From a4684d3bf5dd43b22b54be0ae138bd61547925e5 Mon Sep 17 00:00:00 2001
From: Frank Denis <github@pureftpd.org>
Date: Thu, 23 Sep 2021 19:10:40 +0200
Subject: [PATCH] Round TTLs

---
 dnscrypt-proxy/dnsutils.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dnscrypt-proxy/dnsutils.go b/dnscrypt-proxy/dnsutils.go
index e936e5f5..db092380 100644
--- a/dnscrypt-proxy/dnsutils.go
+++ b/dnscrypt-proxy/dnsutils.go
@@ -196,6 +196,9 @@ func updateTTL(msg *dns.Msg, expiration time.Time) {
 	ttl := uint32(0)
 	if until > 0 {
 		ttl = uint32(until / time.Second)
+		if until-time.Duration(ttl)*time.Second < until/2 {
+			ttl += 1
+		}
 	}
 	for _, rr := range msg.Answer {
 		rr.Header().Ttl = ttl