CF1762675406014-tsm20251108202040

MXLIST.NET - server1.is4u.com

Search for IP or hostnames:

server1.is4u.com checked at 2025-11-09T08:03:25.891Z 1129ms 44/44/44 100% R:7

server1.is4u.com

MXmail.is4u.com
MXmail.r4u.com
A2605:6400:20:13f6::1 🇺🇸 FRANTECH
PTRstar.is4u.com
A205.185.122.163🇺🇸 FRANTECH
PTRstar.is4u.com

is4u.com

MXmail.is4u.com
MXmail.r4u.com
NScuritiba.ns.porkbun.com
NSfortaleza.ns.porkbun.com
NSmaceio.ns.porkbun.com
NSsalvador.ns.porkbun.com
A2605:6400:20:13f6::1 🇺🇸 FRANTECH
A205.185.122.163🇺🇸 FRANTECH

Starts with same word

Starts similarily

AI analysis

server1.is4u.com points to two IPs: 2605:6400:20:13f6::1 and 205.185.122.163.

Other host names, for instance ns2.is4u.com, is4u.com, star.is4u.com, server2.is4u.com and ns1.is4u.com share IP numbers with server1.is4u.com.

Two mail servers handle server1.is4u.com: mail.is4u.com and mail.r4u.com.

server1.is4u.com shares the same mail server setup as other domains, including ns1.is4u.com, r4u.com, star.r4u.com, ns2.is4u.com and is4u.com.

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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