CF1758840816978-tsm20250925114901

WWW.RTSAK.COM - challenge.fi

Search for IP or hostnames:

challenge.fi checked at 2025-09-25T22:53:36.906Z 732ms 119/119/119 100% R:12

challenge.fi

MXsmtp.google.com
A2607:f8b0:4004:c17::1a 🇺🇸 Google
PTRbl-in-f26.1e100.net
A2607:f8b0:4004:c17::1b 🇺🇸 Google
PTRbl-in-f27.1e100.net
A2607:f8b0:4004:c1f::1a 🇺🇸 Google
PTRpd-in-f26.1e100.net
A2607:f8b0:4004:c1f::1b 🇺🇸 Google
PTRpd-in-f27.1e100.net
A142.251.16.26🇺🇸 Google
PTRbl-in-f26.1e100.net
A142.251.16.27🇺🇸 Google
PTRbl-in-f27.1e100.net
A142.251.179.26🇺🇸 Google
PTRpd-in-f26.1e100.net
A142.251.179.27🇺🇸 Google
PTRpd-in-f27.1e100.net
A192.178.155.27🇺🇸 Google
PTRyuiadrs-in-f27.1e100.net
NSns-245-b.gandi.net
A2001:4b98:aaab::f6 🇫🇷 Gandi LiveDNS
PTRns-245-b.gandi.net
A213.167.230.246🇫🇷 Gandi LiveDNS
PTRns-245-b.gandi.net
NSns-253-c.gandi.net
A2604:3400:aaac::fe 🇺🇸 Gandi LiveDNS
PTRns-253-c.gandi.net
A217.70.187.254🇫🇷 Gandi LiveDNS
PTRns-253-c.gandi.net
NSns-52-a.gandi.net
A2001:4b98:aaaa::35 🇫🇷 Gandi LiveDNS
PTRns-52-a.gandi.net
A173.246.100.53🇺🇸 Gandi LiveDNS
PTRns-52-a.gandi.net
A16.171.24.6🇸🇪 Amazon
PTRec2-16-171-24-6.eu-north-1.compute.amazonaws.com

fi

NSa.fi
NSb.fi
NSc.fi
NSd.fi
NSe.fi
NSf.fi
NSg.fi
NSi.fi
NSj.fi
NSk.fi

Starts with same word

Starts similarily

AI analysis

challenge.fi points to a single IP address: 16.171.24.6.

Other host names, for instance ec2-16-171-24-6.eu-north-1.compute.amazonaws.com, share IP numbers with challenge.fi.

challenge.fi is delegated to three name servers: ns-245-b.gandi.net, ns-253-c.gandi.net and ns-52-a.gandi.net.

At least part of the name servers for challenge.fi are shared with other domains, for instance bhold.com, dong.li, anvil.ro, loftfactory.com and avs-eurl.com.

these name servers are commonly used with the name servers ns-42-c.gandi.net, ns-137-c.gandi.net, ns-179-a.gandi.net, ns-10-a.gandi.net, ns-219-c.gandi.net, ns-0-c.gandi.net, ns-20-a.gandi.net, ns-136-c.gandi.net, ns-71-c.gandi.net and ns-176-a.gandi.net.

Host names with two IP numbers:

ns-245-b.gandi.net points to 2001:4b98:aaab::f6 and 213.167.230.246

ns-253-c.gandi.net points to 2604:3400:aaac::fe and 217.70.187.254

ns-52-a.gandi.net points to 2001:4b98:aaaa::35 and 173.246.100.53

The mail server for challenge.fi is smtp.google.com.

challenge.fi uses the same mail server setup as other domains, for instance proativa.pt, sportskagimnazija.edu.mk, carrotmob.org, fairfieldathleticclub.com and habin.net.

challenge.fi shares at least some mail servers with other domains, for example benchmark.edu.pk, jmsgwd.com, hantek.com.tw, borkruwittaya.ac.th and www.ceydeli.com.

these mail servers are often used together with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

smtp.google.com resolves to nine IP numbers: 2607:f8b0:4004:c17::1a, 2607:f8b0:4004:c17::1b, 2607:f8b0:4004:c1f::1a, 2607:f8b0:4004:c1f::1b, 142.251.16.26, 142.251.16.27, 142.251.179.26, 142.251.179.27 and 192.178.155.27.

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

HuZopSP CF johedugfp 2025-09-25