Disposable domain list / 1secmail.com
Is 1secmail.com disposable?
Yes. 1secmail.com is on the disposable email domain list ContactLint uses, so the API returns disposable: true for addresses at 1secmail.com and a risky verdict.
Data for 1secmail.com
| On the disposable list | Yes, exact match |
|---|---|
| MX records (2026-10-13) | 10 mx.1secmail.com |
| Upstream list history | Added 2021-04-29 |
| Listed domains on .com | 3,188 of 9,880 |
| Same name, other TLDs on the list | 4: 1secmail.net, 1secmail.org, 1secmail.space, 1secmail.website |
| Shares a mail server with | none of the other domains we profile |
Check an address at 1secmail.com
Questions
Does 1secmail.com accept email?
On 2026-10-13 1secmail.com published 1 MX record, so it can receive mail.
When was 1secmail.com added to the list?
The upstream disposable-email-domains list added 1secmail.com 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.net, 1secmail.org, 1secmail.space, 1secmail.website.
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Source: disposable-email-domains (CC0 1.0), fetched 2026-10-12. DNS snapshot taken 2026-10-13 with Cloudflare DNS-over-HTTPS.
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