CF1759857102451-tsm20251005211530

NSLIST.NET - mail.is4u.com

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mail.is4u.com checked at 2025-10-07T17:11:42.429Z 559ms 101/101/101 100% R:13

mail.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

MX for

Starts with same word

Starts similarily

AI analysis

mail.is4u.com serves as the mail server for ns1.is4u.com, r4u.com, star.r4u.com, ns2.is4u.com and is4u.com, plus several other domains.

mail.r4u.com often serves as a mail server in conjunction with mail.is4u.com.

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

Other host names such as server2.is4u.com, server1.is4u.com, ns1.is4u.com, ns2.is4u.com and is4u.com share IPs with mail.is4u.com.

mail.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.

mail.is4u.com at least partially shares name servers with other domains, for instance gnow.co, centrodeformacioncontinua.com, dryanovski.com, provadore.com and kohsamui.org.

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.

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

The mail server setup for mail.is4u.com matches that of other domains, for instance 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.
dbq

WheDCrA CF johedugfp 2025-10-07