WWW.RTSAK.COM - firstclasssolutions.com

Search for IP or hostnames:

firstclasssolutions.com checked at 2025-10-05T01:19:44.074Z 218ms 88/88/88 100% R:17

`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:c902::7 ^{🇺🇸 Microsoft}
			PTR	`mail-sj0pr02cu00107.inbound.protection.outlook.com`
		A	2a01:111:f403:f802:: ^{🇺🇸 Microsoft}
			PTR	`mail-byapr05cu00400.inbound.protection.outlook.com`
		A	2a01:111:f403:f901::2 ^{🇺🇸 Microsoft}
			PTR	`mail-bl2pr02cu00402.inbound.protection.outlook.com`
		A	2a01:111:f403:f90c:: ^{🇺🇸 Microsoft}
			PTR	`mail-sn1pr03cu00100.inbound.protection.outlook.com`
		A	52.101.9.12^{🇺🇸 Microsoft}
			PTR	`mail-bl0pr05cu00504.inbound.protection.outlook.com`
		A	52.101.10.1^{🇺🇸 Microsoft}
			PTR	`mail-bn6pr02cu00301.inbound.protection.outlook.com`
		A	52.101.42.6^{🇺🇸 Microsoft}
			PTR	`mail-mw2pr02cu00306.inbound.protection.outlook.com`
		A	52.101.194.17^{🇺🇸 Microsoft}
			PTR	`mail-ch5pr02cu00401.inbound.protection.outlook.com`
A	47.50.196.137^{🇺🇸 Charter Communications}
		PTR	`syn-047-050-196-137.biz.spectrum.com`

autodiscover.firstclasssolutions.com

firstclasssolutions.info

firstclasssolutions.com

firstclasssolutions.net

firstclasssolutions.com

firstclasssolutions.net

firstclasssolutions.info

firstclasssolutions.com is the parent of autodiscover.firstclasssolutions.com.

firstclasssolutions.com resolves to a single IP address: 47.50.196.137.

Other host names including 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.

firstclasssolutions.com's delegation uses two name servers, ns91.worldnic.com and ns92.worldnic.com.

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

Host names with a single IP:

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

Hostname firstclasssolutions-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::7, 2a01:111:f403:f802::, 2a01:111:f403:f901::2, 2a01:111:f403:f90c::, 52.101.9.12, 52.101.10.1, 52.101.42.6 and 52.101.194.17.

dbq