CF1759774726282-tsm20251005211530

WWW.RTSAK.COM - www.is4u.com

Search for IP or hostnames:

www.is4u.com checked at 2025-10-06T18:18:46.236Z 834ms 95/95/95 100% R:9

www.is4u.com

CNAMEis4u.com
MXmail.is4u.com
MXmail.r4u.com
NScuritiba.ns.porkbun.com
A2400:cb00:2049:1::adf5:3a25 🇺🇸 Cloudflare
A173.245.58.37🇺🇸 Cloudflare
NSfortaleza.ns.porkbun.com
A2400:cb00:2049:1::a29f:88c 🇺🇸 Cloudflare
A162.159.8.140 Cloudflare
NSmaceio.ns.porkbun.com
A2400:cb00:2049:1::a29f:bb4 🇺🇸 Cloudflare
A162.159.11.180 Cloudflare
NSsalvador.ns.porkbun.com
A2400:cb00:2049:1::a29f:a96 🇺🇸 Cloudflare
A162.159.10.150 Cloudflare
A2605:6400:20:13f6::1 🇺🇸 FranTech Solutions
PTRstar.is4u.com
A205.185.122.163🇺🇸 FranTech Solutions
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 Solutions
A205.185.122.163🇺🇸 FranTech Solutions

Starts with same word

Starts similarily

AI analysis

www.is4u.com points to two IP numbers: 2605:6400:20:13f6::1 and 205.185.122.163.

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

www.is4u.com is delegated to four name servers: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.

www.is4u.com at least partially shares name servers with other domains, for instance kaetheflynnauthor.com, spottswebsolutions.com, myswiftspace.com, trihedraf.net and aviaa.net.

Host names with two IP numbers:

curitiba.ns.porkbun.com points to: 2400:cb00:2049:1::adf5:3a25 and 173.245.58.37.

fortaleza.ns.porkbun.com points to: 2400:cb00:2049:1::a29f:88c and 162.159.8.140.

maceio.ns.porkbun.com points to: 2400:cb00:2049:1::a29f:bb4 and 162.159.11.180.

salvador.ns.porkbun.com points to: 2400:cb00:2049:1::a29f:a96 and 162.159.10.150.

www.is4u.com is handled by two mail servers: mail.is4u.com and mail.r4u.com.

www.is4u.com uses the same mail server configuration as other domains, such as server2.is4u.com, server1.is4u.com, ns1.is4u.com, r4u.com and star.r4u.com.

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

DZRkqcL CF johedugfp 2025-10-06