dns/show: sort records

Signed-off-by: Alejandro Mery <amery@jpi.io>

pkg/dns/sync.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"net/netip"
 	"sort"
+	"strings"
 	"time"
 
 	"darvaza.org/core"
@@ -57,7 +58,7 @@ func (mgr *Manager) GetSyncRecords(ctx context.Context) ([]SyncAddrRecord, error
 }
 
 // AsSyncAddr converts a A or AAAA [libdns.Record] into a [SyncAddr]
-func (*Manager) AsSyncAddr(rr libdns.Record) (SyncAddr, bool, error) {
+func (mgr *Manager) AsSyncAddr(rr libdns.Record) (SyncAddr, bool, error) {
 	var out SyncAddr
 	var addr netip.Addr
 
@@ -66,6 +67,13 @@ func (*Manager) AsSyncAddr(rr libdns.Record) (SyncAddr, bool, error) {
 		return out, false, nil
 	}
 
+	// skip entries not containing our suffix
+	if mgr.suffix != "" {
+		if !strings.HasSuffix(rr.Name, mgr.suffix) {
+			return out, false, nil
+		}
+	}
+
 	err := addr.UnmarshalText([]byte(rr.Value))
 	if err != nil {
 		// invalid address on A or AAAA record