反向MX查找：cluster2a.gsi.messagelabs.com

找到4个域名共享相同邮件服务器cluster2a.gsi.messagelabs.com

域名	全球排名	分类	标题	A	MX	NS
berr.gov.uk	-	-	-	151.101.2.30 151.101.66.30 151.101.130.30 151.101.194.30	cluster2a.gsi.messagelabs.com cluster2.gsi.messagelabs.com	ns4.virginmedia.net ns1.virginmedia.net ns2.virginmedia.net ns3.virginmedia.net
dti.gov.uk	-	-	-	151.101.66.30 151.101.130.30 151.101.194.30 151.101.2.30	cluster2.gsi.messagelabs.com cluster2a.gsi.messagelabs.com	ns3.virginmedia.net ns4.virginmedia.net ns1.virginmedia.net ns2.virginmedia.net
ipcc.gov.uk	-	-	-	146.177.27.149	cluster2a.gsi.messagelabs.com cluster2.gsi.messagelabs.com	ns-1785.awsdns-31.co.uk ns-879.awsdns-45.net ns-89.awsdns-11.com ns-1372.awsdns-43.org
uktradeinvest.gov.uk	-	-	-	52.222.174.79 52.222.174.14 52.222.174.33 52.222.174.84	cluster2.gsi.messagelabs.com cluster2a.gsi.messagelabs.com	ns-972.awsdns-57.net ns-1139.awsdns-14.org ns-1857.awsdns-40.co.uk ns-299.awsdns-37.com

最近更新的使用相同邮件服务器cluster2a.gsi.messagelabs.com的域名