www.achcdn.com - robtex.com

www.achcdn.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:2083🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:9835🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.32.131Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.152.53🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.32.131, 172.67.152.53
IPv6 hints2606:4700:3030::6815:2083, 2606:4700:3035::ac43:9835
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=251, name=cloudflare-ech.com

achcdn.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:2083🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:9835🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.32.131Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.152.53🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdawn.ns.cloudflare.com ⭐
NSwill.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.32.131, 172.67.152.53
IPv6 hints2606:4700:3030::6815:2083, 2606:4700:3035::ac43:9835
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=251, name=cloudflare-ech.com
SOAdawn.ns.cloudflare.comdns@cloudflare.com serial=2410473341
⚠️ On DNS blocklist: light, multi, popupads, pro, pro.mini, pro.plus, pro.plus.mini, ultimate, ultimate.mini

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DNS History

6 records (4 active, 2 former)

A104.21.32.131172.67.152.532606:4700:3030::6815:20832606:4700:3035::ac43:98352606:4700:3033::ac43:98352606:4700:3034::6815:2083
●A104.21.32.1312026-04-21 → 2026-08-13 · 2 obs
● 2026-04-21 20:48:58
● 2026-08-13 03:15:52
●A172.67.152.532026-04-21 → 2026-08-13 · 2 obs
● 2026-04-21 20:48:58
● 2026-08-13 03:15:52
●A2606:4700:3030::6815:20832026-07-11 → 2026-08-13 · 3 obs
○ 2026-05-25 17:24:52
● 2026-07-11 15:47:40
● 2026-08-13 03:15:52
○A2606:4700:3033::ac43:98352026-04-21 → 2026-05-25 · 4 obs
● 2026-04-21 20:48:58
● 2026-05-25 17:24:52
○ 2026-07-11 15:47:40
○ 2026-08-13 03:15:52
○A2606:4700:3034::6815:20832026-04-21 → 2026-05-25 · 4 obs
● 2026-04-21 20:48:58
● 2026-05-25 17:24:52
○ 2026-07-11 15:47:40
○ 2026-08-13 03:15:52
●A2606:4700:3035::ac43:98352026-07-11 → 2026-08-13 · 3 obs
○ 2026-05-25 17:24:52
● 2026-07-11 15:47:40
● 2026-08-13 03:15:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
achcdn.comdawn.ns.cloudflare.com, will.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.149

NS records: dawn.ns.cloudflare.com, will.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for achcdn.com (unsigned zone)

⏱️ Timing

Total: 217ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.152.53, 104.21.32.131
AAAA22606:4700:3035::ac43:9835, 2606:4700:3030::6815:2083
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (dawn.ns.cloudflare.com, dawn.ns.cloudflare.com, dawn.ns.cloudflare.com...)

Analysis

IP Addresses

www.achcdn.com resolves to four IP addresses: 104.21.32.131, 172.67.152.53, 2606:4700:3030::6815:2083 and 2606:4700:3035::ac43:9835.

Additional host names — amber.edu.vn, focusedimpactdrive2.digital, demo.amber.edu.vn and two others — share IP numbers with www.achcdn.com.