contextwindows.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

contextwindows.dev

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:8c8e🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:5728🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.87.40Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.140.142🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSnicolas.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c54🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicolas.ns.cloudflare.com
A2803:f800:50::6ca2:c354🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnicolas.ns.cloudflare.com
A2a06:98c1:50::ac40:2354🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnicolas.ns.cloudflare.com
A108.162.195.84🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicolas.ns.cloudflare.com
A162.159.44.84Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicolas.ns.cloudflare.com
A172.64.35.84🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnicolas.ns.cloudflare.com
NSursula.ns.cloudflare.com
A2606:4700:50::a29f:26bf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRursula.ns.cloudflare.com
A2803:f800:50::6ca2:c2bf🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRursula.ns.cloudflare.com
A2a06:98c1:50::ac40:22bf🇺🇸 Cloudflare2a06:98c1:50::/45
PTRursula.ns.cloudflare.com
A108.162.194.191🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRursula.ns.cloudflare.com
A162.159.38.191Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRursula.ns.cloudflare.com
A172.64.34.191🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRursula.ns.cloudflare.com
MXeforward1.registrar-servers.com ⭐
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
MXeforward2.registrar-servers.com ⭐
A162.255.118.52🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward2.registrar-servers.com
MXeforward3.registrar-servers.com ⭐
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
MXeforward4.registrar-servers.com(15)
A162.255.118.52🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward2.registrar-servers.com
MXeforward5.registrar-servers.com(20)
A162.255.118.51🇺🇸 NAMCHEAP-PH162.255.118.0/24 Namecheap, Inc. 11400 W. Olympic Blvd. Suite 200 Los Angeles, CA 90064 UNITED STATES
PTReforward1.registrar-servers.com
PTReforward3.registrar-servers.com
TXTgoogle-site-verification=XVhisRUjFrIvRb36I3pmei0IFJQyYUxYP1YwcmSZR58
TXTv=spf1 include:spf.efwd.registrar-servers.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.87.40, 172.67.140.142
IPv6 hints2606:4700:3033::ac43:8c8e, 2606:4700:3035::6815:5728
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=94, name=cloudflare-ech.com
SOAnicolas.ns.cloudflare.comdns@cloudflare.com serial=2415344707

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

contextwindows.si
contextwindows.io
contextwindows.dev

Previous names

contextslice.dev
contextsmith.dev
contextspan.dev
contextstack.dev
contextstream.dev
contextstudio.dev
contextstudios.dev
contextsuite.dev
contextswitch.dev
contextsynth.dev
contexttreeprotocol.dev
contextua.dev
contextualise.dev
contextualize.dev
contextuallabs.dev
contextube.dev
contextus.dev
contextvault.dev
contextweaver.dev
contextwindow.dev

Next names

contextwire.dev
contextwise.dev
conticore.dev
contigo.dev
contiguity.dev
contimm.dev
contina.dev
continental.dev
continentalcredit.dev
continentalmotores.dev
continentaltravel.dev
contineu.dev
contingency.dev
contingent.dev
continio.dev
continu-ing.dev
continu.dev
continuadelivery.dev
continual.dev

DNS History

11 records (11 active, 0 former)

NSnicolas.ns.cloudflare.comursula.ns.cloudflare.comMXeforward1.registrar-servers.comeforward2.registrar-servers.comeforward3.registrar-servers.comeforward4.registrar-servers.comeforward5.registrar-servers.comA104.21.87.40172.67.140.1422606:4700:3033::ac43:8c8e2606:4700:3035::6815:5728
●NSnicolas.ns.cloudflare.com2026-09-19 → 2026-10-01 · 2 obs
● 2026-09-19 23:06:02
● 2026-10-01 07:38:26
●NSursula.ns.cloudflare.com2026-09-19 → 2026-10-01 · 2 obs
● 2026-09-19 23:06:02
● 2026-10-01 07:38:26
●MXeforward1.registrar-servers.com2026-09-19 → 2026-10-01 · 2 obs
● 2026-09-19 23:06:02
● 2026-10-01 07:38:26
●MXeforward2.registrar-servers.com2026-09-19 → 2026-10-01 · 2 obs
● 2026-09-19 23:06:02
● 2026-10-01 07:38:26
●MXeforward3.registrar-servers.com2026-09-19 → 2026-10-01 · 2 obs
● 2026-09-19 23:06:02
● 2026-10-01 07:38:26
●MXeforward4.registrar-servers.com2026-09-19 → 2026-10-01 · 2 obs
● 2026-09-19 23:06:02
● 2026-10-01 07:38:26
●MXeforward5.registrar-servers.com2026-09-19 → 2026-10-01 · 2 obs
● 2026-09-19 23:06:02
● 2026-10-01 07:38:26
●A104.21.87.402026-09-19 → 2026-10-01 · 2 obs
● 2026-09-19 23:06:02
● 2026-10-01 07:38:26
●A172.67.140.1422026-09-19 → 2026-10-01 · 2 obs
● 2026-09-19 23:06:02
● 2026-10-01 07:38:26
●A2606:4700:3033::ac43:8c8e2026-09-19 → 2026-10-01 · 2 obs
● 2026-09-19 23:06:02
● 2026-10-01 07:38:26
●A2606:4700:3035::6815:57282026-09-19 → 2026-10-01 · 2 obs
● 2026-09-19 23:06:02
● 2026-10-01 07:38:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
contextwindows.devnicolas.ns.cloudflare.com, ursula.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.84

NS records: nicolas.ns.cloudflare.com, ursula.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contextwindows.dev (unsigned zone)

⏱️ Timing

Total: 1709ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.87.40, 172.67.140.142
AAAA22606:4700:3033::ac43:8c8e, 2606:4700:3035::6815:5728
NS2nicolas.ns.cloudflare.com, ursula.ns.cloudflare.com
MX5eforward1.registrar-servers.com (pri: 10, eforward2.registrar-servers.com (pri: 10...
TXT2google-site-verification=XVhisRUjFrIvRb3, v=spf1 include:spf.efwd.registrar-server
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1nicolas.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

contextwindows.dev points to the four IP addresses 104.21.87.40, 172.67.140.142, 2606:4700:3033::ac43:8c8e and 2606:4700:3035::6815:5728.

Additional host names — ubghyper.xyz, cosmicvalley.info, www.kosnica.rs and two others — share IP numbers with contextwindows.dev.

Name Servers

contextwindows.dev is served by two delegated name servers, nicolas.ns.cloudflare.com and ursula.ns.cloudflare.com.

contextwindows.dev shares its name server setup with other domains, including nova-7f8508.workers.dev, qg001.pages.dev, lyfutoke.workers.dev and two others.

At least some of contextwindows.dev's name servers are shared with other domains, for example abscalinggroup.com, nytimes.support, logchina.ru and two more.

These name servers tend to be deployed in combination with the name servers karina.ns.cloudflare.com and renan.ns.cloudflare.com.

Host names with 6 IP numbers:

nicolas.ns.cloudflare.com carries IP addresses 108.162.195.84, 162.159.44.84 and 172.64.35.84, with 3 other addresses beyond those.

ursula.ns.cloudflare.com carries IP addresses 108.162.194.191, 162.159.38.191 and 172.64.34.191, with 3 other addresses beyond those.

Mail Servers

contextwindows.dev has five mail servers, which are eforward1.registrar-servers.com, eforward2.registrar-servers.com, eforward3.registrar-servers.com and two others.

contextwindows.dev shares mail servers — at least in part — with other domains, including sendnetworkdakota.net, westhamconsulting.com, greybet4.org and two others.

It is common to find these mail servers used together with the mail servers eforward4.registrar-servers.com and eforward5.registrar-servers.com.

Host names pointing to a single IP address:

eforward1.registrar-servers.com points to the IP address 162.255.118.51.

eforward2.registrar-servers.com points to the IP address 162.255.118.52.

eforward3.registrar-servers.com points to the IP address 162.255.118.51.

eforward4.registrar-servers.com points to the IP address 162.255.118.52.

eforward5.registrar-servers.com points to the IP address 162.255.118.51.

eforward1.registrar-servers.com, eforward3.registrar-servers.com and eforward5.registrar-servers.com are host names that all point to 162.255.118.51.

These two host names — eforward2.registrar-servers.com and eforward4.registrar-servers.com — each point to 162.255.118.52 IP addresses.