CF1762072479097-tsm20251102073205

WWW.RTSAK.COM - firstus.com

Search for IP or hostnames:

firstus.com checked at 2025-11-02T08:34:39.085Z 191ms 121/121/121 100% R:15

firstus.com

NSns43.domaincontrol.com
A2603:5:2152::16 🇺🇸 GODADDY-DNS-GLOBAL
PTRns43.domaincontrol.com
A97.74.101.22🇺🇸 GODADDY-DNS-GLOBAL
PTRns43.domaincontrol.com
NSns44.domaincontrol.com
A2603:5:2252::16 🇺🇸 GODADDY-DNS-GLOBAL
PTRns44.domaincontrol.com
A173.201.69.22🇺🇸 GODADDY-DNS-GLOBAL
PTRns44.domaincontrol.com
MXmx1-us1.ppe-hosted.com
A67.231.154.162🇺🇸 Proofpoint
PTRmx1-us1.ppe-hosted.com
A148.163.129.50🇺🇸 AS13916
PTRmx1-us1.ppe-hosted.com
MXmx2-us1.ppe-hosted.com
A67.231.154.163🇺🇸 Proofpoint
PTRmx2-us1.ppe-hosted.com
A148.163.129.51🇺🇸 AS13916
PTRmx2-us1.ppe-hosted.com
MXfirstus-com.mail.protection.outlook.com
A2a01:111:f403:c946::1 🇺🇸 Microsoft
PTRmail-ch1pr04cu00101.inbound.protection.outlook.com
A2a01:111:f403:f903:: 🇺🇸 Microsoft
A2a01:111:f403:f909:: 🇺🇸 Microsoft
PTRmail-bn6pr04cu00200.inbound.protection.outlook.com
A2a01:111:f403:f913::1 🇺🇸 Microsoft
PTRmail-cy5pr05cu00101.inbound.protection.outlook.com
A52.101.11.19🇺🇸 Microsoft
PTRmail-sa9pr04cu00203.inbound.protection.outlook.com
A52.101.40.6🇺🇸 Microsoft
PTRmail-cy1pr03cu00106.inbound.protection.outlook.com
A52.101.41.26🇺🇸 Microsoft
PTRmail-sj0pr03cu01702.inbound.protection.outlook.com
A52.101.42.4🇺🇸 Microsoft
PTRmail-co1pr03cu00104.inbound.protection.outlook.com
A141.193.213.10🇺🇸 Cloudflare London
A141.193.213.11🇺🇸 Cloudflare London

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Starts with same word

Starts similarily

AI analysis

firstus.com points to two IP numbers: 141.193.213.10 and 141.193.213.11.

Other host names such as briggsmarine.com, businessandfinance.com, theheathcote.net, endaids.org and readonarizona.org share IP numbers with firstus.com.

firstus.com is delegated to two name servers: ns43.domaincontrol.com and ns44.domaincontrol.com.

firstus.com uses the same name server setup as other domains, including socialme.mx, ppcrates.com, fmdiagnostics.com, escapetothemountains.com and fixosa.com.

Host names with two IP numbers:

ns43.domaincontrol.com points to 2603:5:2152::16 and 97.74.101.22.

ns44.domaincontrol.com points to 2603:5:2252::16 and 173.201.69.22.

Three mail servers handle firstus.com: mx1-us1.ppe-hosted.com, mx2-us1.ppe-hosted.com and firstus-com.mail.protection.outlook.com.

firstus.com shares at least some mail servers with other domains, for example simply-kitchens-norfolk.com, pursepower.com, millselectric.net, pretec.com.au and jeevatrials.com.

Host names with eight IP numbers:

firstus-com.mail.protection.outlook.com points to: 2a01:111:f403:c946::1, 2a01:111:f403:f903::, 2a01:111:f403:f909::, 2a01:111:f403:f913::1, 52.101.11.19, 52.101.40.6, 52.101.41.26 and 52.101.42.4.

Host names with two IP numbers:

mx1-us1.ppe-hosted.com points to: 67.231.154.162 and 148.163.129.50.

mx2-us1.ppe-hosted.com points to: 67.231.154.163 and 148.163.129.51.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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fJqfMdC CF johedugfp 2025-11-02