CF1758595565462-tsm20250922102932

NSLIST.NET - critically.io

Search for IP or hostnames:

critically.io checked at 2025-09-23T02:46:05.449Z 174ms 116/116/116 100% R:14

critically.io

MXmail.protonmail.ch
A176.119.200.128🇨🇭 Proton AG
PTRmail.protonmail.ch
A185.70.42.128🇨🇭 Proton AG
PTRmail.protonmail.ch
A185.205.70.128🇫🇷 Proton AG
PTRmail.protonmail.ch
MXmailsec.protonmail.ch
A176.119.200.129🇨🇭 Proton AG
PTRmailsec.protonmail.ch
A185.70.42.129🇨🇭 Proton AG
PTRmailsec.protonmail.ch
A185.205.70.129🇫🇷 Proton AG
PTRmailsec.protonmail.ch
NSns-377.awsdns-47.com
A2600:9000:5301:7900::1 🇺🇸 Amazon
PTRns-377.awsdns-47.com
A205.251.193.121🇺🇸 Amazon
PTRns-377.awsdns-47.com
NSns-638.awsdns-15.net
A2600:9000:5302:7e00::1 🇺🇸 Amazon
PTRns-638.awsdns-15.net
A205.251.194.126🇺🇸 Amazon
PTRns-638.awsdns-15.net
NSns-1327.awsdns-37.org
A2600:9000:5305:2f00::1 🇺🇸 Amazon
PTRns-1327.awsdns-37.org
A205.251.197.47🇺🇸 Amazon
PTRns-1327.awsdns-37.org
NSns-1787.awsdns-31.co.uk
A2600:9000:5306:fb00::1 🇺🇸 Amazon
PTRns-1787.awsdns-31.co.uk
A205.251.198.251🇺🇸 Amazon
PTRns-1787.awsdns-31.co.uk
A52.1.236.105🇺🇸 Amazon
PTRec2-52-1-236-105.compute-1.amazonaws.com

io

NSa0.nic.io
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io

Starts with same word

Starts similarily

AI analysis

critically.io resolves to one IP number: 52.1.236.105.

Other host names, for example ec2-52-1-236-105.compute-1.amazonaws.com, share IP numbers with critically.io.

critically.io delegates to four name servers: ns-377.awsdns-47.com, ns-638.awsdns-15.net, ns-1327.awsdns-37.org and ns-1787.awsdns-31.co.uk.

critically.io at least partially shares name servers with other domains, including firstapponline.com, oltica.com, d67cyg6drmqwg.cloudfront.net, sip-found.lab.eu.aws.bandwidth.com and goldilocks.com.ph.

These name servers are commonly used with ns-1057.awsdns-04.org, ns-1548.awsdns-01.co.uk, ns-928.awsdns-52.net, ns-1505.awsdns-60.org, ns-1346.awsdns-40.org, ns-858.awsdns-43.net, ns-634.awsdns-15.net, ns-1616.awsdns-10.co.uk, ns-1044.awsdns-02.org and ns-1570.awsdns-04.co.uk.

Host names with two IP numbers: ns-377.awsdns-47.com points to 2600:9000:5301:7900::1 and 205.251.193.121; ns-638.awsdns-15.net points to 2600:9000:5302:7e00::1 and 205.251.194.126; ns-1327.awsdns-37.org points to 2600:9000:5305:2f00::1 and 205.251.197.47; ns-1787.awsdns-31.co.uk points to 2600:9000:5306:fb00::1 and 205.251.198.251.

critically.io is served by two mail servers mail.protonmail.ch and mailsec.protonmail.ch.

critically.io shares the same mail server setup as other domains, for instance jellysquid.me, eren.co, luki.email, subrocket.com and rhymeswith.net.

critically.io shares at least some mail servers with other domains, for example teachings.nl, trendmediaworld.com, thelastsimon.com, varghese.org and charlesc.net.

Host names with three IP numbers:

The host name mail.protonmail.ch resolves to 176.119.200.128, 185.70.42.128 and 185.205.70.128.

The host name mailsec.protonmail.ch resolves to 176.119.200.129, 185.70.42.129 and 185.205.70.129.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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