normal nslookup (by name) works ok for my domain but on reverse lookup xxx.xxx.xxx.xxx I get this return > 207.228.97.229 Server: localhost Address: 127.0.0.1 Name: h-207-228-97-229.gen.cadvision.com Address: 207.228.97.229 instead of the mail.my-domain.net I should get Any ideas why? All help appreciated Mark please send e-mail to mhutch at cadvision.com