diff --git a/lib/dns/win32/libdns.def b/lib/dns/win32/libdns.def
index 324da2b431..88efdbac5b 100644
--- a/lib/dns/win32/libdns.def
+++ b/lib/dns/win32/libdns.def
@@ -555,6 +555,7 @@ dns_requestmgr_detach
 dns_requestmgr_shutdown
 dns_requestmgr_whenshutdown
 dns_resolver_addalternate
+dns_resolver_addbadcache
 dns_resolver_algorithm_supported
 dns_resolver_attach
 dns_resolver_cancelfetch
@@ -567,7 +568,9 @@ dns_resolver_disable_algorithm
 dns_resolver_dispatchmgr
 dns_resolver_dispatchv4
 dns_resolver_dispatchv6
+dns_resolver_flushbadcache
 dns_resolver_freeze
+dns_resolver_getbadcache
 dns_resolver_getlamettl
 dns_resolver_getoptions
 dns_resolver_getudpsize
@@ -575,6 +578,7 @@ dns_resolver_getzeronosoattl
 dns_resolver_logfetch
 dns_resolver_nrunning
 dns_resolver_prime
+dns_resolver_printbadcache
 dns_resolver_reset_algorithms
 dns_resolver_resetmustbesecure
 dns_resolver_setclientsperquery