Is 189.cn a disposable email domain?
No: it is a free consumer mailbox provider.
try:
- mail hosts
- mta-189.21cn.com, mx2-189.21cn.com, mx3-189.21cn.com
- provider
- other
- spf record
- v=spf1 include:mail-spf.21cn.com include:hwmail-spf.21cn.com -all
- dmarc policy
- none published
- disposable domain
- no
- free consumer provider
- yes
Is 189.cn disposable?
189.cn 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 189.cn
For 189.cn, 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 189.cn
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.