ROBTEX.COM - ussf57.upstreamsecurity.net
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ussf57.upstreamsecurity.net checked at 2025-12-15T01:28:39.291Z 5113ms 36/36/37 97% R:7 allDone:false timedOut:true ussf57.upstreamsecurity.net
| A | 38.99.86.57🇺🇸 AS174 | ||||||
| PTR | ussf57.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
ussf57.upstreamsecurity.net acts as the mail server for g-pisd.org, chowkids.com, muhlenbergtwp.com, ci.fergus-falls.mn.us, gervais.k12.or.us and a few other domains.
Commonly, ussf56.upstreamsecurity.net, ussf562.upstreamsecurity.net and ussf572.upstreamsecurity.net serve as mail servers together with ussf57.upstreamsecurity.net.
ussf57.upstreamsecurity.net points to a single IP: 38.99.86.57.