app.us.org - robtex.com

app.us.org

DNSSEC⚠️ Not signed
NSns3.esecured.net ⭐
A2604:4480::c757:e817🇺🇸 ESITED-12604:4480::/32 ESITED Direct Allocation ARIN
PTRns3.esecured.net
A199.87.232.23🇺🇸 ESITED-1199.87.232.0/21 Direct ARIN allocation
PTRns3.esecured.net
NSns1.esecured.net
A2604:4480::c0e1:e80f🇺🇸 ESITED-12604:4480::/32 ESITED Direct Allocation ARIN
A192.225.232.15🇺🇸 ESITED-1192.225.232.0/21 ARIN direct allocation
NSns2.esecured.net
A2001:4801:7824:104:be76:4eff:fe11:c394🇺🇸 RACKSPACE-ORD2001:4801::/32 Rackspace ORD
A23.253.217.134🇺🇸 RACKSPACE-ORD23.253.192.0/19 Rackspace, 5000 Walzem Road, San Antonio, TX 78218
MXaspmx.l.google.com ⭐
A2a00:1450:4009:c19::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrp-in-f27.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt1.aspmx.l.google.com(20)
A2607:f8b0:4023:2801::1a🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f26.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXalt2.aspmx.l.google.com(20)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXaspmx2.googlemail.com(30)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
SOAns3.esecured.nethostmaster@esecured.net 2026-05-27 #2

us.org

DNSSEC🔒 Signed (DS record present)
A54.153.56.183🇺🇸 Amazon54.153.0.0/17 EC2 SFO prefix
NSns0.centralnic.net ⭐
NSns1.centralnic.net
NSns2.centralnic.net
NSns3.centralnic.net
NSns4.centralnic.net
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(20)
MXalt2.aspmx.l.google.com(20)
MXaspmx2.googlemail.com(30)
MXaspmx3.googlemail.com(30)
MXaspmx4.googlemail.com(30)
MXaspmx5.googlemail.com(30)
TXTv=spf1 -all
SOAns0.centralnic.nethostmaster@centralnic.net serial=171264
rank #928 globally
rank #119 in the tld
WOT: SAFE (50/100)
📈 Tranco rank: #3,250

Same first word

app.insure
app.sg
app.florist
app.garden
app.uol
app.gov.al
app.supply
app.car
app.ismaili
app.flights
app.life
app.sa
app.hr
app.lt
app.s3.us-east-2.amazonaws.com
app.ae
app.li
app.com.ve
app.eu
app.blue
app.properties
app.ag
app.tz
app.cr
app.bridgestone
app.kitchen
app.fo
app.discount
app.ee
app.at
app.us.com
app.co.ir
app.trafficmanager.net
app.de
app.com.br
app.hl.cn
app.id
app.mircloud.host
app.com.ro
app.com.cn
app.photography
app.gov.sg
app.football
app.googleapis.com
app.cafe
app.do
app.net.nz
app.jetzt
app.kiwi
app.land
app.wtf
app.gripe
app.vercel.app
app.wielun.pl
app.com.pt
app.net.in
app.us
app.info.ke
app.builders
app.kiev.ua
app.university
app.td
app.co.id
app.sk
app.cx
app.ba
app.ink
app.clubmed
app.co.za
app.jl.cn
app.beer
app.uk.com
app.fr
app.ua
app.cat
app.com.au
app.ie
app.github.io
app.ma
app.nl
app.engineering
app.net
app.ps
app.cruises
app.fi.it
app.games
app.lv
app.target
app.ln.cn
app.gov.pr
app.im
app.zip
app.am.in
app.gov.br
app.com
app.investments
app.google
app
app.ax
app.gg

Similar names

app.org.br
ppa.net
ppa.mobi
pap.rs
app.re
app.com.pk
pap.sk
pap.org.sg
pap.pl
app.ac
app.services
app.ro
app.ir
pap.biz
app.chat
app.club
app.gob.pa
ppa.be
pap.email
app.sc
pap.lt
ppa.com.cn
app.game.tw
ppa.ph
pap.co.il
app.jelastic.saveincloud.net
app.vn
app.africa
app.com.pa
app.co.mz
app.gov.pt
app.systems
app.salon
app.s3.eu-north-1.amazonaws.com
app.es
app.supplies
pap.com.pl
app.quest
app.it
app.to
ppa.vn
pap.sg
app.pro
ppa.sc.gov.br
app.ch
ppa.es
app.st
ppa.my
app.team
ppa.org.tw
app.dk
app.awsapps.com
app.vivo
ppa.gov.et
app.hu
app.se
app.plus
app.tv
app.aws
app.io
pap.us
ppa.fm
ppa.zone
app.sbs
pap.report
pap.com.ar
app.co.th
ppa.de
pap.de
app.fans
app.org.pe
pap.la
app.asso.fr
app.bs
ppa.com.au
pap.fi
ppa.fr
pap.dk
app.br
pap.edu.pl
ppa.org.br
pap.tv
app.mobi
app.vc
app.community
app.pics
app.s3-website-ap-northeast-1.amazonaws.com
pap.asia
app.build
app.org.au
app.tokyo
app.gr
app.edgesuite.net
ppa.com.pk
app.md
ppa.care
app.gl
app.guide
app.works
app.dynns.com

DNS History

7 records (7 active, 0 former)

20162017201820192020202120222023202420252026NSns1.esecured.netns2.esecured.netns3.esecured.netMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.com
●NSns1.esecured.net2015-08-17 → 2026-06-04 · 2 obs
● 2015-08-17 20:59:14
● 2026-06-04 07:14:44
●NSns2.esecured.net2015-08-17 → 2026-06-04 · 2 obs
● 2015-08-17 20:59:14
● 2026-06-04 07:14:44
●NSns3.esecured.net2015-08-17 → 2026-06-04 · 2 obs
● 2015-08-17 20:59:14
● 2026-06-04 07:14:44
●MXalt1.aspmx.l.google.com2015-08-17 → 2026-06-04 · 2 obs
● 2015-08-17 20:59:14
● 2026-06-04 07:14:44
●MXalt2.aspmx.l.google.com2015-08-17 → 2026-06-04 · 2 obs
● 2015-08-17 20:59:14
● 2026-06-04 07:14:44
●MXaspmx.l.google.com2015-08-17 → 2026-06-04 · 2 obs
● 2015-08-17 20:59:14
● 2026-06-04 07:14:44
●MXaspmx2.googlemail.com2015-08-17 → 2026-06-04 · 2 obs
● 2015-08-17 20:59:14
● 2026-06-04 07:14:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
us.orgns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net-
app.us.orgns2.esecured.net, ns3.esecured.net, ns1.esecured.net-

✅ Authoritative Response

Server:23.253.217.134

NS records: ns2.esecured.net, ns3.esecured.net, ns1.esecured.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for app.us.org (unsigned zone)

⏱️ Timing

Total: 4021ms | Queries: -

📄 Records

TypeCountSample Data
NS3ns2.esecured.net, ns1.esecured.net...
MX4ASPMX2.GOOGLEMAIL.COM (pri: 30), ALT2.ASPMX.L.GOOGLE.COM (pri: 20)...
SOA1ns3.esecured.net hostmaster.esecured.net

Analysis

Name Servers

app.us.org carries NS records delegating to ns1.esecured.net, ns2.esecured.net and ns3.esecured.net.

app.us.org shares at least some of its name servers with other domains, including 34.195.104.in-addr.arpa, 140.221.104.in-addr.arpa, 238.247.162.in-addr.arpa and two others.

ns1.esecured.net, ns2.esecured.net and ns3.esecured.net are three hostnames that each resolve to a pair of IP addresses: ns1.esecured.net to 192.225.232.15 and 2604:4480::c0e1:e80f, ns2.esecured.net to 23.253.217.134 and 2001:4801:7824:104:be76:4eff:fe11:c394, and ns3.esecured.net to 199.87.232.23 and 2604:4480::c757:e817.

Mail Servers

app.us.org is handled by 4 mail servers: aspmx2.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

app.us.org has at least partial mail server overlap with other domains such as nextgentech.io, emplocity.com, vcz.com.br and two more.

These mail servers commonly appear together with alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx3.googlemail.com and two other mail servers.

The host names aspmx2.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com each resolve to two IP addresses: aspmx2.googlemail.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1b; aspmx.l.google.com resolves to 192.178.223.27 and 2a00:1450:4009:c19::1b; alt1.aspmx.l.google.com resolves to 192.178.128.27 and 2607:f8b0:4023:2801::1a; alt2.aspmx.l.google.com resolves to 172.253.116.27 and 2a00:1450:400b:c02::1a.