Bob Hoffman wrote: > > > >> $ host 72.35.68.56 >> Host 56.68.35.72.in-addr.arpa. not found: 3(NXDOMAIN) $ host >> 72.35.68.57 Host 57.68.35.72.in-addr.arpa. not found: >> 3(NXDOMAIN) $ host 72.35.68.62 Host 62.68.35.72.in-addr.arpa. >> not found: 3(NXDOMAIN) >> >> same for the IPs that don't belong to you in that network. >> >> anyway, that's not a big issue, except if your provider has a >> bad reputation... >> > > Interesting. Where did you get that from? > > This is what my datacenter gave me.. > IP Assignment: 72.35.68.56/29 > Gateway: 72.35.68.57 > Useable: 72.35.68.58 - 62 > > I only can use 58-62. 62 is not set up for any domain. > Where and how did those nubmers come up for me? > they are "near" your server IP. some people check ranges and will give a reputation to a range instead of to each IP. > Now I is a scared...oh boy. there's no reason to be scared. it's just that some people want all IPs to have a reverse DNS (well, IPv6 is gonna change this...).