Re: What is spe.atdmt.com.
It looks like an ad server. So some program is trying to download an ad from that site.
First try putting spe.atdmt.com in restricted sites in internet options/security in your browser and if that doesn't help put 127.0.0.1 spe.atdmt.com into your hosts file.
Re: What is spe.atdmt.com.
Re: What is spe.atdmt.com.
They are cookies linked to advertising sites. If you are using Internet Explorer for a browser, a simple change of a setting can let you permanently block almost all tracking (3rd party) cookies. (Much easier then constantly removing them!) Go to Tools > Internet Options > Privacy > Advanced > check-mark "Override automatic cookie handling" > Third party cookies > tick "Block" > OK > OK. Leave "Always allow session cookies" checked. Leave First party cookies set to "accept".