Is testdemo.online valid?
testdemo.online is a valid email domain (risk: 45/100). Verify email domains with the free Check-Mail API.
testdemo.online
testdemo.online is a valid domain that should be allowed to do sign-ups and registrations. Based on our analysis, you should allow this domain.
Raw API JSON response:
{
"valid": true,
"block": false,
"domain": "testdemo.online",
"base_domain": "testdemo.online",
"text": "Looks somewhat suspicious",
"reason": "Some anomalies detected",
"risk": 45,
"is_disposable": false,
"is_email_forwarder": false,
"is_public_free": false,
"is_public_premium": false,
"is_business_provider": false,
"is_isp_email": false,
"is_email_api": false,
"is_web_hosting_email": false,
"is_self_hosted": false,
"is_parked": false,
"is_role_based_email": false,
"mx_host": "testdemo.online",
"mx_ip": "49.13.54.93",
"mx_info": "No MX-pointer in DNS record. Using domain: testdemo.online",
"mx_fallback": true,
"mx_hosts": [
"testdemo.online"
],
"mx_ips": [
"49.13.54.93"
],
"mx_priorities": [],
"email_provider": null,
"disposable_provider": null,
"possible_typo": [],
"domain_age_days": 1687,
"domain_created_at": "2021-09-04T00:00:00+00:00",
"block_status_changed_at": "2026-03-14T21:20:24+00:00"
}
testdemo.online
Status: Looks somewhat suspicious
RISK
MEDIUM
Domain risk: 45
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Technical Details for testdemo.online
Risk Score
45 / 100
MX Host
testdemo.online
Last updated: Mar 14, 2026
testdemo.online Domain Age
testdemo.online was registered on September 4, 2021 and is 4 years, 7 months old.
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