ROBTEX.COM - ussf53.upstreamsecurity.net
Search for stuff
ussf53.upstreamsecurity.net checked at 2025-12-19T17:30:30.010Z 5063ms 37/37/37 100% R:10 allDone:true timedOut:false ussf53.upstreamsecurity.net
| A | 38.99.86.53🇺🇸 Cogent Communications, Inc. | ||||||
| PTR | ussf53.upstreamsecurity.net | ||||||
upstreamsecurity.net
| NS | pdns13.domaincontrol.com | ||||||
| NS | pdns14.domaincontrol.com | ||||||
| MX | upstreamsecurity-net.mail.protection.outlook.com | ||||||
| A | 198.49.23.144🇺🇸 SQUARESPACE | ||||||
| A | 198.49.23.145🇺🇸 SQUARESPACE | ||||||
| A | 198.185.159.144🇺🇸 SQUARESPACE | ||||||
| A | 198.185.159.145🇺🇸 SQUARESPACE | ||||||
PTR for
MX for
AI analysis
ussf53.upstreamsecurity.net serves as a mail server for sheldonisd.com, dinecollege.edu, susd.org and ivcc.edu.
Commonly, ussf52.upstreamsecurity.net, ussf332.upstreamsecurity.net and ussf33.upstreamsecurity.net serve as mail server together with ussf53.upstreamsecurity.net.
ussf53.upstreamsecurity.net points to IP number 38.99.86.53.