diff --git a/security/manager/boot/src/nsSTSPreloadList.errors b/security/manager/boot/src/nsSTSPreloadList.errors
index a2ed86ddeb0b..14f1bbe55514 100644
--- a/security/manager/boot/src/nsSTSPreloadList.errors
+++ b/security/manager/boot/src/nsSTSPreloadList.errors
@@ -1,4 +1,3 @@
-18f.gsa.gov: did not receive HSTS header
 admin.google.com: did not receive HSTS header (error ignored - included regardless)
 adsfund.org: could not connect to host
 airbnb.com: did not receive HSTS header
@@ -15,7 +14,7 @@ appseccalifornia.org: did not receive HSTS header
 at.search.yahoo.com: did not receive HSTS header
 au.search.yahoo.com: did not receive HSTS header
 az.search.yahoo.com: did not receive HSTS header
-azprep.us: did not receive HSTS header
+azprep.us: could not connect to host
 bccx.com: could not connect to host
 be.search.yahoo.com: did not receive HSTS header
 bedeta.de: could not connect to host
@@ -62,6 +61,7 @@ crowdcurity.com: did not receive HSTS header
 crypto.is: did not receive HSTS header
 csawctf.poly.edu: did not receive HSTS header
 ct.search.yahoo.com: did not receive HSTS header
+cyanogenmod.xxx: could not connect to host
 daylightcompany.com: did not receive HSTS header
 de.search.yahoo.com: did not receive HSTS header
 decibelios.li: did not receive HSTS header
@@ -94,7 +94,6 @@ fr.search.yahoo.com: did not receive HSTS header
 gamesdepartment.co.uk: did not receive HSTS header
 get.zenpayroll.com: did not receive HSTS header
 getlantern.org: did not receive HSTS header
-gizzo.sk: could not connect to host
 gl.search.yahoo.com: did not receive HSTS header
 glass.google.com: did not receive HSTS header (error ignored - included regardless)
 gm.search.yahoo.com: did not receive HSTS header
@@ -172,6 +171,7 @@ mx.search.yahoo.com: did not receive HSTS header
 my.alfresco.com: did not receive HSTS header
 mydigipass.com: did not receive HSTS header
 mykolab.com: did not receive HSTS header
+neg9.org: did not receive HSTS header
 neonisi.com: could not connect to host
 netzpolitik.org: did not receive HSTS header
 nexth.de: could not connect to host
@@ -182,6 +182,7 @@ nl.search.yahoo.com: did not receive HSTS header
 no.search.yahoo.com: did not receive HSTS header
 noexpect.org: could not connect to host
 np.search.yahoo.com: did not receive HSTS header
+npw.net: [Exception... "Component returned failure code: 0x80004005 (NS_ERROR_FAILURE) [nsISiteSecurityService.processHeader]"  nsresult: "0x80004005 (NS_ERROR_FAILURE)"  location: "JS frame :: /builds/slave/m-cen-l64-periodicupdate-00000/getHSTSPreloadList.js :: processStsHeader :: line 134"  data: no]
 nz.search.yahoo.com: did not receive HSTS header
 openshift.redhat.com: did not receive HSTS header
 otakurepublic.com: did not receive HSTS header
@@ -208,12 +209,12 @@ py.search.yahoo.com: did not receive HSTS header
 qc.search.yahoo.com: did not receive HSTS header
 rapidresearch.me: could not connect to host
 redlatam.org: did not receive HSTS header
+redports.org: could not connect to host
 regar42.fr: could not connect to host
 research.facebook.com: did not receive HSTS header
 riseup.net: did not receive HSTS header
 rme.li: did not receive HSTS header
 ro.search.yahoo.com: did not receive HSTS header
-robteix.com: did not receive HSTS header
 ru.search.yahoo.com: did not receive HSTS header
 rw.search.yahoo.com: did not receive HSTS header
 sah3.net: could not connect to host
diff --git a/security/manager/boot/src/nsSTSPreloadList.inc b/security/manager/boot/src/nsSTSPreloadList.inc
index dfc92b250be4..f7a5da658938 100644
--- a/security/manager/boot/src/nsSTSPreloadList.inc
+++ b/security/manager/boot/src/nsSTSPreloadList.inc
@@ -8,7 +8,7 @@
 /*****************************************************************************/
 
 #include <stdint.h>
-const PRTime gPreloadListExpirationTime = INT64_C(1426936177225000);
+const PRTime gPreloadListExpirationTime = INT64_C(1427541069385000);
 
 class nsSTSPreload
 {
@@ -20,6 +20,7 @@ class nsSTSPreload
 static const nsSTSPreload kSTSPreloadList[] = {
   { "0x0a.net", true },
   { "17hats.com", true },
+  { "18f.gsa.gov", true },
   { "1a-diamantscheiben.de", true },
   { "1a-vermessung.at", true },
   { "1a-werkstattgeraete.de", true },
@@ -267,6 +268,7 @@ static const nsSTSPreload kSTSPreloadList[] = {
   { "getssl.uz", true },
   { "giacomopelagatti.it", true },
   { "github.com", true },
+  { "gizzo.sk", true },
   { "glass.google.com", true },
   { "globuli-info.de", true },
   { "glossopnorthendafc.co.uk", true },
@@ -324,7 +326,7 @@ static const nsSTSPreload kSTSPreloadList[] = {
   { "ideaweb.de", true },
   { "ihrlotto.de", true },
   { "ilikerainbows.co.uk", true },
-  { "imouto.my", false },
+  { "imouto.my", true },
   { "in.xero.com", false },
   { "inbox.google.com", true },
   { "inkbunny.net", true },
@@ -412,7 +414,7 @@ static const nsSTSPreload kSTSPreloadList[] = {
   { "mail.de", true },
   { "mail.google.com", true },
   { "mail.yahoo.com", false },
-  { "mailbox.org", false },
+  { "mailbox.org", true },
   { "makeyourlaws.org", true },
   { "malnex.de", true },
   { "man3s.jp", true },
@@ -473,7 +475,6 @@ static const nsSTSPreload kSTSPreloadList[] = {
   { "myplaceonline.com", true },
   { "nachsenden.info", true },
   { "nectarleaf.com", true },
-  { "neg9.org", false },
   { "neilwynne.com", false },
   { "net-safe.info", true },
   { "netzbit.de", true },
@@ -560,6 +561,7 @@ static const nsSTSPreload kSTSPreloadList[] = {
   { "riccy.org", true },
   { "riesenmagnete.de", true },
   { "rippleunion.com", true },
+  { "robteix.com", true },
   { "roddis.net", false },
   { "roland.io", true },
   { "romab.com", true },