From d81b85a49abebdbf38caf07b30219f2964c4af9d Mon Sep 17 00:00:00 2001
From: Alexandre Aubin <alex.aubin@mailoo.org>
Date: Tue, 11 Jan 2022 20:54:55 +0100
Subject: [PATCH] diagnosis: incorrect dns check (relative vs absolute) for
 CNAME on subdomain

---
 data/hooks/diagnosis/12-dnsrecords.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/data/hooks/diagnosis/12-dnsrecords.py b/data/hooks/diagnosis/12-dnsrecords.py
index 554576f79..21b3a21a1 100644
--- a/data/hooks/diagnosis/12-dnsrecords.py
+++ b/data/hooks/diagnosis/12-dnsrecords.py
@@ -97,6 +97,8 @@ class DNSRecordsDiagnoser(Diagnoser):
                 r["current"] = self.get_current_record(fqdn, r["type"])
                 if r["value"] == "@":
                     r["value"] = domain + "."
+                elif r["type"] == "CNAME":
+                    r["value"] = r["value"] + f".{base_dns_zone}."
 
                 if self.current_record_match_expected(r):
                     results[id_] = "OK"