411 REFERENCE · Wiktionary
.dd
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Appendix:Variations of "dd"
Translingual
Etymology
. + ISO 3166-1 country code for German Democratic Republic (East Germany), mul DD.
Symbol
mul symbol
The authorized but never fully implemented ccTLD for German Democratic Republic or East Germany as assigned by the IANA. .dd was replaced with .de when East Germany reunified and became part of the Federal Republic of Germany.
mul East Germany