diff --git a/CHANGES.rst b/CHANGES.rst
index 663cb00..f0998b7 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -15,6 +15,7 @@ Changelog
 - Removed deprecated allow_permutations parameter (#230)
 - Fixed ASNOrigin lookups (#216)
 - Fixed bug in ASNOrigin lookups when multiple asn_methods provided (#216)
+- Fixed bug in KRNIC queries due to a change in their service (#243)
 
 1.1.0 (2019-02-01)
 ------------------
diff --git a/ipwhois/nir.py b/ipwhois/nir.py
index 2c470ac..ea53987 100644
--- a/ipwhois/nir.py
+++ b/ipwhois/nir.py
@@ -108,9 +108,14 @@
     },
     'krnic': {
         'country_code': 'KR',
-        'url': 'https://whois.kisa.or.kr/eng/whois.jsc',
+        'url': 'https://xn--c79as89aj0e29b77z.xn--3e0b707e/eng/whois.jsc',
         'request_type': 'POST',
-        'request_headers': {'Accept': 'text/html'},
+        'request_headers': {
+            'Accept': 'text/html',
+            'Referer': (
+                'https://xn--c79as89aj0e29b77z.xn--3e0b707e/eng/whois.jsp'
+            ),
+        },
         'form_data_ip_field': 'query',
         'fields': {
             'name': r'(Organization Name)[\s]+\:[^\S\n]+(?P<val>.+?)\n',