How to understand on which email server corporate mail is running?

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Lichail_Leonov2018-12-06 00:30:29

Google

Lichail_Leonov, 2018-12-06 00:30:29

There is a list of 200 corporate addresses of users from different companies. It is necessary to find out how many and which mail servers (gmail, yandex mail, own server, microsoft, etc.) are used by these companies.
I expect there will be more than 60% gmail and it is interesting to know the real statistics.
How is it easier to do this? Maybe there is a service? Looking for an automatic solution without manually checking MX records

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Sergey, 2018-12-06
@gangstarcj

https://2whois.ru/?t=nslookup&data=google.ru&dns_t...
Check domain mx records