diff --git a/src/twisted/names/common.py b/src/twisted/names/common.py
index cb7732dbe..c7dfdb8ad 100644
--- a/src/twisted/names/common.py
+++ b/src/twisted/names/common.py
@@ -180,6 +180,7 @@ class ResolverBase:
         name = dns.domainString(name)
         # XXX - respect timeout
         # XXX - this should do A and AAAA lookups, not ANY (see RFC 8482).
+        # https://twistedmatrix.com/trac/ticket/9691
         d = self.lookupAllRecords(name, timeout)
         d.addCallback(self._cbRecords, name, effort)
         return d
@@ -223,7 +224,7 @@ def extractRecord(resolver, name, answers, level=10):
     if not level:
         return None
     # FIXME: twisted.python.compat monkeypatches this if missing, so this
-    # condition is always true.
+    # condition is always true. https://twistedmatrix.com/trac/ticket/9753
     if hasattr(socket, 'inet_ntop'):
         for r in answers:
             if r.name == name and r.type == dns.A6: