Is smtechnik.pl valid?
Verify if smtechnik.pl is a valid e-mail domain
smtechnik.pl
smtechnik.pl 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 smtechnik.pl 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": "smtechnik.pl",
"text": "Looks okay",
"reason": "No anomaly detected",
"risk": 15,
"mx_host": "mx-2.dpoczta.pl",
"possible_typo": [],
"mx_ip": "109.95.154.151",
"mx_info": "Using MX pointer mx-2.dpoczta.pl from DNS with priority: 10",
"last_changed_at": "2025-07-24T16:33:47+02:00"
}
smtechnik.pl
Status: Looks okay
RISK
LOW
Domain risk: 15
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