Is cztuobu.com valid?
cztuobu.com is a valid email domain (risk: 45/100). Verify email domains with the free Check-Mail API.
cztuobu.com
cztuobu.com 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": "cztuobu.com",
"base_domain": "cztuobu.com",
"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": null,
"is_role_based_email": false,
"mx_host": "cztuobu.com",
"mx_ip": "188.114.97.1",
"mx_info": "No MX-pointer in DNS record. Using domain: cztuobu.com",
"mx_fallback": true,
"mx_hosts": [],
"mx_ips": [],
"mx_priorities": [],
"email_provider": null,
"disposable_provider": null,
"possible_typo": [],
"domain_age_days": null,
"domain_created_at": null,
"block_status_changed_at": "2026-07-14T22:25:17+00:00"
}
cztuobu.com
Status: Looks somewhat suspicious
RISK
MEDIUM
Domain risk: 45
Are you a programmer?
Did you know we have a free API to validate e-mail addresses?
Technical Details for cztuobu.com
Risk Score
45 / 100
MX Host
cztuobu.com
Last updated: Jul 14, 2026
Related Resources
Recently checked domains:
greycapital.online rjsou.com vexonmail.com allenmg.com zgmail.art