WWW.RTSAK.COM - first.io

Search for IP or hostnames:

first.io checked at 2025-09-25T13:37:31.348Z 1928ms 142/142/142 100% R:15

`first.io`

NS	`ns-249.awsdns-31.com`
		A	2600:9000:5300:f900::1 ^{🇺🇸 Amazon}
			PTR	`ns-249.awsdns-31.com`
		A	205.251.192.249^{🇺🇸 Amazon}
			PTR	`ns-249.awsdns-31.com`
MX	`us-smtp-inbound-1.mimecast.com`
		A	170.10.128.141^{🇺🇸 Mimecast-NA}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
MX	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.141^{🇺🇸 Mimecast-NA}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.221^{🇺🇸 Mimecast-NA}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.128.242^{🇺🇸 Mimecast-NA}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.141^{🇺🇸 Mimecast-NA}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.221^{🇺🇸 Mimecast-NA}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
		A	170.10.132.242^{🇺🇸 Mimecast-NA}
			PTR	`us-smtp-inbound-1.mimecast.com`
			PTR	`us-smtp-inbound-2.mimecast.com`
NS	`ns-547.awsdns-04.net`
		A	2600:9000:5302:2300::1 ^{🇺🇸 Amazon}
			PTR	`ns-547.awsdns-04.net`
		A	205.251.194.35^{🇺🇸 Amazon}
			PTR	`ns-547.awsdns-04.net`
NS	`ns-1435.awsdns-51.org`
		A	2600:9000:5305:9b00::1 ^{🇺🇸 Amazon}
			PTR	`ns-1435.awsdns-51.org`
		A	205.251.197.155^{🇺🇸 Amazon}
			PTR	`ns-1435.awsdns-51.org`
NS	`ns-1913.awsdns-47.co.uk`
		A	2600:9000:5307:7900::1 ^{🇺🇸 Amazon}
			PTR	`ns-1913.awsdns-47.co.uk`
		A	205.251.199.121^{🇺🇸 Amazon}
			PTR	`ns-1913.awsdns-47.co.uk`
A	34.214.158.199^{🇺🇸 Amazon}
		PTR	`ec2-34-214-158-199.us-west-2.compute.amazonaws.com`
A	54.148.114.63^{🇺🇸 Amazon}
		PTR	`ec2-54-148-114-63.us-west-2.compute.amazonaws.com`

`io`

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

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Starts similarily

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frist.com

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first.lib.ms.us

first.pt

first.am

first.tours

frits.dk

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first.restaurant

first.camera

first.edu

first.com.tr

AI analysis

first.io resolves to two IP numbers: 34.214.158.199 and 54.148.114.63.

first.io is delegated to four name servers: ns-249.awsdns-31.com, ns-547.awsdns-04.net, ns-1435.awsdns-51.org and ns-1913.awsdns-47.co.uk.

first.io at least partially shares name servers with other domains, for instance lokomix.com, rejoiner.com, wwprojects.com, castlegar.ca and 5gbet3.com.

Name servers commonly used together include ns-26.awsdns-03.com, ns-874.awsdns-45.net, ns-1090.awsdns-08.org, ns-328.awsdns-41.com, ns-472.awsdns-59.com, ns-757.awsdns-30.net, ns-1237.awsdns-26.org, ns-892.awsdns-47.net and ns-1560.awsdns-03.co.uk.

Host names with two IP numbers:

ns-249.awsdns-31.com points to 2600:9000:5300:f900::1 and 205.251.192.249; ns-547.awsdns-04.net points to 2600:9000:5302:2300::1 and 205.251.194.35; ns-1435.awsdns-51.org points to 2600:9000:5305:9b00::1 and 205.251.197.155; ns-1913.awsdns-47.co.uk points to 2600:9000:5307:7900::1 and 205.251.199.121.

Two mail servers handle first.io: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

first.io shares the same mail server setup as other domains, for instance icorps.com, bpsjet.com, crtecchina.com, uniformadvantage.com and kestrafinancialpws.com.

first.io shares at least partially some mail servers with other domains, including swnow.eu, advantedgehr.com and mail.electromek.com.

Host names with six IP numbers:

The host names us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com point to: 170.10.128.141, 170.10.128.221, 170.10.128.242, 170.10.132.141, 170.10.132.221 and 170.10.132.242.

Host names that point to 170.10.128.141: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Host names that point to 170.10.128.221: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Host names that point to 170.10.128.242: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Host names that point to 170.10.132.141: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Host names that point to 170.10.132.221: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

Host names that point to 170.10.132.242: us-smtp-inbound-1.mimecast.com and us-smtp-inbound-2.mimecast.com.

dbq