If you do not know who your DNS provider is, you can find that out by performing NSLOOKUP for your domain and comparing the Name Servers you see with a table below. Read the Knowledge Base article on How To Check DNS Records? for more information.

DNS Provider name an link to website

Authoritative Name Servers Instructions on adding MX records
123-reg.co.uk
  • ns.123-reg.co.uk
  • ns2.123-reg.co.uk
Link to Instructions
BLUEHOST, INC
  • ns1.bluehost.com
  • ns2.bluehost.com
Link to Instructions
Click And Name
  • ns1.hostingmatrix.net
  • ns2.hostingmatrix.net
Link to Instructions
Domains Made Easy
  • ns5.dnsmadeeasy.com
  • ns6.dnsmadeeasy.com
  • ns7.dnsmadeeasy.com
Link to Instructions
ENOM
  • DNS1.name-services.com
  • DNS2.name-services.com
  • DNS3.name-services.com
  • DNS4.name-services.com
  • DNS5.name-services.com
Link to Instructions
GoDaddy
  •  ns*.domaincontrol.com
Link to Instructions
Host Europe Group
  • c1.wpns.hosteurope.de
  • c1.wsns.hosteurope.de
Link to Instructions
HOSTMONSTER, INC
  • ns1.HostMonster.com
  • ns2.HostMonster.com
Link to Instructions
Media Temple Inc
  • ns1.mediatemple.net
  • ns2.mediatemple.net
Link to Instructions
MELBOURNEIT
  • ns1.secure.net
  • ns2.secure.net
Link to Instructions
NameBright.com
  • ns1.namebrightdns.com
  • ns2.namebrightdns.com
Link to Instructions
NETWORK SOLUTIONS
  • ns*.worldnic.com
Link to Instructions
RACKSPACE US, INC
  • ns.rackspace.com
  • ns2.rackspace.com
Link to Instructions
register.com
  • ns1.register.com
  • ns2.register.com
  • ns3.register.com
  • ns4.register.com
Link to Instructions
TUCOWS DOMAINS INC
  • dns1.tucows.com
  • dns2.tucows.com
  • dns3.tucows.com
Link to Instructions
WILD WEST DOMAINS   Link to Instructions
Dyn DNS 
  • ns1.p10.dynect.net
  • ns2.p10.dynect.net
  • ns3.p10.dynect.net
  • ns4.p10.dynect.net
Link to Instructions