NS-CLOUD-D4.GOOGLEDOMAINS.COM
   DNSSEC: unsigned
   URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2022-08-01T04:50:05Z <<<

2. history

メールの不調はかなり怪しい（突発的に送れなくなる感じぽい）ので不穏だ....

ns-cloud-d1.googledomains.com
ns-cloud-d2.googledomains.com
ns-cloud-d3.googledomains.com
ns-cloud-d4.googledomains.com
        Google LLC
        2022-04-25 (3 months)   2022-08-01 (today)      3 months
dns01.muumuu-domain.com
dns02.muumuu-domain.com
        IDC Frontier Inc.
        2018-04-30 (4 years)    2022-04-25 (3 months)   4 years

CategoryDns CategoryWatch CategoryTemplate