CF1762944204398-tsm20251109205412

WWW.RTSAK.COM - robertkatz.us

Search for IP or hostnames:

robertkatz.us checked at 2025-11-12T10:43:24.388Z 202ms 80/80/80 100% R:14 allDone:true timedOut:false

robertkatz.us

MXmx00.1and1.com
A74.208.5.3🇺🇸 IONOS-AS
PTRmx00.perfora.net
MXmx01.1and1.com
A74.208.5.21🇺🇸 IONOS-AS
PTRmx01.perfora.net
NSns47.1and1.com
A2001:8d8:fe:53:0:d9a0:5225:100 🇩🇪 IONOS-AS
PTRns1037.ui-dns.com
A217.160.82.37🇩🇪 IONOS-AS
PTRns1037.ui-dns.com
NSns48.1and1.com
A2001:8d8:fe:53:0:d9a0:5324:100 🇩🇪 IONOS-AS
PTRns1036.ui-dns.org
A217.160.83.36🇩🇪 IONOS-AS
PTRns1036.ui-dns.org
A74.208.236.168🇺🇸 IONOS-AS
PTR74-208-236-168.elastic-ssl.ui-r.com

us

NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us

Starts with same word

Starts similarily

AI analysis

robertkatz.us resolves to one IP number: 74.208.236.168.

other host names including dickharper.com, foodhealingtv.com, fsrinc.biz, lakeview2.com and harmonyassurance.net share IP numbers with robertkatz.us.

robertkatz.us is delegated to two name servers ns47.1and1.com and ns48.1and1.com.

robertkatz.us shares the same name server setup as other domains, for instance lasermatt.com, jeffreythompson.org, alal.co.il, bjga.com and calendardata.com.

Host names with two IP numbers:

The host name ns47.1and1.com points to 2001:8d8:fe:53:0:d9a0:5225:100 and 217.160.82.37; the host name ns48.1and1.com points to 2001:8d8:fe:53:0:d9a0:5324:100 and 217.160.83.36.

Two mail servers handle robertkatz.us: mx00.1and1.com and mx01.1and1.com.

robertkatz.us shares the same mail server setup as other domains, for instance bubestinger.us, anastasiathemusical.com, remote.crmgtn.com, fiddlerscreekcdd2.net and s110406986.onlinehome.us.

robertkatz.us shares some mail servers with other domains, at least partially, for instance u15363019.onlinehome-server.com, blackjackincolor.com, u21356130.onlinehome-server.com, u21223481.onlinehome-server.com and hvhconsulting.com.

these mail servers are often used alongside aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

Host names with one IP number:

mx00.1and1.com points to 74.208.5.3

mx01.1and1.com points to 74.208.5.21

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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