--- service: i.root-servers.net start-period: '2013-08-16T00:00:00Z' end-period: '2013-08-17T00:00:04Z' metric: i-root-active-rssm-sites sites: amx amz ank ash bah bei bkx bnx chi col dex fix gen hkx jak jnb khi kul lnx mia mix nix par phi pix poa prt qtr rox rwx sin sth tai thi tll tok ukx ula was wel wie yan