a.sis001.us - robtex.com

a.sis001.us

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:8393🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:41a🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.4.26Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.131.147🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.4.26, 172.67.131.147
IPv6 hints2606:4700:3034::ac43:8393, 2606:4700:3037::6815:41a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=2, name=cloudflare-ech.com

sis001.us

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:8393🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:41a🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.4.26Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.131.147🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSart.ns.cloudflare.com ⭐
NSivy.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.4.26, 172.67.131.147
IPv6 hints2606:4700:3034::ac43:8393, 2606:4700:3037::6815:41a
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=2, name=cloudflare-ech.com
SOAart.ns.cloudflare.comdns@cloudflare.com serial=2399835703
WOT: SUSPICIOUS (60/100)
WOT: UNKNOWN (62/100)
📈 Tranco rank: #118,422

Same first word

a.co.nl
a.land
a.co.uk
a.pro
a.au
a.city
a.fo
a.cm
a.express
a.geek.nz
a.co.il
a.hu
a.akamaiedge.net
a.appspot.com
a.com.ua
a.co.nz
a.org.pe
a.doctor
a.je
a.edgekey.net
a.cc
a.kg
a.cz
a.sd.cn
a.gt
a.mk
a.business
a.st
a.wedding
a.media
a.works
a.nt.ro
a.my
a.mba
a.network
a.foundation
a.fish
a.com.do
a.biz
a.im
a.discount
a.support
a.band
a.cl
a.to
a.gd
a.net.vn
a.careers
a.parts
a.gl
a.tennis
a.ms
a.solutions
a.plus
a.events
a.co.za
a.uk
a.partners
a.canva-apps.cn
a.chat
a.pictures
a.guru
a.aivencloud.com
a.zip
a.directory
a.net.nz
a.school
a.net.pl
a.cn
a.org
a.hr
a.dk
a.tv
a.com.se
a.gov.lv
a.pisz.pl
a.net.cn
a.sc
a.realty
a.boutique
a.community
a.jewelry
a.fm
a.com.my
a.asia
a.me
a.ly
a.com.mx
a.ai
a.cx
a.ws
a.hn
a.team
a.ro
a.ink
a.vin
a.show
a.sv
a.ki
a.run

Similar names

a.or.at
a.fi
a.blogspot.com
a.edu.vn
a.et
a.cat
a.pn
a.am
a.coffee
a.university
a.com.pe
a.cheap
a.com.cn
a.sg
a.finance
a.mortgage
a.gift
a.tt
a.game
a.pe
a.shoes
a.deals
a.top
a.sh
a.bw
a.rgr.jp
a.farm
a.country
a.fyi
a.enterprises
a.wiki
a.link
a.day
a.co.tz
a.toys
a.taxi
a.cam
a.ie
a.gm
a.com.hr
a.co.kr
a.gov.au
a.theater
a.org.ua
a.kz
a.org.pk
a.od.ua
a.fail
a.ks.ua
a.video
a.domains
a.zuerich
a.training
a.qh.cn
a.nm.cn
a.nf
a.theatre
a.com.gt
a.cab
a.education
a.photo
a.xyz
a.fr
a.how
a.com.uy
a.center
a.industries
a.cash
a.akamaiedge-staging.net
a.tm
a.ath.cx
a.health
a.wtf
a.holiday
a.bot
a.direct
a.clothing
a.lu
a.gp
a.travel
a.dentist
a.zone
a.ph
a.restaurant
a.care
a.dp.ua
a.ml
a.com.ar
a.ee
a.vu
a.amsterdam
a.de
a.com.pl
a.com.ph
a.com.pk
a.at

DNS History

4 records (4 active, 0 former)

A104.21.4.26172.67.131.1472606:4700:3034::ac43:83932606:4700:3037::6815:41a
●A104.21.4.262026-02-27 → 2026-04-14 · 2 obs
● 2026-02-27 06:31:06
● 2026-04-14 12:52:54
●A172.67.131.1472026-02-27 → 2026-04-14 · 2 obs
● 2026-02-27 06:31:06
● 2026-04-14 12:52:54
●A2606:4700:3034::ac43:83932026-02-27 → 2026-04-14 · 2 obs
● 2026-02-27 06:31:06
● 2026-04-14 12:52:54
●A2606:4700:3037::6815:41a2026-02-27 → 2026-04-14 · 2 obs
● 2026-02-27 06:31:06
● 2026-04-14 12:52:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usm.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us...-
sis001.usart.ns.cloudflare.com, ivy.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.102

NS records: art.ns.cloudflare.com, ivy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sis001.us (unsigned zone)

⏱️ Timing

Total: 667ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.4.26, 172.67.131.147
AAAA22606:4700:3037::6815:41a, 2606:4700:3034::ac43:8393
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

a.sis001.us maps to four IP numbers: 2606:4700:3034::ac43:8393, 2606:4700:3037::6815:41a, 104.21.4.26 and 172.67.131.147.

other host names include esbq.ca, nz.pprain.space, petreveal.com, yifymovies.net and emi-shielding.net; they share IP numbers with a.sis001.us.