diff --git a/doc/source/index.rst b/doc/source/index.rst
index 9a85ea19d2..52068cbf70 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -129,23 +129,23 @@ date ranges during which each key was in general use.
    --export 0x80fcce3dc49bd7836fc2464664dbb05acc5e7c28 ) > \
    doc/source/static/0x80fcce3dc49bd7836fc2464664dbb05acc5e7c28.txt
 .. _`key 0x80fcce3dc49bd7836fc2464664dbb05acc5e7c28`: _static/0x80fcce3dc49bd7836fc2464664dbb05acc5e7c28.txt
-.. __: https://sks-keyservers.net/pks/lookup?op=vindex&search=0x80fcce3dc49bd7836fc2464664dbb05acc5e7c28&fingerprint=on
+.. __: http://pool.sks-keyservers.net:11371/pks/lookup?op=vindex&search=0x80fcce3dc49bd7836fc2464664dbb05acc5e7c28&fingerprint=on
 .. _`key 0xd47bab1b7dc2e262a4f6171e8b1b03fd54e2ac07`: _static/0xd47bab1b7dc2e262a4f6171e8b1b03fd54e2ac07.txt
-.. __: https://sks-keyservers.net/pks/lookup?op=vindex&search=0xd47bab1b7dc2e262a4f6171e8b1b03fd54e2ac07&fingerprint=on
+.. __: http://pool.sks-keyservers.net:11371/pks/lookup?op=vindex&search=0xd47bab1b7dc2e262a4f6171e8b1b03fd54e2ac07&fingerprint=on
 .. _`key 0xc96bfb160752606daa0de2fa05eb5792c876df9a`: _static/0xc96bfb160752606daa0de2fa05eb5792c876df9a.txt
-.. __: https://sks-keyservers.net/pks/lookup?op=vindex&search=0xc96bfb160752606daa0de2fa05eb5792c876df9a&fingerprint=on
+.. __: http://pool.sks-keyservers.net:11371/pks/lookup?op=vindex&search=0xc96bfb160752606daa0de2fa05eb5792c876df9a&fingerprint=on
 .. _`key 0x4c8b8b5a694f612544b3b4bac52f01a3fbdb9949`: _static/0x4c8b8b5a694f612544b3b4bac52f01a3fbdb9949.txt
-.. __: https://sks-keyservers.net/pks/lookup?op=vindex&search=0x4c8b8b5a694f612544b3b4bac52f01a3fbdb9949&fingerprint=on
+.. __: http://pool.sks-keyservers.net:11371/pks/lookup?op=vindex&search=0x4c8b8b5a694f612544b3b4bac52f01a3fbdb9949&fingerprint=on
 .. _`key 0xc31292066be772022438222c184fd3e1edf21a78`: _static/0xc31292066be772022438222c184fd3e1edf21a78.txt
-.. __: https://sks-keyservers.net/pks/lookup?op=vindex&search=0xc31292066be772022438222c184fd3e1edf21a78&fingerprint=on
+.. __: http://pool.sks-keyservers.net:11371/pks/lookup?op=vindex&search=0xc31292066be772022438222c184fd3e1edf21a78&fingerprint=on
 .. _`key 0x27023b1ffccd8e3ae9a5ce95d943d5d270273ada`: _static/0x27023b1ffccd8e3ae9a5ce95d943d5d270273ada.txt
-.. __: https://sks-keyservers.net/pks/lookup?op=vindex&search=0x27023b1ffccd8e3ae9a5ce95d943d5d270273ada&fingerprint=on
+.. __: http://pool.sks-keyservers.net:11371/pks/lookup?op=vindex&search=0x27023b1ffccd8e3ae9a5ce95d943d5d270273ada&fingerprint=on
 .. _`key 0xcdc08088c3cb45a9be08332b2354069e5b504663`: _static/0xcdc08088c3cb45a9be08332b2354069e5b504663.txt
-.. __: https://sks-keyservers.net/pks/lookup?op=vindex&search=0xcdc08088c3cb45a9be08332b2354069e5b504663&fingerprint=on
+.. __: http://pool.sks-keyservers.net:11371/pks/lookup?op=vindex&search=0xcdc08088c3cb45a9be08332b2354069e5b504663&fingerprint=on
 .. _`key 0xbba3b1e67a7303dd1769d34595bf2e4d09004514`: _static/0xbba3b1e67a7303dd1769d34595bf2e4d09004514.txt
-.. __: https://sks-keyservers.net/pks/lookup?op=vindex&search=0xbba3b1e67a7303dd1769d34595bf2e4d09004514&fingerprint=on
+.. __: http://pool.sks-keyservers.net:11371/pks/lookup?op=vindex&search=0xbba3b1e67a7303dd1769d34595bf2e4d09004514&fingerprint=on
 .. _`key 0x2426b928085a020d8a90d0d879ab7008d0896c8a`: _static/0x2426b928085a020d8a90d0d879ab7008d0896c8a.txt
-.. __: https://sks-keyservers.net/pks/lookup?op=vindex&search=0x2426b928085a020d8a90d0d879ab7008d0896c8a&fingerprint=on
+.. __: http://pool.sks-keyservers.net:11371/pks/lookup?op=vindex&search=0x2426b928085a020d8a90d0d879ab7008d0896c8a&fingerprint=on
 
 .. _`centrally-managed OpenPGP keys`: https://docs.openstack.org/infra/system-config/signing.html
 .. _`OpenStack Infrastructure team`: https://governance.openstack.org/tc/reference/projects/infrastructure.html