openfour.dev - robtex.com

🛡️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:c23::1b🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadrs-in-f27.1e100.net
A2607:f8b0:4004:c25::1a🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadtq-in-f26.1e100.net
A2607:f8b0:4004:c25::1b🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadtq-in-f27.1e100.net
A172.253.62.26🇺🇸 Google172.253.62.0/24
PTRbc-in-f26.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
A172.253.115.26🇺🇸 Google172.253.115.0/24
PTRbg-in-f26.1e100.net
A192.178.155.26🇺🇸 Google192.178.155.0/24
PTRyuiadrs-in-f26.1e100.net
A192.178.155.27🇺🇸 Google192.178.155.0/24
PTRyuiadrs-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=55, 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
openfoliosuite.dev
openfont.dev
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
openfunction.dev
openfunnel.dev
openfused.dev
openfusion.dev
openfx.dev
opengai.dev
opengallery.dev
opengame.dev
opengardener.dev
opengate.dev
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 → 2026-10-03 · 2 obs
● 2026-09-23 10:43:50
● 2026-10-03 14:22:22
●NSmary.ns.cloudflare.com2026-09-23 → 2026-10-03 · 2 obs
● 2026-09-23 10:43:50
● 2026-10-03 14:22:22
●MXsmtp.google.com2026-09-23 → 2026-10-03 · 2 obs
● 2026-09-23 10:43:50
● 2026-10-03 14:22:22
●A104.21.4.842026-09-23 → 2026-10-03 · 2 obs
● 2026-09-23 10:43:50
● 2026-10-03 14:22:22
●A172.67.131.2092026-09-23 → 2026-10-03 · 2 obs
● 2026-09-23 10:43:50
● 2026-10-03 14:22:22
●A2606:4700:3032::6815:4542026-09-23 → 2026-10-03 · 2 obs
● 2026-09-23 10:43:50
● 2026-10-03 14:22:22
●A2606:4700:3036::ac43:83d12026-09-23 → 2026-10-03 · 2 obs
● 2026-09-23 10:43:50
● 2026-10-03 14:22:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com...10 records
openfour.devmary.ns.cloudflare.com, kevin.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.134

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openfour.dev (unsigned zone)

⏱️ Timing

Total: 691ms | 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

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

openfour.dev directs to four IP numbers, which are 104.21.4.84, 172.67.131.209, 2606:4700:3032::6815:454 and 2606:4700:3036::ac43:83d1.

han-6767.com, xeloravonx.eu, chevertonmarketing.com and two other host names share IP numbers with openfour.dev.

Name Servers

DNS delegation for openfour.dev points to two name servers: kevin.ns.cloudflare.com and mary.ns.cloudflare.com.

openfour.dev uses the same name servers as several other domains — among them merlolabs-test.pages.dev, dailydiamond.net, wa-leads.com and two more.

There is at least partial name server overlap between openfour.dev and other domains — 965845.xyz, eagerpatch.workers.dev, jljl3.ws and two more among them.

These name servers frequently co-occur with the name servers ram.ns.cloudflare.com and vicente.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

kevin.ns.cloudflare.com has IP addresses 108.162.193.191, 172.64.33.191 and 173.245.59.191, plus 3 other.

mary.ns.cloudflare.com has IP addresses 108.162.192.134, 172.64.32.134 and 173.245.58.134, plus 3 other.

Mail Servers

Mail for openfour.dev is handled by a single mail server, smtp.google.com.

openfour.dev uses an identical mail server configuration to several other domains — among them thompsonrogers.net, onesourcetaxco.com, becafirecymru.com and two more.

openfour.dev has mail servers in common with other domains — for example kaprinay.com, stkieran.com and getreilwealthdirect.com.

smtp.google.com resolves to 9 IP addresses — 172.253.62.26, 172.253.62.27, 172.253.115.26 and 6 others.