Disposable domain list / 1secmail.org
Is 1secmail.org disposable?
Yes. 1secmail.org is on the disposable email domain list ContactLint uses, so the API returns disposable: true for addresses at 1secmail.org and a risky verdict.
Data for 1secmail.org
| On the disposable list | Yes, exact match |
|---|---|
| MX records (2026-10-19) | 10 mx.1secmail.com |
| Upstream list history | Added 2021-04-29 |
| Listed domains on .org | 461 of 9,880 |
| Same name, other TLDs on the list | 4: 1secmail.com, 1secmail.net, 1secmail.space, 1secmail.website |
| Shares a mail server with | 1secmail.com, 1secmail.net (among the domains we profile) |
Check an address at 1secmail.org
Questions
Does 1secmail.org accept email?
On 2026-10-19 1secmail.org published 1 MX record, so it can receive mail.
When was 1secmail.org added to the list?
The upstream disposable-email-domains list added 1secmail.org on 2021-04-29.
Are other 1secmail domains on the list?
Yes. 4 other domains named 1secmail with a different TLD are on the list, such as 1secmail.com, 1secmail.net, 1secmail.space, 1secmail.website.
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Source: disposable-email-domains (CC0 1.0), fetched 2026-10-12. DNS snapshot taken 2026-10-19 with Cloudflare DNS-over-HTTPS.
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