Quickly verified in dnsmasq's source code: It has to be "trust-anchor" (with "-")

Signed-off-by: DL6ER <dl6er@dl6er.de>

advanced/Scripts/webpage.sh

@@ -152,8 +152,8 @@ ProcessDNSSettings() {
 
 	if [[ "${DNSSEC}" == true ]]; then
 		echo "dnssec
-trustanchor=.,19036,8,2,49AAC11D7B6F6446702E54A1607371607A1A41855200FD2CE1CDDE32F24E8FB5
-trustanchor=.,20326,8,2,E06D44B80B8F1D39A95C0B0D7C65D08458E880409BBC683457104237C7F8EC8D
+trust-anchor=.,19036,8,2,49AAC11D7B6F6446702E54A1607371607A1A41855200FD2CE1CDDE32F24E8FB5
+trust-anchor=.,20326,8,2,E06D44B80B8F1D39A95C0B0D7C65D08458E880409BBC683457104237C7F8EC8D
 " >> "${dnsmasqconfig}"
 	fi