Overview of TLDs (Domain Name Extensions)

Registration (Anchor: reg)

TLD Duration (Years) Money Back Grace Period (Days) 1 Country / Sponsor Specific Requirements Domain Name Length Name Servers Required 2 60 Day Transfer Lock
.COM 1 - 10 4 None 3 - 63 Characters 1 - 13
.NET 1 - 10 4 None 3 - 63 Characters 1 - 13
.ORG 1 - 10 4 None 3 - 63 Characters 2 - 13
.EU 1 - 10 0 Registrant needs to be from EU 3 2 - 63 Characters 1 - 9
.UK 2 0 None 6 - 64 Characters for .co.uk/.me.uk TLDs (including the TLD) 4

7 - 64 Characters for .org.uk TLD (including the TLD) 5

1 - 10
.CO 1 - 5 0 Registration of .ORG.CO, .EDU.CO, .MIL.CO, .GOV.CO domain names is restricted. 6 3 - 63 Characters 2 - 13

Renewal (Anchor: ren)

TLD Duration (Years) 7 Auto Renewal 8 Renewal Grace Period (Days) Constraints / Notes
.COM 1 - 10 40 None
.NET 1 - 10 40 None
.ORG 1 - 10 40 None
.EU 1 - 10 0 None
.UKOnly 2 90 Domain name can be Renewed anytime from 6 months before its Expiry, upto 90 days after its Expiry.
.CO 1 - 5 40 .EDU.CO, .MIL.CO, .GOV.CO domain names are automatically renewed for a period of 5 years post their Expiry.

Transfer (Anchor: trf)

TLD Registration Term Extended By (Years) Domain Secret / Auth Code Length 9 Constraints / Comments 60 Day Transfer Lock
.COM 1 8 - 32 Characters None
.NET1 8 - 32 Characters None
.ORG 1 6 - 16 CharactersNone
.EU 1 None None
.UK 0 None Transfer does not include one year Renewal.
.CO 1 6 - 16 Characters .ORG.CO, .EDU.CO, .MIL.CO, .GOV.CO domain names can not be transferred

Restoration / Redemption Grace Period (Anchor: res)

TLD Supported 10 Grace Period (Days)
.COM 30
.NET 30
.ORG 30
.EU 40
.UK None
.CO 15

Other Operations (Anchor: oth)

TLD Child Name Servers 11 Theft Protection / Locks 12 Suspension 13 Contact Details Modification 14 Move Operation 15 Privacy Protection 16
.COM Unlimited No Restriction
.NET Unlimited No Restriction
.ORGUnlimited No Restriction
.EU 1 - 9 Registrant Name/Company modification 17 is a billable action.
.UK 1 - 10 Registrant Name/Company modification 18 is a billable action.
.CO Unlimited No Restriction
  1. 1. Deleting a Domain Name
  2. 2. How to change Name Servers of a Domain Name
  3. 3. Eligibility Criteria for Registering a .EU domain name
  4. 4. UK Domain Name Rules/Requirements
  5. 5. UK Domain Name Rules/Requirements
  6. 6. .CO Registry Rules for registering .ORG.CO, .EDU.CO, .MIL.CO, .GOV.CO domain names
  7. 7. Renewing a Domain Name
  8. 8. What is Auto-Renewal?
  9. 9. Locating and Modifying the Domain (Transfer) Secret/Authorization Code for a Domain Name
  10. 10. What is Redemption Grace Period and How to Restore a Deleted Domain Name?
  11. 11. Registering and Managing Child Name Servers
  12. 12. What is Domain Theft Protection and Domain Locks?
  13. 13. How to Suspend / Unsuspend a Domain Name?
  14. 14. Managing Whois or Contact Details of Domain Names
  15. 15. Moving or Pushing a Domain Name from One Customer Control Panel to Another
  16. 16. Hiding Contact Details through Privacy Protection in the Whois of a Domain Name
  17. 17. Modifying the Ownership Identity of a .EU Domain Name / Moving a .EU Domain Name to Another Customer
  18. 18. Modifying the Whois / Contact Details of a .UK Domain Name