jonwu.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

jonwu.dev

DNSSEC⚠️ Not signed
A76.76.21.21🇺🇸 Amazon76.76.21.0/24 EC2 Prefix
NScosmin.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c2d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcosmin.ns.cloudflare.com
A2803:f800:50::6ca2:c32d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcosmin.ns.cloudflare.com
A2a06:98c1:50::ac40:232d🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcosmin.ns.cloudflare.com
A108.162.195.45🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcosmin.ns.cloudflare.com
A162.159.44.45Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcosmin.ns.cloudflare.com
A172.64.35.45🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcosmin.ns.cloudflare.com
NSjamie.ns.cloudflare.com
A2606:4700:50::adf5:3aa8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjamie.ns.cloudflare.com
A2803:f800:50::6ca2:c0a8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjamie.ns.cloudflare.com
A2a06:98c1:50::ac40:20a8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjamie.ns.cloudflare.com
A108.162.192.168🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjamie.ns.cloudflare.com
A172.64.32.168🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjamie.ns.cloudflare.com
A173.245.58.168🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjamie.ns.cloudflare.com
SOAcosmin.ns.cloudflare.comdns@cloudflare.com serial=2418562519

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

jonwu.vercel.app
jonwu.com
jonwu.dev

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Next names

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jony.dev
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DNS History

3 records (3 active, 0 former)

NScosmin.ns.cloudflare.comjamie.ns.cloudflare.comA76.76.21.21
●NScosmin.ns.cloudflare.com2026-08-28 → 2026-11-08 · 2 obs
● 2026-08-28 08:34:16
● 2026-11-08 21:29:04
●NSjamie.ns.cloudflare.com2026-08-28 → 2026-11-08 · 2 obs
● 2026-08-28 08:34:16
● 2026-11-08 21:29:04
●A76.76.21.212026-08-28 → 2026-11-08 · 2 obs
● 2026-08-28 08:34:16
● 2026-11-08 21:29:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...-
jonwu.devcosmin.ns.cloudflare.com, jamie.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.168

NS records: cosmin.ns.cloudflare.com, jamie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jonwu.dev (unsigned zone)

⏱️ Timing

Total: 1007ms | Queries: -

📄 Records

TypeCountSample Data
A176.76.21.21
NS2cosmin.ns.cloudflare.com, jamie.ns.cloudflare.com
SOA1cosmin.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

jonwu.dev directs to one IP number, which is 76.76.21.21.

Among the host names that share IP numbers with jonwu.dev are 042lv3o.cn, studiosku.io, fryjxjy.cn and two others.

Name Servers

The NS records for jonwu.dev delegate to cosmin.ns.cloudflare.com and jamie.ns.cloudflare.com.

jonwu.dev has the same name server delegation as a number of other domains, such as graoraizcomercial.com.br, contact-glass-vision.com, sethwolfe.net and two more.

jonwu.dev partially shares its NS delegation with several other domains, including mirutype.com, systemmedicals.com, tbdjtvlpe9r5wwdjj5.workers.dev and two others.

These name servers often co-occur with the name servers kinsley.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

cosmin.ns.cloudflare.com maps to 108.162.195.45, 162.159.44.45, 172.64.35.45 and 3 additional IP addresses.

jamie.ns.cloudflare.com maps to 108.162.192.168, 172.64.32.168, 173.245.58.168 and 3 additional IP addresses.