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firstclasssolutions.com checked at 2025-12-27T18:23:26.925Z 298ms 88/88/88 100% R:15 allDone:true timedOut:false cfaller:3fcbdf5b/17:9af4984a:16691:undefined

`firstclasssolutions.com`

NS	`ns91.worldnic.com`
		A	162.159.26.217^Cloudflare
NS	`ns92.worldnic.com`
		A	162.159.27.155^Cloudflare
MX	`firstclasssolutions-com.mail.protection.outlook.com`
		A	2a01:111:f403:c927::1^{🇺🇸 Microsoft}
			PTR	`mail-bn8pr05cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:c931::^{🇺🇸 Microsoft}
			PTR	`mail-sn1pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f805::^{🇺🇸 Microsoft}
			PTR	`mail-mw2pr02cu00400.inbound.protection.outlook.com`
		A	2a01:111:f403:f90c::^{🇺🇸 Microsoft}
			PTR	`mail-sn1pr03cu00100.inbound.protection.outlook.com`
		A	52.101.8.34^{🇺🇸 Microsoft}
			PTR	`mail-dm2pr04cu00102.inbound.protection.outlook.com`
		A	52.101.8.36^{🇺🇸 Microsoft}
		A	52.101.9.2^{🇺🇸 Microsoft}
			PTR	`mail-mn2pr02cu00202.inbound.protection.outlook.com`
		A	52.101.40.1^{🇺🇸 Microsoft}
			PTR	`mail-cy4pr03cu00101.inbound.protection.outlook.com`
A	47.50.196.137^{🇺🇸 Charter Communications}
		PTR	`syn-047-050-196-137.biz.spectrum.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`

Up

autodiscover.firstclasssolutions.com

Starts with same word

firstclasssolutions.info

firstclasssolutions.com

firstclasssolutions.net

Starts similarily

firstclasssolutions.com

firstclasssolutions.net

firstclasssolutions.info

AI analysis

firstclasssolutions.com is a parent of autodiscover.firstclasssolutions.com.

firstclasssolutions.com points to a single IP number: 47.50.196.137.

Other host names, for instance fcsusa.com, cortrack.com, syn-047-050-196-137.biz.spectrum.com, host.cortrak.com and host.anthion.com share IP numbers with firstclasssolutions.com.

Delegation for firstclasssolutions.com rests with two name servers, ns91.worldnic.com and ns92.worldnic.com.

firstclasssolutions.com shares the same name server setup as other domains, including tlslifts.com, gotoalarm.net, entergynewsroom.com, heatnrg.com and atransins.com.

Host names with one IP number: ns91.worldnic.com points to 162.159.26.217; ns92.worldnic.com points to 162.159.27.155.

firstclasssolutions.com is handled by a single mail server, firstclasssolutions-com.mail.protection.outlook.com.

firstclasssolutions-com.mail.protection.outlook.com resolves to eight IP addresses: 2a01:111:f403:c927::1, 2a01:111:f403:c931::, 2a01:111:f403:f805::, 2a01:111:f403:f90c::, 52.101.8.34, 52.101.8.36, 52.101.9.2 and 52.101.40.1.