top.us.org - robtex.com

top.us.org

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:5faf🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:92b7🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.95.175Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.146.183🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdelilah.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2663🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdelilah.ns.cloudflare.com
A2803:f800:50::6ca2:c263🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdelilah.ns.cloudflare.com
A2a06:98c1:50::ac40:2263🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdelilah.ns.cloudflare.com
A108.162.194.99🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdelilah.ns.cloudflare.com
A162.159.38.99Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdelilah.ns.cloudflare.com
A172.64.34.99🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdelilah.ns.cloudflare.com
NShenry.ns.cloudflare.com
A2606:4700:58::adf5:3bb0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhenry.ns.cloudflare.com
A2803:f800:50::6ca2:c1b0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRhenry.ns.cloudflare.com
A2a06:98c1:50::ac40:21b0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRhenry.ns.cloudflare.com
A108.162.193.176🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhenry.ns.cloudflare.com
A172.64.33.176🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhenry.ns.cloudflare.com
A173.245.59.176🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRhenry.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.95.175, 172.67.146.183
IPv6 hints2606:4700:3036::6815:5faf, 2606:4700:3037::ac43:92b7
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=78, name=cloudflare-ech.com
SOAdelilah.ns.cloudflare.comdns@cloudflare.com serial=2406792074

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=172064
rank #932 globally
rank #119 in the tld

us.org

us.orgis a second-level domain operated by CentralNIC that is used to offer subdomains to organizations and individuals looking for a U.S.-focused web presence. It functions as a commercial subdomain registry.

Key facts

  • Owner / operator: CentralNIC
  • TLD:.org— gTLD
  • Primary purpose: subdomain registry
  • Status: active

Notable subdomains or services

  • *.us.org— Subdomains registered by individuals and organizations looking for a U.S.-oriented domain name.
WOT: SAFE (50/100)
📈 Tranco rank: #3,355

Subdomains

ranked.top.us.org

Same first word

top.legal
top.solar
top.org.ph
top.am
top.contractors
top.cz
top.milano.it
top.money
top.top
top.pro
top.net
top.capital
top.blog.br
top.to
top.al
top.be
top.ru
top.com.vn
top.xyz
top.ch
top.com.hk
top.gg
top
top.se
top.pet
top.io
top.net.sa
top.mx
top.net.br
top.net.ua
top.mn
top.ax
top.plus
top.net.pl
top.cool
top.dyndns.tv
top.name
top.co.th
top.marketing
top.re.kr
top.camera
top.pe
top.vlaanderen
top.biz.pl
top.vf.no
top.us.org
top.ca
top.net.ru
top.apartments
top.dating
top.si
top.one
top.farm
top.rentals
top.tips
top.nl
top.wedding
top.taxi
top.msk.ru
top.info
top.rodeo
top.chat
top.cr
top.mk
top.ws
top.com.ua
top.academy
top.host
top.red
top.(0x736578)
top.ge
top.it
top.restaurant
top.re
top.social
top.school
top.nu
top.ro
top.net.nz
top.com.tw
top.ph
top.pl
top.lublin.pl
top.kitchen
top.uz
top.de
top.li
top.limo
top.km.ua
top.express
top.es
top.cc
top.edu.vn
top.us
top.edu.cn
top.turystyka.pl
top.pink
top.hr
top.gotdns.ch
top.com.jo

Similar names

opt.cz
opt.pf
tpo.pe
tpo.community
tpo.com.mx
otp.group
opt.sa
opt.hr
pto.football
pot.readthedocs.io
tpo.com.ua
pot.ltd
pto.net.pl
otp.info
opt.kz
otp.tech
tpo.mobi
tpo.dk
otp.ru
pto.hu
opt.ac.cn
pto.cl
opt.co
opt.com.mx
pot.nyc
tpo.be
tpo.nl
pot.mx
tpo.co.id
tpo.lv
pto.it
pot.doctor
tpo.li
otp.kz
opt.mr
pto.net
otp.cn
tpo.is
otp.hr
opt.it
otp.at
tpo.at
pot.co.jp
otp.me
pot.si
pto.co
opt.net
otp.com.ua
opt.io
pto.sk
otp.org
otp.dk
pto.su

DNS History

6 records (6 active, 0 former)

NSdelilah.ns.cloudflare.comhenry.ns.cloudflare.comA104.21.95.175172.67.146.1832606:4700:3036::6815:5faf2606:4700:3037::ac43:92b7
●NSdelilah.ns.cloudflare.com2026-05-27 → 2026-06-17 · 2 obs
● 2026-05-27 13:32:42
● 2026-06-17 02:39:48
●NShenry.ns.cloudflare.com2026-05-27 → 2026-06-17 · 2 obs
● 2026-05-27 13:32:42
● 2026-06-17 02:39:48
●A104.21.95.1752026-05-27 → 2026-06-17 · 2 obs
● 2026-05-27 13:32:42
● 2026-06-17 02:39:48
●A172.67.146.1832026-05-27 → 2026-06-17 · 2 obs
● 2026-05-27 13:32:42
● 2026-06-17 02:39:48
●A2606:4700:3036::6815:5faf2026-05-27 → 2026-06-17 · 2 obs
● 2026-05-27 13:32:42
● 2026-06-17 02:39:48
●A2606:4700:3037::ac43:92b72026-05-27 → 2026-06-17 · 2 obs
● 2026-05-27 13:32:42
● 2026-06-17 02:39:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org-
us.orgns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net-
top.us.orgdelilah.ns.cloudflare.com, henry.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.99

NS records: delilah.ns.cloudflare.com, henry.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1013ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.95.175, 172.67.146.183
AAAA22606:4700:3037::ac43:92b7, 2606:4700:3036::6815:5faf
NS2delilah.ns.cloudflare.com, henry.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1delilah.ns.cloudflare.com dns.cloudflare

Analysis

Hierarchy

ranked.top.us.org is delegated beneath top.us.org.

IP Addresses

top.us.org directs to four IP numbers, which are 104.21.95.175, 172.67.146.183, 2606:4700:3036::6815:5faf and 2606:4700:3037::ac43:92b7.

taotraining.nl, baixafilmeshds.net, 4788a448e57b.upos.casa plus two other host names have IP numbers in common with top.us.org.

Name Servers

top.us.org is served by two delegated name servers, delilah.ns.cloudflare.com and henry.ns.cloudflare.com.

The name server configuration of top.us.org is shared with other domains, for instance servycom93.com.ar, dhmstudio.com, paustic.com and two others.

There is at least partial name server overlap between top.us.org and other domains — envidio.de, setsmanlabs.click, fskvk.com and two more among them.

The name servers zainab.ns.cloudflare.com, jade.ns.cloudflare.com and candy.ns.cloudflare.com are often found in combination with these name servers.

Hosts with 6 IP addresses each:

delilah.ns.cloudflare.com carries IP addresses 108.162.194.99, 162.159.38.99 and 172.64.34.99, with 3 other addresses beyond those.

henry.ns.cloudflare.com carries IP addresses 108.162.193.176, 172.64.33.176 and 173.245.59.176, with 3 other addresses beyond those.