ROBTEX.COM - ussf56.upstreamsecurity.net
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ussf56.upstreamsecurity.net checked at 2025-12-15T05:23:55.511Z 3511ms 37/37/37 100% R:7 allDone:true timedOut:false ussf56.upstreamsecurity.net
| A | 38.99.86.56🇺🇸 Cogent Communications, Inc. | ||||||
| PTR | ussf56.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
ussf56.upstreamsecurity.net serves mail for the domains chowkids.com, muhlenbergtwp.com, ci.fergus-falls.mn.us, gervais.k12.or.us, naco.k12.az.us and a few other domains.
Commonly, ussf57.upstreamsecurity.net, ussf562.upstreamsecurity.net and ussf572.upstreamsecurity.net serve as mail server together with ussf56.upstreamsecurity.net.
ussf56.upstreamsecurity.net points to IP number 38.99.86.56.