DNS
HTML
http://consumerist.com/consumer/executive-customer-service/email-addresses-for-comcast-executives-320438.php There are plenty email addresses there.
DHCP
poisson?
wins
The service needs to be running, and the scope needs to be authorized before addresses may be given out.
Domain name system is an application layer service . DNS provides mapping between addresses and names . DNS is what maps URL to the Addresses .
enhanced monitoring service
DNS (port 53)
DNS
DHCP
DHCP, Dynamic Host Configuration Protocol.
WINS