Is comment.com valid?
Verify if comment.com is a valid e-mail domain
comment.com
comment.com is a suspicious domain, but should still be allowed to do sign-ups and registrations. However, based on our analysis, you should be suspicious about this domain. If a user is trying to sign-up using an e-mail on this domain, it is most likely okay, but you should monitor their usage.
The best way to verify suspicious email domains like comment.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": "comment.com",
"text": "Suspicious",
"reason": "Some anomalies detected",
"risk": 70,
"mx_host": "comment.com",
"possible_typo": [],
"mx_ip": "15.197.225.128",
"mx_info": "No MX-pointer in DNS record. Using domain: comment.com",
"last_changed_at": "2026-02-03T17:51:03+00:00"
}
comment.com
Status: Suspicious
RISK
MEDIUM
Domain risk: 70
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