Domain glossary

Registrars, registries, EPP codes, grace periods and the other words you'll meet when you buy or move a domain name. Click a term to read its definition.

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A3 terms
A record Administrative contact Auth code
B1 term
Backorder
C3 terms
ccTLD CNAME Cybersquatting
D7 terms
DNS DNSSEC Domain lock Domain parking Domain privacy Domain transfer Drop catching
E3 terms
EPP code Expiration date Expired domain
G3 terms
Glue record Grace period gTLD
I2 terms
ICANN IDN
M1 term
MX record
N1 term
Nameserver
P1 term
Premium domain
R6 terms
Redemption period Registrant Registrar Registry Registry lock Renewal price
S1 term
Subdomain
T4 terms
Technical contact TLD Transfer lock Typosquatting
U2 terms
UDRP URL
W1 term
WHOIS
Z1 term
Zone file

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