Is optonline.net a disposable email domain?
No: it is a free consumer mailbox provider.
try:
- mail hosts
- mx.altice.prod.cloud.openwave.ai
- provider
- other
- spf record
- v=spf1 include:optimum.net ~all
- dmarc policy
- none
- dmarc record
- v=DMARC1;p=none
- disposable domain
- no
- free consumer provider
- yes
Is optonline.net disposable?
optonline.net is a consumer email service rather than a company domain: real people, personal accounts, and no way to infer an employer from the address.
About the domain
Its mail is handled by an unrecognised provider.
How Spaw treats addresses at optonline.net
For optonline.net, verification runs the whole pipeline: syntax, live MX, the open lists, and then the SMTP handshake with the mail host, with no message ever transmitted. Each verdict carries a machine-readable reason.
More checks for optonline.net
checked 2026-09-03 · sources: live-dns 2026-09-03 · disposable-domains 2026-09-02 · free-provider-domains 2026-09-02 · mx-provider-patterns 2026-09-03
Need this at scale?
The Spaw API runs the same checks plus mailbox-level SMTP verification, batch and bulk endpoints, and list monitoring — 10 free lookups a month, no card required.