How to restrict publish 2-nd IP on the 1-st network interface?

Hello!

I’ve got MacPro (with name mac-techdep-11) connected to two networks. 1-st interface (en0) connected to the office network with IP 10.233.*.* . 2-nd (en1) interface connected to the quantum stornext metadata network with IP 10.224.*.* . I made share folder for office users but when they try to reach this share folder with name mac-techdep-11 some of them can’t do that because MacPro published both IP in office network mac-techdep-11:~ dandreev$ host mac-techdep-11.mycompany.com

mac-techdep-11.mycompany.com has address 10.224.*.*

mac-techdep-11.mycompany.com has address 10.233.*.*

It makes chaos in office network. How can I restrict to publish IP of 2-nd interface (en1) in office network (en0)?

Best regards,

Denis