rfeng.dev - dns.ninja

🛡️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
A162.159.38.199Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.34.199🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
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=217, name=cloudflare-ech.com
SOAgerardo.ns.cloudflare.comdns@cloudflare.com serial=2415891117

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.cc
rfeng.ru
rfeng.com.cn
rfeng.dev
rfeng.me
rfeng.fun

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frnge.jp
freng.com.br
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freng.jp
freng.cz
freng.top
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frgen.app
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engfr.com.br
fengr.is
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fregn.xyz
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freng.ru
ngref.de
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Previous names

rfalejo.dev
rfam.dev
rfamc.dev
rfamily.dev
rfan.dev
rfaurskov.dev
rfbezerra.dev
rfblabs.dev
rfbt.dev
rfc8901.dev
rfcd.dev
rfcdigital.dev
rfcm.dev
rfcs.dev
rfctry.dev
rfd.dev
rfdatabase.dev
rfdomingues.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
rfiq.dev
rfit.dev
rfix.dev
rfj.dev
rfkill.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 → 2026-10-04 · 2 obs
● 2026-08-28 17:27:22
● 2026-10-04 06:46:38
●NSsusan.ns.cloudflare.com2026-08-28 → 2026-10-04 · 2 obs
● 2026-08-28 17:27:22
● 2026-10-04 06:46:38
●A104.21.43.2132026-09-12 → 2026-10-04 · 3 obs
○ 2026-09-11 18:27:22
● 2026-09-12 01:37:50
● 2026-10-04 06:46:38
●A172.67.185.2312026-09-12 → 2026-10-04 · 3 obs
○ 2026-09-11 18:27:22
● 2026-09-12 01:37:50
● 2026-10-04 06:46:38
○A188.114.96.02026-08-28 → 2026-08-28 · 3 obs
● 2026-08-28 17:27:22
○ 2026-09-11 18:27:22
○ 2026-10-04 06:46:38
○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
○ 2026-10-04 06:46:38
○A188.114.97.02026-08-28 → 2026-08-28 · 3 obs
● 2026-08-28 17:27:22
○ 2026-09-11 18:27:22
○ 2026-10-04 06:46:38
○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
○ 2026-10-04 06:46:38
●A2606:4700:3035::ac43:b9e72026-09-12 → 2026-10-04 · 3 obs
○ 2026-09-11 18:27:22
● 2026-09-12 01:37:50
● 2026-10-04 06:46:38
●A2606:4700:3036::6815:2bd52026-09-12 → 2026-10-04 · 3 obs
○ 2026-09-11 18:27:22
● 2026-09-12 01:37:50
● 2026-10-04 06:46:38
○A2a06:98c1:3120::2026-08-28 → 2026-08-28 · 3 obs
● 2026-08-28 17:27:22
○ 2026-09-12 01:37:50
○ 2026-10-04 06:46:38
○A2a06:98c1:3121::2026-08-28 → 2026-08-28 · 3 obs
● 2026-08-28 17:27:22
○ 2026-09-12 01:37:50
○ 2026-10-04 06:46:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
rfeng.devsusan.ns.cloudflare.com, gerardo.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.199

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: 1287ms | 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 resolves to four IP addresses: 104.21.43.213, 172.67.185.231, 2606:4700:3035::ac43:b9e7 and 2606:4700:3036::6815:2bd5.

Among the host names that share IP numbers with rfeng.dev are jefaam.com, hnmffy.com, decosapin.be and two others.

Name Servers

rfeng.dev is delegated to two name servers: gerardo.ns.cloudflare.com and susan.ns.cloudflare.com.

rfeng.dev has the same name server delegation as a number of other domains, such as f5juevesv2.pages.dev, anjanettegreenrosehw1d2.pages.dev, sernouser1.workers.dev and two more.

rfeng.dev partially shares its NS delegation with several other domains, including sinar-primera-dt.pages.dev, candy888y.com, brettshopllc.us and two others.

These name servers regularly co-occur with the name servers teagan.ns.cloudflare.com, denver.ns.cloudflare.com and clayton.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

gerardo.ns.cloudflare.com resolves to 108.162.195.230, 162.159.44.230, 172.64.35.230 and 3 other IP addresses.

susan.ns.cloudflare.com resolves to 108.162.194.199, 162.159.38.199, 172.64.34.199 and 3 other IP addresses.