contextcost.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

contextcost.dev

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:5f9🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:8614🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.5.249Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.134.20🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkristin.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3ab5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkristin.ns.cloudflare.com
A2803:f800:50::6ca2:c0b5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkristin.ns.cloudflare.com
A2a06:98c1:50::ac40:20b5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkristin.ns.cloudflare.com
A108.162.192.181🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkristin.ns.cloudflare.com
A172.64.32.181🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkristin.ns.cloudflare.com
A173.245.58.181🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkristin.ns.cloudflare.com
NSoswald.ns.cloudflare.com
A2606:4700:58::adf5:3bda🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRoswald.ns.cloudflare.com
A2803:f800:50::6ca2:c1da🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRoswald.ns.cloudflare.com
A2a06:98c1:50::ac40:21da🇺🇸 Cloudflare2a06:98c1:50::/45
PTRoswald.ns.cloudflare.com
A108.162.193.218🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRoswald.ns.cloudflare.com
A172.64.33.218🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRoswald.ns.cloudflare.com
A173.245.59.218🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRoswald.ns.cloudflare.com
MXroute1.mx.cloudflare.net ⭐
A2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
MXroute2.mx.cloudflare.net(47)
A2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
MXroute3.mx.cloudflare.net(88)
A2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
TXTgoogle-site-verification=Pp191o0uEKesPoYu4C1LANdYYXSg_Xqy5UKuPZ72piI
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.5.249, 172.67.134.20
IPv6 hints2606:4700:3031::6815:5f9, 2606:4700:3031::ac43:8614
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=18, name=cloudflare-ech.com
SOAkristin.ns.cloudflare.comdns@cloudflare.com serial=2410201616

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

contextcost.com
contextcost.dev

Similar names

costcontext.com

Previous names

context-forge.dev
context-guard.dev
context-iq.dev
context-master.dev
context-os.dev
context-switch.dev
context0.dev
context101.dev
contextaco.dev
contextallabs.dev
contextbar.dev
contextbase.dev
contextbible.dev
contextbot.dev
contextbtd.dev
contextbudget.dev
contextcharts.dev
contextcompression.dev

Next names

contextcreator.dev
contextcut.dev
contextd.dev
contextdata.dev
contextdebt.dev
contextdevelopment.dev
contextdrivenengineering.dev
contextdynamics.dev
contexter.dev
contextfactory.dev
contextfederation.dev
contextfence.dev
contextfirst.dev
contextflow.dev
contextfork.dev
contextfoundry.dev
contextframes.dev
contextfree.dev
contextful.dev

DNS History

13 records (9 active, 4 former)

NSkristin.ns.cloudflare.comoswald.ns.cloudflare.comMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netA104.21.5.249172.67.134.202606:4700:3031::6815:5f92606:4700:3031::ac43:8614188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSkristin.ns.cloudflare.com2026-09-07 → 2026-09-09 · 2 obs
● 2026-09-07 04:03:40
● 2026-09-09 06:10:40
●NSoswald.ns.cloudflare.com2026-09-07 → 2026-09-09 · 2 obs
● 2026-09-07 04:03:40
● 2026-09-09 06:10:40
●MXroute1.mx.cloudflare.net2026-09-07 → 2026-09-09 · 2 obs
● 2026-09-07 04:03:40
● 2026-09-09 06:10:40
●MXroute2.mx.cloudflare.net2026-09-07 → 2026-09-09 · 2 obs
● 2026-09-07 04:03:40
● 2026-09-09 06:10:40
●MXroute3.mx.cloudflare.net2026-09-07 → 2026-09-09 · 2 obs
● 2026-09-07 04:03:40
● 2026-09-09 06:10:40
●A104.21.5.2492026-09-07 → 2026-09-09 · 3 obs
○ 2026-09-07 04:03:40
● 2026-09-07 20:55:22
● 2026-09-09 06:10:40
●A172.67.134.202026-09-07 → 2026-09-09 · 3 obs
○ 2026-09-07 04:03:40
● 2026-09-07 20:55:22
● 2026-09-09 06:10:40
○A188.114.96.02026-09-07 → 2026-09-07 · 3 obs
● 2026-09-07 04:03:40
○ 2026-09-07 20:55:22
○ 2026-09-09 06:10:40
○A188.114.97.02026-09-07 → 2026-09-07 · 3 obs
● 2026-09-07 04:03:40
○ 2026-09-07 20:55:22
○ 2026-09-09 06:10:40
●A2606:4700:3031::6815:5f92026-09-07 → 2026-09-09 · 3 obs
○ 2026-09-07 04:03:40
● 2026-09-07 20:55:22
● 2026-09-09 06:10:40
●A2606:4700:3031::ac43:86142026-09-07 → 2026-09-09 · 3 obs
○ 2026-09-07 04:03:40
● 2026-09-07 20:55:22
● 2026-09-09 06:10:40
○A2a06:98c1:3120::2026-09-07 → 2026-09-07 · 3 obs
● 2026-09-07 04:03:40
○ 2026-09-07 20:55:22
○ 2026-09-09 06:10:40
○A2a06:98c1:3121::2026-09-07 → 2026-09-07 · 3 obs
● 2026-09-07 04:03:40
○ 2026-09-07 20:55:22
○ 2026-09-09 06:10:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com...-
contextcost.devkristin.ns.cloudflare.com, oswald.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.218

NS records: kristin.ns.cloudflare.com, oswald.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contextcost.dev (unsigned zone)

⏱️ Timing

Total: 993ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.5.249, 172.67.134.20
AAAA22606:4700:3031::ac43:8614, 2606:4700:3031::6815:5f9
NS2kristin.ns.cloudflare.com, oswald.ns.cloudflare.com
MX3route1.mx.cloudflare.net (pri: 27), route2.mx.cloudflare.net (pri: 47)...
TXT2google-site-verification=Pp191o0uEKesPoY, v=spf1 include:_spf.mx.cloudflare.net ~a
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kristin.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

contextcost.dev has four IP addresses: 104.21.5.249, 172.67.134.20, 2606:4700:3031::6815:5f9 and 2606:4700:3031::ac43:8614.

29empireterbaik.com, brushymountainbeefarm.com, ticket-dx.jp plus two other host names have IP numbers in common with contextcost.dev.

Name Servers

Two name servers handle the delegation for contextcost.dev: kristin.ns.cloudflare.com and oswald.ns.cloudflare.com.

The name server configuration of contextcost.dev is shared with other domains, for instance amini-ar13872.workers.dev, blockbreaker.org, family-mayo.pages.dev and two others.

contextcost.dev partially shares its NS delegation with several other domains, including 316033624.workers.dev, bezanim.org, iamridoydey.me and two others.

Hosts with 6 IP addresses each:

kristin.ns.cloudflare.com resolves to 108.162.192.181, 172.64.32.181 and 173.245.58.181 among others, with 3 other IP addresses in total.

oswald.ns.cloudflare.com resolves to 108.162.193.218, 172.64.33.218 and 173.245.59.218 among others, with 3 other IP addresses in total.

Mail Servers

contextcost.dev uses three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

At least some of the mail servers used by contextcost.dev are shared with other domains: olies.fun, motivatrainer.com, icloud-com.dev and two others among them.

Hosts with 6 IP addresses each:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12 and 162.159.205.13 among others, with 3 other IP addresses in total.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18 and 162.159.205.19 among others, with 3 other IP addresses in total.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24 and 162.159.205.25 among others, with 3 other IP addresses in total.