bk4.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

bk4.dev

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:98bc🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:3894🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.56.148Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.152.188🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjeremy.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bb4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjeremy.ns.cloudflare.com
A2803:f800:50::6ca2:c1b4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjeremy.ns.cloudflare.com
A2a06:98c1:50::ac40:21b4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjeremy.ns.cloudflare.com
A108.162.193.180🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjeremy.ns.cloudflare.com
A172.64.33.180🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjeremy.ns.cloudflare.com
A173.245.59.180🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjeremy.ns.cloudflare.com
NSsandra.ns.cloudflare.com
A2606:4700:50::a29f:2622🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsandra.ns.cloudflare.com
A2803:f800:50::6ca2:c222🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsandra.ns.cloudflare.com
A2a06:98c1:50::ac40:2222🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsandra.ns.cloudflare.com
A108.162.194.34🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsandra.ns.cloudflare.com
A162.159.38.34Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsandra.ns.cloudflare.com
A172.64.34.34🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsandra.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.56.148, 172.67.152.188
IPv6 hints2606:4700:3030::ac43:98bc, 2606:4700:3037::6815:3894
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=115, name=cloudflare-ech.com
SOAjeremy.ns.cloudflare.comdns@cloudflare.com serial=2418522244

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

bk4.pro
bk4.ro
bk4.jpn.com
bk4.za.com
bk4.best
bk4.fun
bk4.com.au
bk4.club
bk4.vin
bk4.app
bk4.xyz
bk4.bet
bk4.wine
bk4.im
bk4.com
bk4.be
bk4.click
bk4.uk.net
bk4.games
bk4.onl
bk4.us
bk4.online
bk4.pages.dev
bk4.dev
bk4.uk.com
bk4.bar
bk4.com.ph
bk4.ru
bk4.kids
bk4.com.vn
bk4.buzz
bk4.eu.com
bk4.homes
bk4.my
bk4.cn.com
bk4.by
bk4.lat
bk4.ir
bk4.casino
bk4.ru.com
bk4.com.br
bk4.nl
bk4.asia
bk4.bio
bk4.net
bk4.one
bk4.de
bk4.cn
bk4.workers.dev
bk4.cam

Similar names

4kb.cn
kb4.ai
kb4.pl
4bk.workers.dev
b4k.buzz
k4b.nl
kb4.com
b4k.co.nz
b4k.tech
4bk.cc
kb4.net
4bk.edu.do
kb4.us
b4k.online
4kb.com
4bk.info
b4k.dev
b4k.nl
4kb.net
kb4.ch
b4k.cz
4kb.ru
4kb.ir
4kb.dk
kb4.info
4kb.com.ph
4bk.ru
4kb.dev
b4k.us
b4k.net
kb4.buzz
b4k.ru
b4k.pt
b4k.cl
4kb.cc
b4k.uk
kb4.top
4kb.pages.dev
4bk.academy
4kb.co.uk
k4b.eu
kb4.io
b4k.click
4kb.in
kb4.ru
b4k.com.br
b4k.be
k4b.xyz
kb4.org
b4k.synology.me
4bk.com.ph
kb4.cz
b4k.dk
4bk.pl
k4b.net
k4b.de
4kb.no
kb4.my
k4b.cc
b4k.pro
b4k.se
4bk.com.br
4bk.eu
kb4.app
4bk.com.au
b4k.cn
k4b.cn
b4k.ir
k4b.org
4bk.tours
k4b.es
4kb.ie
4kb.co.jp
4bk.tech
k4b.pl
k4b.ru
4bk.me
4bk.ph
k4b.co.uk
4kb.top
b4k.co
b4k.eu
kb4.it
4kb.org
k4b.ch
4kb.ph
b4k.me

Previous names

bjro.dev
bjrump.dev
bjs.dev
bjschrijver.dev
bjtech.dev
bjucps.dev
bjul.dev
bjurnoverbeek.dev
bjvaughn.dev
bjw-s.dev
bk-ai.dev
bk-it.dev
bk-tournament-management.dev
bk1031.dev
bk11.dev
bk123.dev
bk201.dev
bk234.dev
bk33.dev
bk345.dev

Next names

bk44.dev
bk4a.dev
bk567.dev
bk666.dev
bk69.dev
bk7.dev
bk789.dev
bk7bet.dev
bk8-ok.dev
bk8.dev
bk88.dev
bk8a.dev
bk8app.dev
bk8com.dev
bk8s.dev
bk8thai.dev
bk8vn.dev
bk9.dev
bk99.dev
bk999.dev

DNS History

6 records (6 active, 0 former)

NSjeremy.ns.cloudflare.comsandra.ns.cloudflare.comA104.21.56.148172.67.152.1882606:4700:3030::ac43:98bc2606:4700:3037::6815:3894
●NSjeremy.ns.cloudflare.com2026-08-25 → 2026-10-27 · 2 obs
● 2026-08-25 17:50:00
● 2026-10-27 10:41:44
●NSsandra.ns.cloudflare.com2026-08-25 → 2026-10-27 · 2 obs
● 2026-08-25 17:50:00
● 2026-10-27 10:41:44
●A104.21.56.1482026-08-25 → 2026-10-27 · 2 obs
● 2026-08-25 17:50:00
● 2026-10-27 10:41:44
●A172.67.152.1882026-08-25 → 2026-10-27 · 2 obs
● 2026-08-25 17:50:00
● 2026-10-27 10:41:44
●A2606:4700:3030::ac43:98bc2026-08-25 → 2026-10-27 · 2 obs
● 2026-08-25 17:50:00
● 2026-10-27 10:41:44
●A2606:4700:3037::6815:38942026-08-25 → 2026-10-27 · 2 obs
● 2026-08-25 17:50:00
● 2026-10-27 10:41:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...10 records
bk4.devjeremy.ns.cloudflare.com, sandra.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.34

NS records: jeremy.ns.cloudflare.com, sandra.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bk4.dev (unsigned zone)

⏱️ Timing

Total: 1198ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.152.188, 104.21.56.148
AAAA22606:4700:3037::6815:3894, 2606:4700:3030::ac43:98bc
NS2jeremy.ns.cloudflare.com, sandra.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jeremy.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...)

Analysis

IP Addresses

bk4.dev has four IP addresses: 104.21.56.148, 172.67.152.188, 2606:4700:3030::ac43:98bc and 2606:4700:3037::6815:3894.

Among the host names that share IP numbers with bk4.dev are www.pointvoucher.com, navoremaison.com, kfc2u8.com and two others.

Name Servers

Two name servers handle the delegation for bk4.dev: jeremy.ns.cloudflare.com and sandra.ns.cloudflare.com.

bk4.dev has the same name server delegation as a number of other domains, such as turanaenglish.com, snakeless.com, haulflowapp.com and two more.

bk4.dev partially shares its NS delegation with several other domains, including naturalmentevegano.it, shinybandgkkb.workers.dev, ngjtg21.top and two others.

These name servers are regularly seen alongside dina.ns.cloudflare.com and cleo.ns.cloudflare.com as name servers.

Host names resolving to 6 IP numbers:

jeremy.ns.cloudflare.com resolves to 108.162.193.180, 172.64.33.180 and 173.245.59.180 among others, with 3 other IP addresses in total.

sandra.ns.cloudflare.com resolves to 108.162.194.34, 162.159.38.34 and 172.64.34.34 among others, with 3 other IP addresses in total.