Is 33fx.net valid?
Verify if 33fx.net is a valid e-mail domain
33fx.net
33fx.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 33fx.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": "33fx.net",
"text": "Looks okay",
"reason": "Heuristics: WM1",
"risk": 10,
"mx_host": "mail.protonmail.ch",
"possible_typo": [],
"mx_ip": "185.70.42.128",
"mx_info": "Using MX pointer mail.protonmail.ch from DNS with priority: 10",
"last_changed_at": "2025-03-11T15:04:17+01:00"
}
33fx.net
Status: Looks okay
RISK
LOW
Domain risk: 10
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