WWW.RTSAK.COM - rs21.io

Search for IP or hostnames:

rs21.io checked at 2025-10-07T01:30:22.396Z 181ms 116/116/116 100% R:15

`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:c922::2 ^{🇺🇸 Microsoft}
			PTR	`mail-bl0pr02cu00702.inbound.protection.outlook.com`
		A	2a01:111:f403:f802:: ^{🇺🇸 Microsoft}
			PTR	`mail-byapr05cu00400.inbound.protection.outlook.com`
		A	2a01:111:f403:f805:: ^{🇺🇸 Microsoft}
			PTR	`mail-mw2pr02cu00400.inbound.protection.outlook.com`
		A	2a01:111:f403:f901::2 ^{🇺🇸 Microsoft}
			PTR	`mail-bl2pr02cu00402.inbound.protection.outlook.com`
		A	52.101.8.32^{🇺🇸 Microsoft}
			PTR	`mail-dm5pr02cu00100.inbound.protection.outlook.com`
		A	52.101.8.36^{🇺🇸 Microsoft}
		A	52.101.41.3^{🇺🇸 Microsoft}
			PTR	`mail-sj2pr05cu00103.inbound.protection.outlook.com`
		A	52.101.42.4^{🇺🇸 Microsoft}
			PTR	`mail-co1pr03cu00104.inbound.protection.outlook.com`
A	198.185.159.144^{🇺🇸 SQUARESPACE}

`io`

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

Starts with same word

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rs21.co.uk

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rs21.org.uk

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Starts similarily

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sr12.com

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s2r1.org

r12s.com

rs21.cn

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AI analysis

rs21.io points to IP number 198.185.159.144.

For instance, other host names ingeniousitsolutions.com, chirealestatebroker.com, octigers.com, breedekloofmakers.com and thegregsantos.com share IP numbers with rs21.io.

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

These name servers are commonly used alongside ns-1697.awsdns-20.co.uk, ns-708.awsdns-24.net, ns-1444.awsdns-52.org, ns-1955.awsdns-52.co.uk, ns-1728.awsdns-24.co.uk and ns-1461.awsdns-54.org.

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.

Host name rs21-io.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c922::2, 2a01:111:f403:f802::, 2a01:111:f403:f805::, 2a01:111:f403:f901::2, 52.101.8.32, 52.101.8.36, 52.101.41.3 and 52.101.42.4.

dbq