m.yncdu.cn - robtex.com

m.yncdu.cn

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:b708🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:3057🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.48.87Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.183.8🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.48.87, 172.67.183.8
IPv6 hints2606:4700:3034::ac43:b708, 2606:4700:3037::6815:3057
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=238, name=cloudflare-ech.com

yncdu.cn

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:b708🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:3057🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.48.87Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.183.8🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSarmando.ns.cloudflare.com ⭐
NSharleigh.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.48.87, 172.67.183.8
IPv6 hints2606:4700:3034::ac43:b708, 2606:4700:3037::6815:3057
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=238, name=cloudflare-ech.com
SOAarmando.ns.cloudflare.comdns@cloudflare.com serial=2399696548

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DNS History

7 records (4 active, 3 former)

A104.21.48.87172.67.183.82606:4700:3034::ac43:b7082606:4700:3037::6815:3057156.232.134.41172.64.80.12606:4700:130:436c:6f75:6466:6c61:7265
●A104.21.48.872026-02-27 → 2026-04-12 · 4 obs
● 2026-02-27 12:49:52
○ 2026-03-04 03:25:24
● 2026-03-11 00:51:00
● 2026-04-12 16:24:42
○A156.232.134.412026-02-27 → 2026-04-12 · 2 obs
○ 2026-02-27 12:49:52
○ 2026-04-12 16:24:42
○A172.64.80.12026-03-04 → 2026-03-04 · 4 obs
○ 2026-02-27 12:49:52
● 2026-03-04 03:25:24
○ 2026-03-11 00:51:00
○ 2026-04-12 16:24:42
●A172.67.183.82026-02-27 → 2026-04-12 · 4 obs
● 2026-02-27 12:49:52
○ 2026-03-04 03:25:24
● 2026-03-11 00:51:00
● 2026-04-12 16:24:42
○A2606:4700:130:436c:6f75:6466:6c61:72652026-03-04 → 2026-03-04 · 4 obs
○ 2026-02-27 12:49:52
● 2026-03-04 03:25:24
○ 2026-03-11 00:51:00
○ 2026-04-12 16:24:42
●A2606:4700:3034::ac43:b7082026-02-27 → 2026-04-12 · 4 obs
● 2026-02-27 12:49:52
○ 2026-03-04 03:25:24
● 2026-03-11 00:51:00
● 2026-04-12 16:24:42
●A2606:4700:3037::6815:30572026-02-27 → 2026-04-12 · 4 obs
● 2026-02-27 12:49:52
○ 2026-03-04 03:25:24
● 2026-03-11 00:51:00
● 2026-04-12 16:24:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnb.dns.cn, d.dns.cn, a.dns.cn, e.dns.cn...-
yncdu.cnarmando.ns.cloudflare.com, harleigh.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.225

NS records: armando.ns.cloudflare.com, harleigh.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yncdu.cn (unsigned zone)

⏱️ Timing

Total: 2763ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.48.87, 172.67.183.8
AAAA22606:4700:3037::6815:3057, 2606:4700:3034::ac43:b708
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

m.yncdu.cn maps to four IP numbers: 2606:4700:3034::ac43:b708, 2606:4700:3037::6815:3057, 104.21.48.87 and 172.67.183.8.

Other host names, for instance allcables.com, www.cutpaid.com, html.story11685373.johsocial.com, diezbru.com and elements-gaming.com share IP numbers with m.yncdu.cn.