From b1e15a8b038ec9214b977f4653cc8853329e4a41 Mon Sep 17 00:00:00 2001
From: Matt Broadstone <mbroadst@mongodb.com>
Date: Thu, 19 Nov 2020 08:49:42 -0500
Subject: [PATCH] fix: ignore ENOTFOUND during TXT record lookup

The "initial seedlist discovery" spec is underspecified on what to
do when a TXT lookup fails, but for the time being we will treat
non-existence as an empty result
---
 src/connection_string.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/connection_string.ts b/src/connection_string.ts
index 2cdc103c4d..2e9d8bdd27 100644
--- a/src/connection_string.ts
+++ b/src/connection_string.ts
@@ -88,7 +88,7 @@ function parseSrvConnectionString(uri: string, options: any, callback: Callback)
     // Resolve TXT record and add options from there if they exist.
     dns.resolveTxt(lookupAddress, (err?: any, record?: any) => {
       if (err) {
-        if (err.code !== 'ENODATA') {
+        if (err.code !== 'ENODATA' && err.code !== 'ENOTFOUND') {
           return callback(err);
         }
         record = null;