mail.jnhtsk.cn - robtex.com

mail.jnhtsk.cn

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:2b2a🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:dae3🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.43.42Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.218.227🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.43.42, 172.67.218.227
IPv6 hints2606:4700:3035::6815:2b2a, 2606:4700:3035::ac43:dae3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=112, name=cloudflare-ech.com

jnhtsk.cn

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:2b2a🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:dae3🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.43.42Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.218.227🇺🇸 Cloudflare172.67.208.0/20 , 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 hints104.21.43.42, 172.67.218.227
IPv6 hints2606:4700:3035::6815:2b2a, 2606:4700:3035::ac43:dae3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=112, name=cloudflare-ech.com
SOAmia.ns.cloudflare.comdns@cloudflare.com serial=2401093337

Previously MX for

jnhtsk.cn

Same first word

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DNS History

4 records (4 active, 0 former)

A104.21.43.42172.67.218.2272606:4700:3035::6815:2b2a2606:4700:3035::ac43:dae3
●A104.21.43.422026-02-28 → 2026-04-14 · 2 obs
● 2026-02-28 03:18:48
● 2026-04-14 08:20:32
●A172.67.218.2272026-02-28 → 2026-04-14 · 2 obs
● 2026-02-28 03:18:48
● 2026-04-14 08:20:32
●A2606:4700:3035::6815:2b2a2026-02-28 → 2026-04-14 · 2 obs
● 2026-02-28 03:18:48
● 2026-04-14 08:20:32
●A2606:4700:3035::ac43:dae32026-02-28 → 2026-04-14 · 2 obs
● 2026-02-28 03:18:48
● 2026-04-14 08:20:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, d.dns.cn, c.dns.cn, b.dns.cn...-
jnhtsk.cnmia.ns.cloudflare.com, ricardo.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.195.211

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jnhtsk.cn (unsigned zone)

⏱️ Timing

Total: 897ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.43.42, 172.67.218.227
AAAA22606:4700:3035::ac43:dae3, 2606:4700:3035::6815:2b2a
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

Four IP numbers are pointed to by mail.jnhtsk.cn: 2606:4700:3035::6815:2b2a, 2606:4700:3035::ac43:dae3, 104.21.43.42 and 172.67.218.227.

other host names including maineairmuseum.org, ns2.minis.id, smmcare.com, cafehammermollen.dk and benphim.net share IP numbers with mail.jnhtsk.cn.