googlegroups.com子域名：
12090161-a-62cb3a1a-s-sites.googlegroups.com
e6a74008-a-62cb3a1a-s-sites.googlegroups.com
04505451752554803336.googlegroups.com
568a4599-a-62cb3a1a-s-sites.googlegroups.com
3906523995308773357-a-1802744773732722657-s-sites.googlegroups.com
13453765871837679316.googlegroups.com
17145451585078598307.googlegroups.com
03662671545803034101.googlegroups.com
83764efa-a-62cb3a1a-s-sites.googlegroups.com
a7da7e2b-a-62cb3a1a-s-sites.googlegroups.com
74c95e93-a-62cb3a1a-s-sites.googlegroups.com
08840866811016586930.googlegroups.com