WWW.RTSAK.COM - ussf522.upstreamsecurity.net
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ussf522.upstreamsecurity.net checked at 2025-11-25T01:25:16.015Z 108ms 37/37/37 100% R:10 allDone:true timedOut:false ussf522.upstreamsecurity.net
| A | 50.145.4.52🇺🇸 COMCAST-IBONE | ||||||
| PTR | ussf52.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-AS | ||||||
| A | 198.49.23.145🇺🇸 Squarespace-AS | ||||||
| A | 198.185.159.144🇺🇸 Squarespace-AS | ||||||
| A | 198.185.159.145🇺🇸 Squarespace-AS | ||||||
MX for
AI analysis
ussf522.upstreamsecurity.net handles mail for susd.org, ivcc.edu and dinecollege.edu.
Commonly, ussf332.upstreamsecurity.net, ussf33.upstreamsecurity.net and ussf52.upstreamsecurity.net serve as mail servers together with ussf522.upstreamsecurity.net.
ussf522.upstreamsecurity.net points to a single IP: 50.145.4.52.