Is up.lublin.pl valid?

Domain: up.lublin.pl

Valid: Yes

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

Tested MX: poczta.up.lublin.pl (31.131.63.10)

Using MX pointer poczta.up.lublin.pl from DNS with priority: 1

DO NOT SCRAPE THIS DATA, USE THE API

Block: No

You do not need to block this domain for signups/registrations.

Disposable: No

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

Raw API reason:

USE THE API, DO NOT SCRAPE THIS DATA

Heuristics: WM1

START USING FREE API