Is highkey.io valid?

How to block highkey.io invalid e-mail domain

Domain: highkey.io

Valid: Yes, but should be blocked

This domain is valid and should be able to receive e-mail.

Tested MX: highkey.io (13.248.169.48)

No MX-pointer in DNS record. Using domain: highkey.io

Block: Yes

You should block this domain for signups/registrations.

Disposable: No

This does not look like a temporary/disposable e-mail domain.

API reason:

Heuristics: T2

Raw API response:
{
    "valid": true,
    "block": true,
    "disposable": false,
    "email_forwarder": false,
    "domain": "highkey.io",
    "text": "Looks suspicious",
    "reason": "Heuristics: T2",
    "risk": 95,
    "mx_host": "highkey.io",
    "possible_typo": [],
    "mx_ip": "13.248.169.48",
    "mx_info": "No MX-pointer in DNS record. Using domain: highkey.io",
    "last_changed_at": "2022-10-13T17:41:28+02:00"
}
Block domain

highkey.io

Status: Looks suspicious

RISK
HIGH

Domain risk: 95

Are you a programmer?

Did you know we have a free API to validate e-mails and block highkey.io?

Recently checked domains:
gddp2018.edu.vn         saveunllc.com         postm.net         tuqco.co.uk         bileklik.net