Is at.net valid?

at.net

at.net is a valid domain that should be allowed to do sign-ups and registrations. Based on our analysis, you should allow this domain. If a user is trying to sign-up using an e-mail on this domain, it is most likely okay.

The best way to verify email domains like at.net is to use the Check-Mail API, available for free, for all programming languages.

Raw API JSON response:

{
    "valid": true,
    "block": false,
    "disposable": false,
    "email_forwarder": false,
    "domain": "at.net",
    "text": "Looks somewhat suspicious",
    "reason": "Some anomalies detected",
    "risk": 45,
    "mx_host": "at.net",
    "possible_typo": [],
    "mx_ip": "3.33.243.145",
    "mx_info": "No MX-pointer in DNS record. Using domain: at.net",
    "last_changed_at": "2026-02-09T02:32:59+00:00"
}