WWW.RTSAK.COM - esa01.firstclass.com
Search for IP or hostnames:
esa01.firstclass.com checked at 2025-10-21T05:50:54.619Z 275ms 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 a mail server for uitinc.com, softarc.com, edison.firstclass.com and firstclass.com.
esa02.firstclass.com often functions as the mail server, commonly paired with esa01.firstclass.com.
esa01.firstclass.com points to a single IP address: 142.75.68.18.
dbq