rb2.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

rb2.dev

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:8710🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:6ac🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.6.172Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.135.16🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScurt.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b5e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcurt.ns.cloudflare.com
A2803:f800:50::6ca2:c15e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcurt.ns.cloudflare.com
A2a06:98c1:50::ac40:215e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcurt.ns.cloudflare.com
A108.162.193.94🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcurt.ns.cloudflare.com
A172.64.33.94🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcurt.ns.cloudflare.com
A173.245.59.94🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcurt.ns.cloudflare.com
NSelma.ns.cloudflare.com
A2606:4700:50::adf5:3a9a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelma.ns.cloudflare.com
A2803:f800:50::6ca2:c09a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRelma.ns.cloudflare.com
A2a06:98c1:50::ac40:209a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRelma.ns.cloudflare.com
A108.162.192.154🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelma.ns.cloudflare.com
A172.64.32.154🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelma.ns.cloudflare.com
A173.245.58.154🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRelma.ns.cloudflare.com
MXrb2-dev.mail.protection.outlook.com ⭐
A2a01:111:f403:ca04::7🇮🇪 Microsoft2a01:111:f000::/36
PTRmail-db4pr02cu00307.inbound.protection.outlook.com
A2a01:111:f403:ca21::8🇪🇸 Microsoft2a01:111:f000::/36
PTRmail-matpr04cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca3c::6🇨🇭 Microsoft2a01:111:f000::/36
PTRmail-zrxpr04cu00106.inbound.protection.outlook.com
A2a01:111:f403:ca3c::a🇨🇭 Microsoft2a01:111:f000::/36
PTRmail-zrxpr07cu00102.inbound.protection.outlook.com
A52.101.68.10🇮🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dbbpr03cu00102.inbound.protection.outlook.com
A52.101.91.156🇪🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-maspr04cu00104.inbound.protection.outlook.com
A52.101.91.159🇪🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-matpr04cu00207.inbound.protection.outlook.com
A52.101.185.24🇨🇭 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-zrxpr07cu00100.inbound.protection.outlook.com
TXTv=spf1 include:spf.protection.outlook.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.6.172, 172.67.135.16
IPv6 hints2606:4700:3030::ac43:8710, 2606:4700:3035::6815:6ac
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=103, name=cloudflare-ech.com
SOAcurt.ns.cloudflare.comdns@cloudflare.com serial=2414609923

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

rb2.vercel.app
rb2.it
rb2.com.br
rb2.ru
rb2.to
rb2.ca
rb2.app
rb2.de
rb2.ch
rb2.pages.dev
rb2.com.cn
rb2.net
rb2.nl
rb2.ltd
rb2.synology.me
rb2.dev
rb2.io
rb2.net.ph
rb2.icu
rb2.now.sh
rb2.dk
rb2.info
rb2.my
rb2.com
rb2.go.th
rb2.in

Similar names

r2b.net
r2b.de
br2.cc
2br.co
r2b.pages.dev
2br.eu
r2b.us
2rb.org
r2b.co
2rb.co
b2r.com.br
r2b.co.il
r2b.eu
br2.com.mx
r2b.ca
b2r.club
b2r.sa
br2.biz
2br.agency
b2r.online
2br.site
r2b.live
r2b.com.ph
b2r.sk
r2b.cc
b2r.cz
r2b.company
b2r.fun
br2.pages.dev
2rb.de
2rb.nl
b2r.pl
b2r.ae
2rb.es
2br.top
b2r.info
2br.cn
br2.org
b2r.ca
r2b.network
br2.cz
2br.fun
b2r.uk
r2b.fr
b2r.top
2br.it
2rb.cn
r2b.win
2rb.ru
r2b.ai
br2.com
r2b.uk
r2b.in
br2.link
b2r.shop
br2.club
b2r.ovh
r2b.nl
b2r.altervista.org
2rb.casino
2rb.ch
b2r.ph
b2r.app
br2.co.uk
b2r.rent
b2r.cc
2br.nl
br2.best
2br.net
r2b.shop
r2b.site
2rb.cz
br2.ca
r2b.news
2br.app
b2r.eu
b2r.co.in
r2b.pl
2br.ph
br2.live
2br.ai
r2b.com
2br.fr
2br.dk
r2b.pro
b2r.in
2br.store
2rb.com
2br.mx
r2b.dev
2br.us
br2.go.th
r2b.ru
r2b.jp
r2b.gr
b2r.pt
r2b.top
br2.lat
br2.ph
r2b.info
b2r.be
r2b.app
b2r.it.com
2br.me
br2.lv
br2.bio
br2.at
b2r.services
2br.cc
2br.com
2br.pl
b2r.fr
br2.no
2rb.xyz
br2.ru
b2r.it
r2b.com.au
2br.de
b2r.co.uk
b2r.uk.com
r2b.free
r2b.tv
br2.im
2br.name.ng
r2b.online
2br.org
b2r.net
r2b.cz
r2b.hk
b2r.de
2br.ir
br2.gr
b2r.biz
r2b.io.vn
br2.ai
b2r.ru
2rb.net
b2r.me
br2.be
b2r.email
2rb.uk
br2.nl
b2r.nl
2br.ru
r2b.workers.dev
r2b.com.br
b2r.synology.me
br2.de
b2r.live

Previous names

razvoj.dev
razz-apps.dev
razza.dev
razzaayush.dev
razzan.dev
razzapis.dev
razzel-dazzles.dev
razzio.dev
razzle.dev
razzo.dev
razzor.dev
razztech.dev
razzyfen.dev
rb-cloud.dev
rb-gotha.dev
rb-media.dev
rb-properties.dev
rb-webmedia.dev
rb.dev
rb0.dev

Next names

rb2db.dev
rb7.dev
rba.dev
rbab(0x636f636b).dev
rbabtista.dev
rbac-catalog.dev
rbac.dev
rbachus.dev
rbad.dev
rbadillap.dev
rbahosting.dev
rbairwell.dev
rbaljinder.dev
rballard.dev
rban.dev
rbank.dev
rbansal.dev
rbaptista.dev
rbardat.dev
rbarnes.dev

DNS History

7 records (7 active, 0 former)

NScurt.ns.cloudflare.comelma.ns.cloudflare.comMXrb2-dev.mail.protection.outlook.comA104.21.6.172172.67.135.162606:4700:3030::ac43:87102606:4700:3035::6815:6ac
●NScurt.ns.cloudflare.com2026-08-20 → 2026-09-11 · 2 obs
● 2026-08-20 18:57:42
● 2026-09-11 11:34:58
●NSelma.ns.cloudflare.com2026-08-20 → 2026-09-11 · 2 obs
● 2026-08-20 18:57:42
● 2026-09-11 11:34:58
●MXrb2-dev.mail.protection.outlook.com2026-08-20 → 2026-09-11 · 2 obs
● 2026-08-20 18:57:42
● 2026-09-11 11:34:58
●A104.21.6.1722026-08-20 → 2026-09-11 · 2 obs
● 2026-08-20 18:57:42
● 2026-09-11 11:34:58
●A172.67.135.162026-08-20 → 2026-09-11 · 2 obs
● 2026-08-20 18:57:42
● 2026-09-11 11:34:58
●A2606:4700:3030::ac43:87102026-08-20 → 2026-09-11 · 2 obs
● 2026-08-20 18:57:42
● 2026-09-11 11:34:58
●A2606:4700:3035::6815:6ac2026-08-20 → 2026-09-11 · 2 obs
● 2026-08-20 18:57:42
● 2026-09-11 11:34:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...-
rb2.devcurt.ns.cloudflare.com, elma.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.154

NS records: curt.ns.cloudflare.com, elma.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rb2.dev (unsigned zone)

⏱️ Timing

Total: 425ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.6.172, 172.67.135.16
AAAA22606:4700:3030::ac43:8710, 2606:4700:3035::6815:6ac
NS2curt.ns.cloudflare.com, elma.ns.cloudflare.com
MX1rb2-dev.mail.protection.outlook.com (pri
TXT1v=spf1 include:spf.protection.outlook.co
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1curt.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

rb2.dev directs to four IP numbers, which are 104.21.6.172, 172.67.135.16, 2606:4700:3030::ac43:8710 and 2606:4700:3035::6815:6ac.

Two other host names, along with sterlingtaxrelief.com, rbzbt7.click and telness.co.uk, also share IP numbers with rb2.dev.

Name Servers

rb2.dev has two authoritative name servers — curt.ns.cloudflare.com and elma.ns.cloudflare.com.

rb2.dev shares its NS records with other domains, for example hello-brazil.com, okumalogistica.com.br, gibran.mx and two others.

The name servers of rb2.dev overlap at least partially with those of other domains — among them gampang-c.com, nodeforgetrade.biz.id, basementwaterproofingtowson.com and two more.

The name servers west.ns.cloudflare.com, dalary.ns.cloudflare.com and walk.ns.cloudflare.com are commonly seen alongside these name servers.

DNS names with 6 IP addresses:

curt.ns.cloudflare.com points to 108.162.193.94, 172.64.33.94, 173.245.59.94 and 3 other IP addresses.

elma.ns.cloudflare.com points to 108.162.192.154, 172.64.32.154, 173.245.58.154 and 3 other IP addresses.

Mail Servers

The sole mail server for rb2.dev is rb2-dev.mail.protection.outlook.com.

With 8 IP addresses total, rb2-dev.mail.protection.outlook.com resolves to 52.101.68.10, 52.101.91.156, 52.101.91.159 and 5 others.