Is facebook.com valid?
Verify if facebook.com is a valid e-mail domain
facebook.com
facebook.com 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 facebook.com 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": "facebook.com",
"text": "Looks okay",
"reason": "Heuristics: WM1",
"risk": 35,
"mx_host": "smtpin.vvv.facebook.com",
"possible_typo": [],
"mx_ip": "66.220.149.251",
"mx_info": "Using MX pointer smtpin.vvv.facebook.com from DNS with priority: 10",
"last_changed_at": "2023-09-27T20:14:49+02:00"
}
facebook.com
Status: Looks okay
RISK
MEDIUM
Domain risk: 35
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