IPLIST.NET - rs21.io

Search for IP or hostnames:

rs21.io checked at 2025-10-29T18:44:58.350Z 485ms 116/116/116 100% R:10

`rs21.io`

NS	`ns-100.awsdns-12.com`
		A	2600:9000:5300:6400::1 ^{🇺🇸 Amazon}
			PTR	`ns-100.awsdns-12.com`
		A	205.251.192.100^{🇺🇸 Amazon}
			PTR	`ns-100.awsdns-12.com`
NS	`ns-655.awsdns-17.net`
		A	2600:9000:5302:8f00::1 ^{🇺🇸 Amazon}
			PTR	`ns-655.awsdns-17.net`
		A	205.251.194.143^{🇺🇸 Amazon}
			PTR	`ns-655.awsdns-17.net`
NS	`ns-1371.awsdns-43.org`
		A	2600:9000:5305:5b00::1 ^{🇺🇸 Amazon}
			PTR	`ns-1371.awsdns-43.org`
		A	205.251.197.91^{🇺🇸 Amazon}
			PTR	`ns-1371.awsdns-43.org`
NS	`ns-1539.awsdns-00.co.uk`
		A	2600:9000:5306:300::1 ^{🇺🇸 Amazon}
			PTR	`ns-1539.awsdns-00.co.uk`
		A	205.251.198.3^{🇺🇸 Amazon}
			PTR	`ns-1539.awsdns-00.co.uk`
MX	`rs21-io.mail.protection.outlook.com`
		A	2a01:111:f403:c946::1 ^{🇺🇸 Microsoft}
			PTR	`mail-ch1pr04cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f902::1 ^{🇺🇸 Microsoft}
			PTR	`mail-bl2pr02cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f908:: ^{🇺🇸 Microsoft}
			PTR	`mail-bn1pr21cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f90d:: ^{🇺🇸 Microsoft}
			PTR	`mail-sn1pr0501cu00200.inbound.protection.outlook.com`
		A	52.101.9.26^{🇺🇸 Microsoft}
			PTR	`mail-bl0pr02cu00702.inbound.protection.outlook.com`
		A	52.101.11.19^{🇺🇸 Microsoft}
			PTR	`mail-sa9pr04cu00203.inbound.protection.outlook.com`
		A	52.101.41.21^{🇺🇸 Microsoft}
			PTR	`mail-sj2pr05cu00305.inbound.protection.outlook.com`
		A	52.101.194.17^{🇺🇸 Microsoft}
			PTR	`mail-ch5pr02cu00401.inbound.protection.outlook.com`
A	198.185.159.144^{🇺🇸 Squarespace-AS}

`io`

	NS	`a0.nic.io`
	NS	`a2.nic.io`
	NS	`b0.nic.io`
	NS	`c0.nic.io`

Starts with same word

rs21.cn

rs21.co.uk

rs21.io

rs21.com

rs21.org.uk

rs21.ru

rs21.net

Starts similarily

s12r.eu

2rs1.com

12sr.blue

sr12.com

sr21.de

s12r.de

s2r1.org

r12s.com

rs21.cn

rs12.com

rs21.co.uk

12rs.de

12sr.cc

rs21.io

rs21.com

rs21.org.uk

sr21.com

21rs.es

rs21.ru

rs21.net

12sr.net

sr21.com.cn

12rs.com

sr21.co.jp

s12r.net

rs12.ru

2r1s.com

21sr.com

sr21.net

12sr.org

rs12.de

AI analysis

rs21.io points to an IP address: 198.185.159.144.

other host names include ingeniousitsolutions.com, chirealestatebroker.com, octigers.com, breedekloofmakers.com and thegregsantos.com; they share IP numbers with rs21.io.

rs21.io delegates to four name servers: ns-100.awsdns-12.com, ns-655.awsdns-17.net, ns-1371.awsdns-43.org and ns-1539.awsdns-00.co.uk.

rs21.io at least partially shares name servers with other domains, for instance ovivowater.es, bathhousebait.com, viagener2020.com, d5q0be1ggj02z.cloudfront.net and gnpd.cn.

These name servers are commonly used with the following: ns-1697.awsdns-20.co.uk, ns-708.awsdns-24.net, ns-1444.awsdns-52.org and ns-1728.awsdns-24.co.uk.

Host names with two IP numbers: ns-100.awsdns-12.com points to 2600:9000:5300:6400::1 and 205.251.192.100; ns-655.awsdns-17.net points to 2600:9000:5302:8f00::1 and 205.251.194.143; ns-1371.awsdns-43.org points to 2600:9000:5305:5b00::1 and 205.251.197.91; ns-1539.awsdns-00.co.uk points to 2600:9000:5306:300::1 and 205.251.198.3.

rs21.io is handled by a single mail server, rs21-io.mail.protection.outlook.com.

Hostname rs21-io.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c946::1, 2a01:111:f403:f902::1, 2a01:111:f403:f908::, 2a01:111:f403:f90d::, 52.101.9.26, 52.101.11.19, 52.101.41.21 and 52.101.194.17.

dbq