Pondus
2
What resides here?
Nothing dangerous
you should visit it, i think you will find it interesting 
https://cdn.zeltser.com
https://zeltser.com/remnux-v6-release-for-malware-analysis/
polonus
3
But I ask this because I find this on VirusWatch Archives to-day: Up(nil): unknown_html ARIN US abuse at digitalocean.com 104.236.236.73 to 104.236.236.73 zeltser.com https://zeltser.com/remnux-v6-release-for-malware-analysis/
So then I started looking, but could not find it right away.
Seems OK: http://toolbar.netcraft.com/site_report?url=https://zeltser.com
CRDF flags on VT. See: http://www.dnszilla.com/zeltser.com
Seems OK: https://www.robtex.net/#!dns=104.236.236.73
polonus