WWW.RTSAK.COM - courtesymasters.com

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courtesymasters.com checked at 2025-10-24T07:46:24.131Z 169ms 93/93/93 100% R:18

`courtesymasters.com`

NS	`ns1.yoursrs.com`
		A	2603:1020:200::682f:a758 ^{🇳🇱 Microsoft}
		A	104.47.151.178^{🇳🇱 Microsoft}
			PTR	`ns1.yoursrs.com`
NS	`ns2.yoursrs.com`
		A	2603:1020:c01:4::8 ^{🇩🇪 Microsoft}
		A	20.79.93.42^{🇩🇪 Microsoft}
			PTR	`ns2.yoursrs.com`
MX	`courtesymasters-com.mail.protection.outlook.com`
		A	2a01:111:f403:ca04::2 ^{🇮🇪 Microsoft}
			PTR	`mail-du2pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::a ^{🇮🇪 Microsoft}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::b ^{🇮🇪 Microsoft}
			PTR	`mail-dbbpr03cu00103.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::4 ^{🇳🇱 Microsoft}
			PTR	`mail-am0pr04cu00504.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.21^{🇮🇪 Microsoft}
			PTR	`mail-db4pr02cu00205.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft}
			PTR	`mail-dbapr03cu00105.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
A	198.202.211.1^{🇺🇸 Cloudflare London}

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courtesymasters.com resolves to a single IP: 198.202.211.1.

Other host names, for instance collective-growth.com, flexscale.com, regencyhcs.com, zoaring.com and homeward.com.au share IP numbers with courtesymasters.com.

courtesymasters.com has two name servers: ns1.yoursrs.com and ns2.yoursrs.com.

courtesymasters.com shares the same name server setup as other domains, for example pianino.eu, deken.be, bijlesstudent.nl, peanut.eu and gel.nl.

Host names with two IP numbers:

ns1.yoursrs.com points to: 2603:1020:200::682f:a758 and 104.47.151.178; ns2.yoursrs.com points to: 2603:1020:c01:4::8 and 20.79.93.42.

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

Host courtesymasters-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::2, 2a01:111:f403:ca04::a, 2a01:111:f403:ca04::b, 2a01:111:f403:ca09::4, 52.101.68.5, 52.101.68.21, 52.101.68.29 and 52.101.73.2.

dbq