CF1761129805061-tsm20251017082432

DNSWHOIS.INFO - is4u.org

Search for IP or hostnames:

is4u.org checked at 2025-10-22T10:43:25.024Z 575ms 112/112/112 100% R:14

is4u.org

MXmail01.is4work.com
A138.19.35.170🇭🇰 HKBN-AS-AP
PTR138019035170.ctinets.com
MXmail02.is4work.com
A138.19.35.170🇭🇰 HKBN-AS-AP
PTR138019035170.ctinets.com
MXmail03.is4work.com
A138.19.35.170🇭🇰 HKBN-AS-AP
PTR138019035170.ctinets.com
MXmail04.is4work.com
A138.19.35.170🇭🇰 HKBN-AS-AP
PTR138019035170.ctinets.com
NSns1cny.name.com
A2a00:edc0:107::1 🇺🇸 NSONE
A163.114.216.17🇺🇸 NSONE
NSns2qvz.name.com
A2402:cf80:107::1 🇸🇬 NSONE
A163.114.216.49🇺🇸 NSONE
NSns3flt.name.com
A2a00:edc0:107::49 🇺🇸 NSONE
A163.114.217.17🇺🇸 NSONE
NSns4ksy.name.com
A2402:cf80:107::49 🇸🇬 NSONE
A163.114.217.49🇺🇸 NSONE
A218.255.25.186🇭🇰 HKBNES
PTRstatic.reserve.wtt.net.hk

org

NSa0.org.afilias-nst.info
NSa2.org.afilias-nst.info
NSc0.org.afilias-nst.info
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSd0.org.afilias-nst.org

Starts with same word

Starts similarily

AI analysis

is4u.org points to a single IP number: 218.255.25.186.

Other host names like neo-labels.com and prodigy4u.com share IP numbers with is4u.org.

is4u.org is delegated to four name servers: ns1cny.name.com, ns2qvz.name.com, ns3flt.name.com and ns4ksy.name.com.

is4u.org at least partially shares name servers with other domains, for instance sortiscapital.com, bob-gerrish.com, retireabroadnow.com, notablenofun.com and ballsdeep.com.

These name servers are often used together with the name servers ns4bht.name.com, ns3dkz.name.com, ns1dhl.name.com, ns3jmt.name.com, ns1kpv.name.com, ns2kry.name.com, ns4lny.name.com, ns1djs.name.com, ns3hjx.name.com and ns2hkt.name.com.

Host names with two IP numbers:

Host name ns1cny.name.com points to: 2a00:edc0:107::1 and 163.114.216.17.

Host name ns2qvz.name.com points to: 2402:cf80:107::1 and 163.114.216.49.

Host name ns3flt.name.com points to: 2a00:edc0:107::49 and 163.114.217.17.

Host name ns4ksy.name.com points to: 2402:cf80:107::49 and 163.114.217.49.

Four mail servers handle is4u.org: mail01.is4work.com, mail02.is4work.com, mail03.is4work.com and mail04.is4work.com.

is4u.org shares some mail servers with other domains, at least partially, for instance neo-labels.com and prodigy4u.com.

these mail servers are commonly used alongside is4umail.synology.me.

Host names using a single IP:

mail01.is4work.com points to: 138.19.35.170

mail02.is4work.com points to: 138.19.35.170

mail03.is4work.com points to: 138.19.35.170

mail04.is4work.com points to: 138.19.35.170

Host names pointing to 138.19.35.170: mail01.is4work.com, mail02.is4work.com, mail03.is4work.com and mail04.is4work.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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GJGFvAl CF johedugfp 2025-10-22