Email Source: AsahiNet

Homepage: https://asahi-net.jp

This source is known to forward email

Capable of generating DMARC compliant email for others

Yes

AsahiNet supports DMARC compliance via DKIM.

Capable of signing email with DKIM for others

Yes

Contact AsahiNet support for DKIM configuration.

Capable of sending SPF compliant email for others

No

AsahiNet doesn't seem to support DMARC compliance via SPF. Contact their support for more information.