Their domain expired. Doh!
]$ whois manticgames.com
[Querying whois.verisign-grs.com]
[Redirected to whois.active24.com]
[Querying whois.active24.com]
[whois.active24.com]
Whois Server v2.1.0 build 20120529131024 ADRS (C)2012 Active 24
ASA
Domain Information
===================
Domain.......: MANTICGAMES.COM (DOM-272691)
Status.......: CLIENT_HOLD
Amended......: 2014-04-04 15:17:26 (CET/CEST)
Created......: 2009-03-20 09:49:43 (CET/CEST)
Expires......: 2015-03-20 09:49:43 (CET/CEST)
Registrar....: Active 24 (REG-1)
DNSSec.......: No
Status......: CLIENT_HOLD means it expired. Someone over there fethed up.