leonzhang.dev - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

leonzhang.dev

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:a529🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:b31🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.11.49Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.165.41🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjewel.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26ab🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjewel.ns.cloudflare.com
A2803:f800:50::6ca2:c2ab🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjewel.ns.cloudflare.com
A2a06:98c1:50::ac40:22ab🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjewel.ns.cloudflare.com
A108.162.194.171🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjewel.ns.cloudflare.com
A162.159.38.171Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjewel.ns.cloudflare.com
A172.64.34.171🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjewel.ns.cloudflare.com
NSmatteo.ns.cloudflare.com
A2606:4700:58::a29f:2ce0🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatteo.ns.cloudflare.com
A2803:f800:50::6ca2:c3e0🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmatteo.ns.cloudflare.com
A2a06:98c1:50::ac40:23e0🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmatteo.ns.cloudflare.com
A108.162.195.224🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatteo.ns.cloudflare.com
A162.159.44.224Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatteo.ns.cloudflare.com
A172.64.35.224🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmatteo.ns.cloudflare.com
MXroute3.mx.cloudflare.net ⭐
A2606:4700:f5::11🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::12🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A2606:4700:f5::13🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.23Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.24Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
A162.159.205.25Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute3.mx.cloudflare.net
MXroute1.mx.cloudflare.net(64)
A2606:4700:f5::b🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::c🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A2606:4700:f5::d🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.11Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.12Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
A162.159.205.13Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute1.mx.cloudflare.net
MXroute2.mx.cloudflare.net(97)
A2606:4700:f5::e🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::f🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A2606:4700:f5::10🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.17Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.18Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
A162.159.205.19Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRroute2.mx.cloudflare.net
TXTv=spf1 include:_spf.mx.cloudflare.net include:rp.oracleemaildelivery.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.11.49, 172.67.165.41
IPv6 hints2606:4700:3034::ac43:a529, 2606:4700:3035::6815:b31
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=254, name=cloudflare-ech.com
SOAjewel.ns.cloudflare.comdns@cloudflare.com serial=2412532712

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

leonzhang.net
leonzhang.dev
leonzhang.ca

Similar names

hengozlan.com
anzhongle.com
zhenlonga.com

Previous names

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Next names

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DNS History

9 records (9 active, 0 former)

NSjewel.ns.cloudflare.commatteo.ns.cloudflare.comMXroute1.mx.cloudflare.netroute2.mx.cloudflare.netroute3.mx.cloudflare.netA104.21.11.49172.67.165.412606:4700:3034::ac43:a5292606:4700:3035::6815:b31
●NSjewel.ns.cloudflare.com2026-08-19 → 2026-08-20 · 2 obs
● 2026-08-19 09:17:40
● 2026-08-20 11:36:26
●NSmatteo.ns.cloudflare.com2026-08-19 → 2026-08-20 · 2 obs
● 2026-08-19 09:17:40
● 2026-08-20 11:36:26
●MXroute1.mx.cloudflare.net2026-08-19 → 2026-08-20 · 2 obs
● 2026-08-19 09:17:40
● 2026-08-20 11:36:26
●MXroute2.mx.cloudflare.net2026-08-19 → 2026-08-20 · 2 obs
● 2026-08-19 09:17:40
● 2026-08-20 11:36:26
●MXroute3.mx.cloudflare.net2026-08-19 → 2026-08-20 · 2 obs
● 2026-08-19 09:17:40
● 2026-08-20 11:36:26
●A104.21.11.492026-08-19 → 2026-08-20 · 2 obs
● 2026-08-19 09:17:40
● 2026-08-20 11:36:26
●A172.67.165.412026-08-19 → 2026-08-20 · 2 obs
● 2026-08-19 09:17:40
● 2026-08-20 11:36:26
●A2606:4700:3034::ac43:a5292026-08-19 → 2026-08-20 · 2 obs
● 2026-08-19 09:17:40
● 2026-08-20 11:36:26
●A2606:4700:3035::6815:b312026-08-19 → 2026-08-20 · 2 obs
● 2026-08-19 09:17:40
● 2026-08-20 11:36:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld2.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...10 records
leonzhang.devmatteo.ns.cloudflare.com, jewel.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.224

NS records: matteo.ns.cloudflare.com, jewel.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for leonzhang.dev (unsigned zone)

⏱️ Timing

Total: 830ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.11.49, 172.67.165.41
AAAA22606:4700:3034::ac43:a529, 2606:4700:3035::6815:b31
NS2jewel.ns.cloudflare.com, matteo.ns.cloudflare.com
MX3route3.mx.cloudflare.net (pri: 10), route1.mx.cloudflare.net (pri: 64)...
TXT1v=spf1 include:_spf.mx.cloudflare.net in
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jewel.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

leonzhang.dev points to the four IP addresses 104.21.11.49, 172.67.165.41, 2606:4700:3034::ac43:a529 and 2606:4700:3035::6815:b31.

Two other host names, along with fitgag.com, avenirzen.com and m1.tovarbiz.com, also share IP numbers with leonzhang.dev.

Name Servers

leonzhang.dev has two authoritative name servers — jewel.ns.cloudflare.com and matteo.ns.cloudflare.com.

leonzhang.dev shares its NS records with other domains, for example justair.co, xrp-claim.xyz, watamu.biz and two others.

There is at least partial name server overlap between leonzhang.dev and other domains — spaziozut.it, zghhjr.com, ebo.energy and two more among them.

These name servers regularly appear alongside ali.ns.cloudflare.com, matt.ns.cloudflare.com, phil.ns.cloudflare.com and 4 other name servers in NS record sets.

DNS names with 6 IP addresses:

jewel.ns.cloudflare.com points to 108.162.194.171, 162.159.38.171, 172.64.34.171 and 3 other IP addresses.

matteo.ns.cloudflare.com points to 108.162.195.224, 162.159.44.224, 172.64.35.224 and 3 other IP addresses.

Mail Servers

Incoming mail for leonzhang.dev is delivered via three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

There is at least a partial MX overlap between leonzhang.dev and other domains, including secretroomgo42.com, p-enterprises.com, urkdp.com and two others.

DNS names with 6 IP addresses:

route1.mx.cloudflare.net points to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net points to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net points to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.