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 for Zone Delegation 2 60 Day Transfer Lock IDN Support
.CO 1 - 5 0 Registration of .ORG.CO, .EDU.CO, .MIL.CO, .GOV.CO domain names is restricted. 3 3 - 63 Characters 2 - 13
.COM 1 - 10 4 None 3 - 63 Characters 1 - 13
.INFO 1 - 10 4 None 3 - 63 Characters 2 - 13
.ME 1 - 10 1 Registrant for Third level .ME domain name needs
to be a Montenegrin individual/entity.
3 - 63 Characters 2 - 13
.MX 1 - 6 4 None 3 - 63 Characters 2 - 13
.NET 1 - 10 4 None 3 - 63 Characters 1 - 13
.ORG 1 - 10 4 None 3 - 63 Characters 2 - 13
.US 1 - 10 4 Nexus Compliance 4 3 - 63 Characters 2 - 13
Donuts Domains 1 - 10 4 None 3 - 63 Characters 2 - 13
Afilias gTLD Domains 1- 10 years 4 None 3 - 63 Characters 2 - 13
Famous Four 1- 10 years 4 None 3 - 63 Characters 2 - 13
ZACR 1- 10 years 4 None 3 - 63 Characters 2- 13
CentralNIC gTLD Domains 1- 10 years 4 None 3 - 63 Characters 2 - 13
Radix Domains 1- 10 years 4 None 3 - 63 Characters 2 - 13
Neustar Domains 1- 10 years 4 None 3 - 63 Characters 2 - 13

Renewal (Anchor: ren)

TLD Duration (Years) 5 Auto Renewal 6 Renewal Grace Period (Days) Constraints / Notes
.CO 1 - 5 40 .EDU.CO, .MIL.CO, .GOV.CO domain names are automatically renewed for a period of 5 years post their Expiry.
.COM 1 - 10 36 None
.INFO 1 - 10 36 None
.ME 1 - 10 36 None
.MX 1 - 6 40 None
.NET 1 - 10 36 None
.ORG 1 - 10 36 None
.US 1 - 10 36 None
Donuts Domains 1 - 10 40 None
Afilias gTLD Domains 1 - 10 36 None
Famous Four 1 - 10 36 None
ZACR 1 - 10 36 None
CentralNIC gTLD Domains 1 - 10 36 None
Radix Domains 1 - 10 36 None
Neustar Domains 1 - 10 36 None

Transfer (Anchor: trf)

TLD Registration Term Extended By (Years) Domain Secret / Auth Code Length 7 Constraints / Comments 60 Day Transfer Lock
.CO 1 6 - 16 Characters .ORG.CO, .EDU.CO, .MIL.CO, .GOV.CO domain names can not be transferred
.COM 1 8 - 32 Characters None
.INFO 1 6 - 16 Characters None
.ME 1 6 - 16 Characters None
.MX 1 6 - 16 Characters None
.NET1 8 - 32 Characters None
.ORG 1 6 - 16 CharactersNone
.US 1 6 - 16 Characters None
Donuts Domains 1 8 - 32 Characters None
Afilias gTLD Domains 1 8 - 32 Characters None
Famous Four 1 8 - 32 Characters None
ZACR 1 8 - 32 Characters None
CentralNIC gTLD Domains 1 8 - 32 Characters None
Radix Domains 1 8 - 32 Characters None
Neustar Domains 1 8 - 32 Characters None

Restoration / Redemption Grace Period (Anchor: res)

TLD Supported 8 Grace Period (Days)
.CO 15
.COM 30
.INFO 30
.ME 30
.MX 30
.NET 30
.ORG 30
.US 30
Donuts Domains 30
Afilias gTLD Domains 30
Famous Four 30
ZACR 30
CentralNIC gTLD Domains 30
Radix Domains 30
Neustar Domains 30

Other Operations (Anchor: oth)

TLD Child Name Servers 9 Theft Protection / Locks 10 Suspension 11 Contact Details Modification 12 Move Operation 13 Privacy Protection 14
.CO Unlimited No Restriction

(only for .CO, .COM.CO, .NET.CO, .NOM.CO)

.COM Unlimited No Restriction
.INFO Unlimited No Restriction
.MEUnlimited No Restriction
.MX Unlimited No Restriction
.NET Unlimited No Restriction
.ORGUnlimited No Restriction
.US Unlimited No Restriction
Donuts Domains Unlimited No Restriction
Afilias gTLD Domains Unlimited No Restriction
Famous Four Unlimited No Restriction
CentralNIC gTLD Domains Unlimited No Restriction
Radix Domains Unlimited No Restriction
Neustar Domains Unlimited No Restriction