diff -ru djbdns.orig/Makefile djbdns/Makefile
--- djbdns.orig/Makefile	2019-07-01 09:03:02.258766000 +0000
+++ djbdns/Makefile	2019-07-01 09:03:37.784466000 +0000
@@ -6,7 +6,8 @@
 PORTREVISION?=	22
 PORTEPOCH?=	1
 CATEGORIES?=	dns
-MASTER_SITES=	http://cr.yp.to/djbdns/ \
+MASTER_SITES=	https://cr.yp.to/djbdns/ \
+		http://cr.yp.to/djbdns/ \
 		ftp://cr.yp.to/djbdns/
 DISTNAME=	djbdns-${DJBDNS_VER}
 DISTFILES=	${DISTNAME}${EXTRACT_SUFX}