openfour.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

openfour.dev

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:454🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:83d1🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.4.84Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.131.209🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkevin.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bbf🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkevin.ns.cloudflare.com
A2803:f800:50::6ca2:c1bf🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkevin.ns.cloudflare.com
A2a06:98c1:50::ac40:21bf🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkevin.ns.cloudflare.com
A108.162.193.191🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkevin.ns.cloudflare.com
A172.64.33.191🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkevin.ns.cloudflare.com
A173.245.59.191🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkevin.ns.cloudflare.com
NSmary.ns.cloudflare.com
A2606:4700:50::adf5:3a86🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmary.ns.cloudflare.com
A2803:f800:50::6ca2:c086🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmary.ns.cloudflare.com
A2a06:98c1:50::ac40:2086🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmary.ns.cloudflare.com
A108.162.192.134🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmary.ns.cloudflare.com
A172.64.32.134🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmary.ns.cloudflare.com
A173.245.58.134🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmary.ns.cloudflare.com
MXsmtp.google.com ⭐
A2607:f8b0:4004:c1b::1a🇺🇸 Google2607:f8b0:4004::/48
PTRwv-in-f26.1e100.net
A2607:f8b0:4004:c1b::1b🇺🇸 Google2607:f8b0:4004::/48
PTRwv-in-f27.1e100.net
A2607:f8b0:4004:c1d::1a🇺🇸 Google2607:f8b0:4004::/48
PTRww-in-f26.1e100.net
A2607:f8b0:4004:c1d::1b🇺🇸 Google2607:f8b0:4004::/48
PTRww-in-f27.1e100.net
A142.250.31.26🇺🇸 Google142.250.31.0/24
PTRbj-in-f26.1e100.net
A142.250.31.27🇺🇸 Google142.250.31.0/24
PTRbj-in-f27.1e100.net
A142.251.111.26🇺🇸 Google142.251.111.0/24
PTRbk-in-f26.1e100.net
A172.253.63.26🇺🇸 Google172.253.63.0/24
PTRbi-in-f26.1e100.net
A172.253.63.27🇺🇸 Google172.253.63.0/24
PTRbi-in-f27.1e100.net
TXTgoogle-site-verification=d4wI93mdrquQAPsWeKoC-_6M5GdQ7h_mfmWzt1KgazQ
TXTv=spf1 include:_spf.google.com -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.4.84, 172.67.131.209
IPv6 hints2606:4700:3032::6815:454, 2606:4700:3036::ac43:83d1
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=118, name=cloudflare-ech.com
SOAkevin.ns.cloudflare.comdns@cloudflare.com serial=2415595284

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

openfour.com.au
openfour.dev
openfour.com
openfour.xyz
openfour.meme

Similar names

peronofu.workers.dev
purenofo.com
neuproof.com
perufono.com
fouropen.nl
fuporeno.pro

Previous names

openflux.dev
openfly.dev
openfocus.dev
openfolder.dev
openfolio.dev
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openfood.dev
openfootprint.dev
openforest.dev
openforgehq.dev
openforgex.dev
openfork.dev
openform.dev
openforma.dev
openforum.dev
openfoundry.dev

Next names

openfpga.dev
openframe.dev
openframeai.dev
openfreight.dev
openfront.dev
openfrontier.dev
openfs.dev
openfun.dev
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openfunnel.dev
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opengates.dev

DNS History

7 records (7 active, 0 former)

NSkevin.ns.cloudflare.commary.ns.cloudflare.comMXsmtp.google.comA104.21.4.84172.67.131.2092606:4700:3032::6815:4542606:4700:3036::ac43:83d1
●NSkevin.ns.cloudflare.com2026-09-23 → 2026-10-02 · 2 obs
● 2026-09-23 10:43:50
● 2026-10-02 20:56:50
●NSmary.ns.cloudflare.com2026-09-23 → 2026-10-02 · 2 obs
● 2026-09-23 10:43:50
● 2026-10-02 20:56:50
●MXsmtp.google.com2026-09-23 → 2026-10-02 · 2 obs
● 2026-09-23 10:43:50
● 2026-10-02 20:56:50
●A104.21.4.842026-09-23 → 2026-10-02 · 2 obs
● 2026-09-23 10:43:50
● 2026-10-02 20:56:50
●A172.67.131.2092026-09-23 → 2026-10-02 · 2 obs
● 2026-09-23 10:43:50
● 2026-10-02 20:56:50
●A2606:4700:3032::6815:4542026-09-23 → 2026-10-02 · 2 obs
● 2026-09-23 10:43:50
● 2026-10-02 20:56:50
●A2606:4700:3036::ac43:83d12026-09-23 → 2026-10-02 · 2 obs
● 2026-09-23 10:43:50
● 2026-10-02 20:56:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
openfour.devkevin.ns.cloudflare.com, mary.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.191

NS records: kevin.ns.cloudflare.com, mary.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openfour.dev (unsigned zone)

⏱️ Timing

Total: 997ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.4.84, 172.67.131.209
AAAA22606:4700:3036::ac43:83d1, 2606:4700:3032::6815:454
NS2kevin.ns.cloudflare.com, mary.ns.cloudflare.com
MX1smtp.google.com (pri: 1)
TXT2google-site-verification=d4wI93mdrquQAPs, v=spf1 include:_spf.google.com -all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1kevin.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

openfour.dev has four IP addresses: 104.21.4.84, 172.67.131.209, 2606:4700:3032::6815:454 and 2606:4700:3036::ac43:83d1.

Additional host names — xeloravonx.eu, chevertonmarketing.com, wheelfam.com and two others — share IP numbers with openfour.dev.

Name Servers

openfour.dev is delegated to two name servers: kevin.ns.cloudflare.com and mary.ns.cloudflare.com.

openfour.dev shares its name server setup with other domains, including merlolabs-test.pages.dev, dailydiamond.net, wa-leads.com and two others.

openfour.dev shares at least some of its name servers with other domains, including 965845.xyz, eagerpatch.workers.dev, jljl3.ws and two others.

These name servers are frequently paired with the name servers ram.ns.cloudflare.com and vicente.ns.cloudflare.com.

Host names with 6 IP numbers:

kevin.ns.cloudflare.com resolves to 108.162.193.191, 172.64.33.191, 173.245.59.191 and 3 other IP addresses.

mary.ns.cloudflare.com resolves to 108.162.192.134, 172.64.32.134, 173.245.58.134 and 3 other IP addresses.

Mail Servers

openfour.dev has one mail server: smtp.google.com.

openfour.dev shares the same mail server setup as other domains, including thompsonrogers.net, onesourcetaxco.com, becafirecymru.com and two others.

openfour.dev shares mail servers with at least some other domains, such as kaprinay.com, stkieran.com and getreilwealthdirect.com.

smtp.google.com points to 9 IP numbers: 142.250.31.26, 142.250.31.27, 142.251.111.26 and 6 other.