WWW.RTSAK.COM - esa02.firstclass.com
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esa02.firstclass.com checked at 2025-10-22T07:16:58.107Z 317ms 28/28/28 100% R:11esa02.firstclass.com
| A | 142.75.68.19🇨🇦 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
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AI analysis
esa02.firstclass.com serves as a mail server for edison.firstclass.com, firstclass.com, uitinc.com and softarc.com.
esa01.firstclass.com is commonly used as a mail server with esa02.firstclass.com.
esa02.firstclass.com resolves to a single IP address: 142.75.68.19.
dbq