chame.usercontent.jp	IN	A	172.217.17.51
chame.usercontent.jp	IN	AAAA	2a00:1450:400e:806::2013
feedfetcher.usercontent.jp	IN	A	172.217.17.51
feedfetcher.usercontent.jp	IN	AAAA	2a00:1450:400e:804::2013