WWW.RTSAK.COM - 1stclassms.com

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1stclassms.com checked at 2025-11-26T02:51:13.428Z 185ms 101/101/101 100% R:14 allDone:true timedOut:false

`1stclassms.com`

NS	`ns13.domaincontrol.com`
		A	2603:5:21a0::7 ^{🇺🇸 GODADDY-DNS-GLOBAL}
			PTR	`ns13.domaincontrol.com`
		A	97.74.106.7^{🇺🇸 GODADDY-DNS-GLOBAL}
			PTR	`ns13.domaincontrol.com`
NS	`ns14.domaincontrol.com`
		A	2603:5:22a0::7 ^{🇺🇸 GODADDY-DNS-GLOBAL}
			PTR	`ns14.domaincontrol.com`
		A	173.201.74.7^{🇺🇸 GODADDY-DNS-GLOBAL}
			PTR	`ns14.domaincontrol.com`
MX	`1stclassms-com.mail.protection.outlook.com`
		A	2a01:111:f403:c92c::1 ^{🇺🇸 Microsoft}
			PTR	`mail-dm6pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:f805:: ^{🇺🇸 Microsoft}
			PTR	`mail-mw2pr02cu00400.inbound.protection.outlook.com`
		A	2a01:111:f403:f902::2 ^{🇺🇸 Microsoft}
			PTR	`mail-mn2pr02cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:f90d::1 ^{🇺🇸 Microsoft}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	52.101.9.21^{🇺🇸 Microsoft}
			PTR	`mail-bl2pr04cu00205.inbound.protection.outlook.com`
		A	52.101.11.10^{🇺🇸 Microsoft}
			PTR	`mail-sa9pr03cu00202.inbound.protection.outlook.com`
		A	52.101.41.24^{🇺🇸 Microsoft}
			PTR	`mail-sj0pr03cu01600.inbound.protection.outlook.com`
		A	52.101.194.17^{🇺🇸 Microsoft}
			PTR	`mail-ch5pr02cu00401.inbound.protection.outlook.com`
A	3.33.251.168^{🇺🇸 Amazon}
		PTR	`aec037177372cc6cd.awsglobalaccelerator.com`
A	15.197.225.128^{🇺🇸 Amazon}
		PTR	`aec037177372cc6cd.awsglobalaccelerator.com`

www.1stclassms.com

1stclassms.com

1stclassms.com

1stclassms.com is the parent of www.1stclassms.com.

1stclassms.com resolves to two IP numbers: 3.33.251.168 and 15.197.225.128.

other host names including eserbia.com, coloradojobs.net, galenaroast.com, bingo-maker.com and namearabic.com share IP numbers with 1stclassms.com.

1stclassms.com is delegated to two name servers ns13.domaincontrol.com and ns14.domaincontrol.com.

1stclassms.com shares the same name server setup as other domains, for instance tumbleweedbikes.com, umzugsfamily.de, beyond-socialsecurity.com, niemann-laes.de and hot-roses.com.

Host names with two IP numbers:

The host name ns13.domaincontrol.com points to 2603:5:21a0::7 and 97.74.106.7; the host name ns14.domaincontrol.com points to 2603:5:22a0::7 and 173.201.74.7.

1stclassms.com is handled by a single mail server, 1stclassms-com.mail.protection.outlook.com.

Host 1stclassms-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c92c::1, 2a01:111:f403:f805::, 2a01:111:f403:f902::2, 2a01:111:f403:f90d::1, 52.101.9.21, 52.101.11.10, 52.101.41.24 and 52.101.194.17.