I've been getting 404 errors recently from my 12.04 hosts

Looks like this during an apt-get update:

Err http://apt.postgresql.org precise/main amd64 Packages
  404  Not Found [IP: 213.189.17.228 80]
Err http://apt.postgresql.org precise/dependencies amd64 Packages
  404  Not Found [IP: 213.189.17.228 80]
Err http://apt.postgresql.org precise/main i386 Packages
  404  Not Found [IP: 213.189.17.228 80]
Err http://apt.postgresql.org precise/dependencies i386 Packages
  404  Not Found [IP: 213.189.17.228 80]

W: Failed to fetch http://apt.postgresql.org/pub/repos/apt/dists/precise/main/binary-amd64/Packages  404  Not Found
[IP:213.189.17.228 80] 

W: Failed to fetch http://apt.postgresql.org/pub/repos/apt/dists/precise/dependencies/binary-amd64/Packages  404  Not
Found[IP: 213.189.17.228 80] 

W: Failed to fetch http://apt.postgresql.org/pub/repos/apt/dists/precise/main/binary-i386/Packages  404  Not Found [IP:
213.189.17.22880] 

W: Failed to fetch http://apt.postgresql.org/pub/repos/apt/dists/precise/dependencies/binary-i386/Packages  404  Not
Found[IP: 213.189.17.228 80] 


ubuntu@web8:~$ cat /etc/apt/sources.list.d/apt.postgresql.org.list
# apt.postgresql.org
deb http://apt.postgresql.org/pub/repos/apt/ precise-pgdg main


Help!