hcn-tech.cn - robtex.com

hcn-tech.cn

DNSSEC⚠️ Not signed
A2606:4700:3036::6815:2c8f🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:c8c5🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.44.143Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.200.197🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdorthy.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3af9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A2803:f800:50::6ca2:c0f9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdorthy.ns.cloudflare.com
A2a06:98c1:50::ac40:20f9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdorthy.ns.cloudflare.com
A108.162.192.249🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A172.64.32.249🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A173.245.58.249🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
NSrayden.ns.cloudflare.com
A2606:4700:58::a29f:2ca3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrayden.ns.cloudflare.com
A2803:f800:50::6ca2:c3a3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrayden.ns.cloudflare.com
A2a06:98c1:50::ac40:23a3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrayden.ns.cloudflare.com
A108.162.195.163🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrayden.ns.cloudflare.com
A162.159.44.163Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrayden.ns.cloudflare.com
A172.64.35.163🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrayden.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.44.143, 172.67.200.197
IPv6 hints2606:4700:3036::6815:2c8f, 2606:4700:3036::ac43:c8c5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=24, name=cloudflare-ech.com
SOAdorthy.ns.cloudflare.comdns@cloudflare.com serial=2409669454

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2035083518

Same first word

hcn-tech.cn

Similar names

tech-nhc.edu.vn
nhc-tech.com

DNS History

11 records (6 active, 5 former)

20192020202120222023202420252026NSdorthy.ns.cloudflare.comrayden.ns.cloudflare.comdns.bizcn.comns1.dns.com.cnns2.dns.com.cnA104.21.44.143172.67.200.1972606:4700:3036::6815:2c8f2606:4700:3036::ac43:c8c52606:4700:3032::ac43:c8c52606:4700:3034::6815:2c8f
○NSdns.bizcn.com2018-06-10 → 2018-06-10 · 3 obs
● 2018-06-10 04:33:56
○ 2026-05-09 10:11:36
○ 2026-07-24 10:31:02
●NSdorthy.ns.cloudflare.com2026-05-09 → 2026-07-24 · 3 obs
○ 2018-06-10 04:33:56
● 2026-05-09 10:11:36
● 2026-07-24 10:31:02
○NSns1.dns.com.cn2018-06-10 → 2018-06-10 · 3 obs
● 2018-06-10 04:33:56
○ 2026-05-09 10:11:36
○ 2026-07-24 10:31:02
○NSns2.dns.com.cn2018-06-10 → 2018-06-10 · 3 obs
● 2018-06-10 04:33:56
○ 2026-05-09 10:11:36
○ 2026-07-24 10:31:02
●NSrayden.ns.cloudflare.com2026-05-09 → 2026-07-24 · 3 obs
○ 2018-06-10 04:33:56
● 2026-05-09 10:11:36
● 2026-07-24 10:31:02
●A104.21.44.1432026-05-09 → 2026-07-24 · 2 obs
● 2026-05-09 10:11:36
● 2026-07-24 10:31:02
●A172.67.200.1972026-05-09 → 2026-07-24 · 2 obs
● 2026-05-09 10:11:36
● 2026-07-24 10:31:02
○A2606:4700:3032::ac43:c8c52026-05-09 → 2026-06-10 · 4 obs
● 2026-05-09 10:11:36
● 2026-06-10 14:01:20
○ 2026-07-23 05:17:22
○ 2026-07-24 10:31:02
○A2606:4700:3034::6815:2c8f2026-05-09 → 2026-06-10 · 4 obs
● 2026-05-09 10:11:36
● 2026-06-10 14:01:20
○ 2026-07-23 05:17:22
○ 2026-07-24 10:31:02
●A2606:4700:3036::6815:2c8f2026-07-23 → 2026-07-24 · 3 obs
○ 2026-06-10 14:01:20
● 2026-07-23 05:17:22
● 2026-07-24 10:31:02
●A2606:4700:3036::ac43:c8c52026-07-23 → 2026-07-24 · 3 obs
○ 2026-06-10 14:01:20
● 2026-07-23 05:17:22
● 2026-07-24 10:31:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cne.dns.cn, d.dns.cn, a.dns.cn, c.dns.cn...-
hcn-tech.cndorthy.ns.cloudflare.com, rayden.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.163

NS records: dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hcn-tech.cn (unsigned zone)

⏱️ Timing

Total: 1302ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.200.197, 104.21.44.143
AAAA22606:4700:3036::ac43:c8c5, 2606:4700:3036::6815:2c8f
NS2dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dorthy.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

hcn-tech.cn has four IP addresses: 104.21.44.143, 172.67.200.197, 2606:4700:3036::6815:2c8f and 2606:4700:3036::ac43:c8c5.

Among the host names that share IP numbers with hcn-tech.cn are webtuc.com.ar, mail.zogeld.nl, flavorquotient.com and two others.

Name Servers

The NS records for hcn-tech.cn delegate to dorthy.ns.cloudflare.com and rayden.ns.cloudflare.com.

hcn-tech.cn has the same name server delegation as a number of other domains, such as rc-hd.com, sclgc.com, tczjjw.com and two more.

hcn-tech.cn has at least partial name server overlap with other domains, such as yophy.com, diktromdefilm.nl, kx8.io and two others.

It is common to see these name servers used together with name servers abdullah.ns.cloudflare.com and cris.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

dorthy.ns.cloudflare.com maps to 108.162.192.249, 172.64.32.249, 173.245.58.249 and 3 additional IP addresses.

rayden.ns.cloudflare.com maps to 108.162.195.163, 162.159.44.163, 172.64.35.163 and 3 additional IP addresses.