mail.huamd.cn - robtex.com

mail.huamd.cn

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:cc48🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:4aa5🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.74.165Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.204.72🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.74.165, 172.67.204.72
IPv6 hints2606:4700:3033::ac43:cc48, 2606:4700:3037::6815:4aa5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=42, name=cloudflare-ech.com

huamd.cn

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:cc48🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:4aa5🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.74.165Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.204.72🇺🇸 Cloudflare172.67.192.0/20 , 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 hints104.21.74.165, 172.67.204.72
IPv6 hints2606:4700:3033::ac43:cc48, 2606:4700:3037::6815:4aa5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=42, name=cloudflare-ech.com
SOAmia.ns.cloudflare.comdns@cloudflare.com serial=2401177074

Previously MX for

huamd.cn

Same first word

mail.keymachine.de
mail.gd
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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026A104.21.74.165172.67.204.722606:4700:3033::ac43:cc482606:4700:3037::6815:4aa5222.76.211.11
●A104.21.74.1652026-03-26 → 2026-04-14 · 3 obs
○ 2016-02-04 03:30:50
● 2026-03-26 20:24:08
● 2026-04-14 03:38:50
●A172.67.204.722026-03-26 → 2026-04-14 · 3 obs
○ 2016-02-04 03:30:50
● 2026-03-26 20:24:08
● 2026-04-14 03:38:50
○A222.76.211.112015-06-30 → 2016-02-04 · 4 obs
● 2015-06-30 06:04:24
● 2016-02-04 03:30:50
○ 2026-03-26 20:24:08
○ 2026-04-14 03:38:50
●A2606:4700:3033::ac43:cc482026-03-26 → 2026-04-14 · 3 obs
○ 2016-02-04 03:30:50
● 2026-03-26 20:24:08
● 2026-04-14 03:38:50
●A2606:4700:3037::6815:4aa52026-03-26 → 2026-04-14 · 3 obs
○ 2016-02-04 03:30:50
● 2026-03-26 20:24:08
● 2026-04-14 03:38:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cne.dns.cn, a.dns.cn, c.dns.cn, d.dns.cn...-
huamd.cnmia.ns.cloudflare.com, ricardo.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.200

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

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at cn: Error: DNS query timeout: 203.119.29.1 for DNSKEY cn

⏱️ Timing

Total: 3284ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.204.72, 104.21.74.165
AAAA22606:4700:3037::6815:4aa5, 2606:4700:3033::ac43:cc48
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.huamd.cn points to four IP numbers: 2606:4700:3033::ac43:cc48, 2606:4700:3037::6815:4aa5, 104.21.74.165 and 172.67.204.72.

Other host names, for instance cloudquickaccess.com, slowtheflow.org, 8391177.com, qhd118114.com and seguinlawyer.com share IP numbers with mail.huamd.cn.