CF1759231112727-tsm20250929235914

WWW.ROBTEX.COM - critically.io

Search for IP or hostnames:

critically.io checked at 2025-09-30T11:18:32.709Z 197ms 191/191/191 100% 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 a single IP: 52.1.236.105.

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

critically.io is delegated 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 shares some name servers with other domains, for example firstapponline.com, oltica.com, d67cyg6drmqwg.cloudfront.net, sip-found.lab.eu.aws.bandwidth.com and goldilocks.com.ph.

these name servers are often 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-1157.awsdns-16.org, ns-634.awsdns-15.net, ns-1616.awsdns-10.co.uk and ns-1044.awsdns-02.org.

Host names with two IP numbers

Two IPs per host:

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 mail server setup with other domains, for example jellysquid.me, eren.co, luki.email, subrocket.com and rhymeswith.net.

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

Host names with three IP numbers: mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128; mailsec.protonmail.ch points 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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