WWW.RTSAK.COM - challenge-ei.com

Search for IP or hostnames:

challenge-ei.com checked at 2025-09-20T21:55:56.721Z 282ms 113/113/113 100% R:18

`challenge-ei.com`

NS	`ns1.bdm.microsoftonline.com`
		A	2603:1061:0:700::d0 ^{🇺🇸 Microsoft}
			PTR	`ns1-208.azure-dns.com`
		A	13.107.236.208^{🇺🇸 Microsoft}
			PTR	`ns1-208.azure-dns.com`
NS	`ns2.bdm.microsoftonline.com`
		A	2620:1ec:8ec:700::d0 ^{🇺🇸 Microsoft}
			PTR	`ns2-208.azure-dns.net`
		A	150.171.21.208^{🇺🇸 Microsoft}
			PTR	`ns2-208.azure-dns.net`
NS	`ns3.bdm.microsoftonline.com`
		A	2a01:111:4000:700::d0 ^{🇬🇧 Microsoft}
			PTR	`ns3-208.azure-dns.org`
		A	204.14.183.208^{🇺🇸 Microsoft}
			PTR	`ns3-208.azure-dns.org`
NS	`ns4.bdm.microsoftonline.com`
		A	2620:1ec:bda:700::d0 ^{🇺🇸 Microsoft}
			PTR	`ns4-208.azure-dns.info`
		A	208.84.5.208^{🇺🇸 Microsoft}
			PTR	`ns4-208.azure-dns.info`
MX	`challengeei-com02c.mail.protection.outlook.com`
		A	2a01:111:f403:c803:: ^{🇺🇸 Microsoft}
			PTR	`mail-bn1pr21cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:c901::1 ^{🇺🇸 Microsoft}
			PTR	`mail-bl2pr04cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:f90b:: ^{🇺🇸 Microsoft}
			PTR	`mail-bn6pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f912:: ^{🇺🇸 Microsoft}
			PTR	`mail-cy5pr03cu00200.inbound.protection.outlook.com`
		A	52.101.10.14^{🇺🇸 Microsoft}
			PTR	`mail-bn6pr04cu00206.inbound.protection.outlook.com`
		A	52.101.41.22^{🇺🇸 Microsoft}
			PTR	`mail-sj2pr05cu00406.inbound.protection.outlook.com`
		A	52.101.42.4^{🇺🇸 Microsoft}
			PTR	`mail-co1pr03cu00104.inbound.protection.outlook.com`
		A	52.101.194.0^{🇺🇸 Microsoft}
			PTR	`mail-ch5pr02cu00200.inbound.protection.outlook.com`
A	67.222.37.210^{🇺🇸 Endurance International Group, Inc}
		PTR	`67-222-37-210.unifiedlayer.com`

`com`

	NS	`a.gtld-servers.net`
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`

Starts with same word

challenge-ei.com

challenge-ei.net

Starts similarily

henglai-elec.com

challenge-ei.com

challenge-ei.net

AI analysis

challenge-ei.com points to a single IP number: 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.

challenge-ei.com shares name servers with other domains at least partially, for instance welfareunithire.co.uk, eds-az.com, satishielding.com, blindworldusa.com and indicainteriors.com.

these name servers are commonly used together with ns1.register.it and ns2.register.it.

Host names with two IP numbers:

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

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

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

ns4.bdm.microsoftonline.com resolves 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.

Host challengeei-com02c.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c803::, 2a01:111:f403:c901::1, 2a01:111:f403:f90b::, 2a01:111:f403:f912::, 52.101.10.14, 52.101.41.22, 52.101.42.4 and 52.101.194.0.

dbq