rfeng.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

rfeng.dev

DNSSEC🔒 Signed (DS record present)
A2606:4700:3035::ac43:b9e7🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:2bd5🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.43.213Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.185.231🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgerardo.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2ce6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgerardo.ns.cloudflare.com
A2803:f800:50::6ca2:c3e6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgerardo.ns.cloudflare.com
A2a06:98c1:50::ac40:23e6🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgerardo.ns.cloudflare.com
A108.162.195.230🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgerardo.ns.cloudflare.com
A162.159.44.230Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgerardo.ns.cloudflare.com
A172.64.35.230🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgerardo.ns.cloudflare.com
NSsusan.ns.cloudflare.com
A2606:4700:50::a29f:26c7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsusan.ns.cloudflare.com
A2803:f800:50::6ca2:c2c7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsusan.ns.cloudflare.com
A2a06:98c1:50::ac40:22c7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsusan.ns.cloudflare.com
A108.162.194.199🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsusan.ns.cloudflare.com
A162.159.38.199Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsusan.ns.cloudflare.com
A172.64.34.199🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsusan.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.43.213, 172.67.185.231
IPv6 hints2606:4700:3035::ac43:b9e7, 2606:4700:3036::6815:2bd5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=233, name=cloudflare-ech.com
SOAgerardo.ns.cloudflare.comdns@cloudflare.com serial=2414370599

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

rfeng.net
rfeng.us
rfeng.vip
rfeng.biz
rfeng.com
rfeng.org
rfeng.top
rfeng.workers.dev
rfeng.group
rfeng.ru
rfeng.com.cn
rfeng.dev
rfeng.me
rfeng.fun

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freng.com.cn
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frnge.jp
freng.com.br
ferng.com
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renfg.ru
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freng.jp
freng.cz
freng.top
freng.se
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rfgen.cloud
frgen.app
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fengr.is
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fregn.xyz
gefnr.com
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ngref.de
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frnge.ca
fgren.se
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Previous names

rf4exmomdjhw8.dev
rf888.dev
rfalejo.dev
rfam.dev
rfamc.dev
rfamily.dev
rfan.dev
rfaurskov.dev
rfbezerra.dev
rfblabs.dev
rfc8901.dev
rfcd.dev
rfcdigital.dev
rfcm.dev
rfcs.dev
rfctry.dev
rfd.dev
rfdatabase.dev
rfed.dev

Next names

rferee.dev
rferg.dev
rferm.dev
rfern.dev
rfernando.dev
rferraz.dev
rferreira.dev
rff.dev
rffe.dev
rffl.dev
rfi.dev
rfidlab.dev
rfidtools.dev
rfilippone.dev
rfit.dev
rfix.dev
rfj.dev
rfkill.dev
rfl.dev

DNS History

12 records (6 active, 6 former)

NSgerardo.ns.cloudflare.comsusan.ns.cloudflare.comA104.21.43.213172.67.185.2312606:4700:3035::ac43:b9e72606:4700:3036::6815:2bd5188.114.96.0188.114.96.4188.114.97.0188.114.97.42a06:98c1:3120::2a06:98c1:3121::
●NSgerardo.ns.cloudflare.com2026-08-28 → 2026-09-25 · 2 obs
● 2026-08-28 17:27:22
● 2026-09-25 12:41:34
●NSsusan.ns.cloudflare.com2026-08-28 → 2026-09-25 · 2 obs
● 2026-08-28 17:27:22
● 2026-09-25 12:41:34
●A104.21.43.2132026-09-12 → 2026-09-25 · 3 obs
○ 2026-09-11 18:27:22
● 2026-09-12 01:37:50
● 2026-09-25 12:41:34
●A172.67.185.2312026-09-12 → 2026-09-25 · 3 obs
○ 2026-09-11 18:27:22
● 2026-09-12 01:37:50
● 2026-09-25 12:41:34
○A188.114.96.02026-08-28 → 2026-08-28 · 3 obs
● 2026-08-28 17:27:22
○ 2026-09-11 18:27:22
○ 2026-09-25 12:41:34
○A188.114.96.42026-09-11 → 2026-09-11 · 4 obs
○ 2026-08-28 17:27:22
● 2026-09-11 18:27:22
○ 2026-09-12 01:37:50
○ 2026-09-25 12:41:34
○A188.114.97.02026-08-28 → 2026-08-28 · 3 obs
● 2026-08-28 17:27:22
○ 2026-09-11 18:27:22
○ 2026-09-25 12:41:34
○A188.114.97.42026-09-11 → 2026-09-11 · 4 obs
○ 2026-08-28 17:27:22
● 2026-09-11 18:27:22
○ 2026-09-12 01:37:50
○ 2026-09-25 12:41:34
●A2606:4700:3035::ac43:b9e72026-09-12 → 2026-09-25 · 3 obs
○ 2026-09-11 18:27:22
● 2026-09-12 01:37:50
● 2026-09-25 12:41:34
●A2606:4700:3036::6815:2bd52026-09-12 → 2026-09-25 · 3 obs
○ 2026-09-11 18:27:22
● 2026-09-12 01:37:50
● 2026-09-25 12:41:34
○A2a06:98c1:3120::2026-08-28 → 2026-08-28 · 3 obs
● 2026-08-28 17:27:22
○ 2026-09-12 01:37:50
○ 2026-09-25 12:41:34
○A2a06:98c1:3121::2026-08-28 → 2026-08-28 · 3 obs
● 2026-08-28 17:27:22
○ 2026-09-12 01:37:50
○ 2026-09-25 12:41:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
rfeng.devsusan.ns.cloudflare.com, gerardo.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.230

NS records: susan.ns.cloudflare.com, gerardo.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 555ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.43.213, 172.67.185.231
AAAA22606:4700:3035::ac43:b9e7, 2606:4700:3036::6815:2bd5
NS2gerardo.ns.cloudflare.com, susan.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1gerardo.ns.cloudflare.com dns.cloudflare

Analysis

IP Addresses

rfeng.dev directs to four IP numbers, which are 104.21.43.213, 172.67.185.231, 2606:4700:3035::ac43:b9e7 and 2606:4700:3036::6815:2bd5.

jefaam.com, hnmffy.com, decosapin.be plus two other host names have IP numbers in common with rfeng.dev.

Name Servers

Two name servers handle the delegation for rfeng.dev: gerardo.ns.cloudflare.com and susan.ns.cloudflare.com.

The name server configuration of rfeng.dev is shared with other domains, for instance f5juevesv2.pages.dev, anjanettegreenrosehw1d2.pages.dev, sernouser1.workers.dev and two others.

The name servers of rfeng.dev overlap at least partially with those of other domains — among them sinar-primera-dt.pages.dev, candy888y.com, yohoslot-slot-gates-olympus-donkey-and-the-goats-f7q1f.pages.dev and two more.

The name servers teagan.ns.cloudflare.com, denver.ns.cloudflare.com and clayton.ns.cloudflare.com are commonly seen alongside these name servers.

Hosts with 6 IP addresses each:

gerardo.ns.cloudflare.com resolves to 108.162.195.230, 162.159.44.230 and 172.64.35.230 among others, with 3 other IP addresses in total.

susan.ns.cloudflare.com resolves to 108.162.194.199, 162.159.38.199 and 172.64.34.199 among others, with 3 other IP addresses in total.