143.164.102.17
msqp.com nemá MX záznam.

Mají ji číňani

	"143.164.102.18"	"SENT: 220 SMTP VisualWeb.cz"
"SMTPD"	10328	293176	"2021-01-07 12:12:33.116"	"143.164.102.18"	"RECEIVED: EHLO mailin4.audi.de"
"SMTPD"	10328	293176	"2021-01-07 12:12:33.132"	"143.164.102.18"	"SENT: 250-mail.visualweb.cz[nl]250-SIZE 30000000[nl]250-AUTH LOGIN PLAIN[nl]250 HELP"
"SMTPD"	6040	293176	"2021-01-07 12:12:33.147"	"143.164.102.18"	"RECEIVED: MAIL FROM:<noreply@MSQP.com>"
"SMTPD"	6040	293176	"2021-01-07 12:12:33.585"	"143.164.102.18"	"SENT: 550 Sender domain does not have any MX records."
"SMTPD"	6040	293176	"2021-01-07 12:12:33.617"	"143.164.102.18"	"RECEIVED: RSET"
"SMTPD"	6040	293176	"2021-01-07 12:12:33.617"	"143.164.102.18"	"SENT: 250 OK"
"SMTPD"	9444	293176	"2021-01-07 12:12:33.648"	"143.164.102.18"	"RECEIVED: QUIT"
"SMTPD"	9444	293176	"2021-01-07 12:12:33.648"	"143.164.102.18"	"SENT: 221 goodbye"