Is ra3.so-net.ne.jp valid?

Domain: ra3.so-net.ne.jp

Valid: Yes

This domain is valid and should be able to receive e-mail.

Tested MX: sonet-common-mx-v4.xspmail.jp (160.13.60.174)

Using MX pointer sonet-common-mx-v4.xspmail.jp from DNS with priority: 100

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Block: No

You do not need to block this domain for signups/registrations.

Disposable: No

This does not look like a temporary/disposable e-mail domain.

Raw API reason:

DO NOT SCRAPE THIS DATA, USE THE API

Heuristics: WM1

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