CF1759588437545-tsm20251004101907

WWW.ROBTEX.COM - challenge-ei.com

Search for IP or hostnames:

challenge-ei.com checked at 2025-10-04T14:33:57.525Z 215ms 198/198/198 100% R:14

challenge-ei.com

NSns1.bdm.microsoftonline.com
A2603:1061:0:700::d0🇺🇸 Microsoft
PTRns1-208.azure-dns.com
A13.107.236.208🇺🇸 Microsoft
PTRns1-208.azure-dns.com
NSns2.bdm.microsoftonline.com
A2620:1ec:8ec:700::d0🇺🇸 Microsoft
PTRns2-208.azure-dns.net
A150.171.21.208🇺🇸 Microsoft
PTRns2-208.azure-dns.net
NSns3.bdm.microsoftonline.com
A2a01:111:4000:700::d0🇬🇧 Microsoft
PTRns3-208.azure-dns.org
A204.14.183.208🇺🇸 Microsoft
PTRns3-208.azure-dns.org
NSns4.bdm.microsoftonline.com
A2620:1ec:bda:700::d0🇺🇸 Microsoft
PTRns4-208.azure-dns.info
A208.84.5.208🇺🇸 Microsoft
PTRns4-208.azure-dns.info
MXchallengeei-com02c.mail.protection.outlook.com
A2a01:111:f403:c903::1🇺🇸 Microsoft
PTRmail-mw2pr02cu00301.inbound.protection.outlook.com
A2a01:111:f403:f802::1🇺🇸 Microsoft
PTRmail-sj2pr05cu00101.inbound.protection.outlook.com
A2a01:111:f403:f802::2🇺🇸 Microsoft
PTRmail-sj2pr05cu00202.inbound.protection.outlook.com
A2a01:111:f403:f908::1🇺🇸 Microsoft
PTRmail-bn1pr04cu00101.inbound.protection.outlook.com
A52.101.8.46🇺🇸 Microsoft
PTRmail-dm6pr05cu00406.inbound.protection.outlook.com
A52.101.9.21🇺🇸 Microsoft
PTRmail-bl2pr04cu00205.inbound.protection.outlook.com
A52.101.40.0🇺🇸 Microsoft
PTRmail-cy5pr03cu00300.inbound.protection.outlook.com
A52.101.41.22🇺🇸 Microsoft
PTRmail-sj2pr05cu00406.inbound.protection.outlook.com
A67.222.37.210🇺🇸 Endurance International Group, Inc
PTR67-222-37-210.unifiedlayer.com

com

NSa.gtld-servers.net
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net

Starts with same word

Starts similarily

AI analysis

challenge-ei.com points to a single IP address: 67.222.37.210.

challenge-ei.com is delegated to four name servers: ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and ns4.bdm.microsoftonline.com.

At least part of the name servers for challenge-ei.com are shared with other domains, for instance welfareunithire.co.uk, eds-az.com, satishielding.com, blindworldusa.com and indicainteriors.com.

These name servers are commonly used alongside ns1.register.it and ns2.register.it.

Host names with two IP numbers:

ns1.bdm.microsoftonline.com points to: 2603:1061:0:700::d0 and 13.107.236.208

ns2.bdm.microsoftonline.com points to: 2620:1ec:8ec:700::d0 and 150.171.21.208

ns3.bdm.microsoftonline.com points to: 2a01:111:4000:700::d0 and 204.14.183.208

ns4.bdm.microsoftonline.com points to: 2620:1ec:bda:700::d0 and 208.84.5.208

The mail server for challenge-ei.com is challengeei-com02c.mail.protection.outlook.com.

challengeei-com02c.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c903::1, 2a01:111:f403:f802::1, 2a01:111:f403:f802::2, 2a01:111:f403:f908::1, 52.101.8.46, 52.101.9.21, 52.101.40.0 and 52.101.41.22.

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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PYdBrOl CF johedugfp 2025-10-04