www.ptrx.com.cn - robtex.com

www.ptrx.com.cn

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:a0ef🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:4964🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.73.100Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.160.239🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.73.100, 172.67.160.239
IPv6 hints2606:4700:3030::ac43:a0ef, 2606:4700:3034::6815:4964
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=2, name=cloudflare-ech.com

ptrx.com.cn

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:a0ef🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:4964🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.73.100Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.160.239🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmia.ns.cloudflare.com ⭐
NSricardo.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.73.100, 172.67.160.239
IPv6 hints2606:4700:3030::ac43:a0ef, 2606:4700:3034::6815:4964
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=2, name=cloudflare-ech.com
SOAmia.ns.cloudflare.comdns@cloudflare.com serial=2401221174

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DNS History

4 records (4 active, 0 former)

A104.21.73.100172.67.160.2392606:4700:3030::ac43:a0ef2606:4700:3034::6815:4964
●A104.21.73.1002026-03-18 → 2026-04-14 · 2 obs
● 2026-03-18 06:01:38
● 2026-04-14 12:26:42
●A172.67.160.2392026-03-18 → 2026-04-14 · 2 obs
● 2026-03-18 06:01:38
● 2026-04-14 12:26:42
●A2606:4700:3030::ac43:a0ef2026-03-18 → 2026-04-14 · 2 obs
● 2026-03-18 06:01:38
● 2026-04-14 12:26:42
●A2606:4700:3034::6815:49642026-03-18 → 2026-04-14 · 2 obs
● 2026-03-18 06:01:38
● 2026-04-14 12:26:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, c.dns.cn, e.dns.cn, d.dns.cn...-
ptrx.com.cnmia.ns.cloudflare.com, ricardo.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.211

NS records: mia.ns.cloudflare.com, ricardo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ptrx.com.cn (unsigned zone)

⏱️ Timing

Total: 2694ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.73.100, 172.67.160.239
AAAA22606:4700:3034::6815:4964, 2606:4700:3030::ac43:a0ef
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

www.ptrx.com.cn resolves to four IPs: 2606:4700:3030::ac43:a0ef, 2606:4700:3034::6815:4964, 104.21.73.100 and 172.67.160.239.

Other host names such as nbw-adguard.pro, catholicflights.com, www.newtabsearch.net, zenvaro.pro and ituojian.com share IP numbers with www.ptrx.com.cn.