diff --git a/internal/db/model/domainblock.go b/internal/db/model/domainblock.go
new file mode 100644
index 0000000..19c2c5f
--- /dev/null
+++ b/internal/db/model/domainblock.go
@@ -0,0 +1,47 @@
+/*
+   GoToSocial
+   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package model
+
+import "time"
+
+// DomainBlock represents a federation block against a particular domain, of varying severity.
+type DomainBlock struct {
+	// ID of this block in the database
+	ID string `pg:"type:uuid,default:gen_random_uuid(),pk,notnull,unique"`
+	// Domain to block. If ANY PART of the candidate domain contains this string, it will be blocked.
+	// For example: 'example.org' also blocks 'gts.example.org'. '.com' blocks *any* '.com' domains.
+	// TODO: implement wildcards here
+	Domain string `pg:",notnull"`
+	// When was this block created
+	CreatedAt time.Time `pg:"type:timestamp,notnull,default:now()"`
+	// When was this block updated
+	UpdatedAt time.Time `pg:"type:timestamp,notnull,default:now()"`
+	// Account ID of the creator of this block
+	CreatedByAccountID string `pg:",notnull"`
+	// TODO: define this
+	Severity           int
+	// Reject media from this domain?
+	RejectMedia        bool
+	// Reject reports from this domain?
+	RejectReports      bool
+	// Private comment on this block, viewable to admins
+	PrivateComment     string
+	// Public comment on this block, viewable (optionally) by everyone
+	PublicComment      string
+}
diff --git a/internal/db/model/emaildomainblock.go b/internal/db/model/emaildomainblock.go
new file mode 100644
index 0000000..5b910c0
--- /dev/null
+++ b/internal/db/model/emaildomainblock.go
@@ -0,0 +1,37 @@
+/*
+   GoToSocial
+   Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package model
+
+import "time"
+
+// SignUpDomainBlock represents a domain that the server should automatically reject sign-up requests from.
+type SignUpDomainBlock struct {
+	// ID of this block in the database
+	ID string `pg:"type:uuid,default:gen_random_uuid(),pk,notnull,unique"`
+	// Domain to block. If ANY PART of the candidate domain contains this string, it will be blocked.
+	// For example: 'example.org' also blocks 'gts.example.org'. '.com' blocks *any* '.com' domains.
+	// TODO: implement wildcards here
+	Domain string `pg:",notnull"`
+	// When was this block created
+	CreatedAt time.Time `pg:"type:timestamp,notnull,default:now()"`
+	// When was this block updated
+	UpdatedAt time.Time `pg:"type:timestamp,notnull,default:now()"`
+	// Account ID of the creator of this block
+	CreatedByAccountID string `pg:",notnull"`
+}