DNSWHOIS.INFO - esa01.firstclass.com
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esa01.firstclass.com checked at 2025-10-06T22:22:42.829Z 1061ms 28/28/28 100% R:8esa01.firstclass.com
| A | 142.75.68.18🇨🇦 OPENTEXT-NA-CA-TORONTO-1 | ||||||
firstclass.com
| MX | esa01.firstclass.com | ||||||
| MX | esa02.firstclass.com | ||||||
| NS | proxy.firstclass.com | ||||||
| NS | ns.softarc.com | ||||||
| A | 142.75.67.212🇨🇦 OPENTEXT-NA-CA-TORONTO-1 | ||||||
rank #268243 in the tld
MX for
Starts similarily
AI analysis
esa01.firstclass.com serves as the mail server for uitinc.com, softarc.com, edison.firstclass.com and firstclass.com.
esa02.firstclass.com is a mail server commonly used with esa01.firstclass.com.
esa01.firstclass.com resolves to one IP number: 142.75.68.18.
dbq