257.cn.com - robtex.com

257.cn.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:895f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:26bc🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.38.188Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.137.95🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSkeenan.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c0b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeenan.ns.cloudflare.com
A2803:f800:50::6ca2:c30b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkeenan.ns.cloudflare.com
A2a06:98c1:50::ac40:230b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkeenan.ns.cloudflare.com
A108.162.195.11🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeenan.ns.cloudflare.com
A162.159.44.11Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeenan.ns.cloudflare.com
A172.64.35.11🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkeenan.ns.cloudflare.com
NSrachel.ns.cloudflare.com
A2606:4700:50::adf5:3ad7🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrachel.ns.cloudflare.com
A2803:f800:50::6ca2:c0d7🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrachel.ns.cloudflare.com
A2a06:98c1:50::ac40:20d7🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrachel.ns.cloudflare.com
A108.162.192.215🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrachel.ns.cloudflare.com
A172.64.32.215🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrachel.ns.cloudflare.com
A173.245.58.215🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrachel.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.38.188, 172.67.137.95
IPv6 hints2606:4700:3031::ac43:895f, 2606:4700:3033::6815:26bc
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=142, name=cloudflare-ech.com
SOAkeenan.ns.cloudflare.comdns@cloudflare.com serial=2409582398

cn.com

DNSSEC🔒 Signed (DS record present)
A54.153.56.183🇺🇸 Amazon54.153.0.0/17 EC2 SFO prefix
NSns0.centralnic.net ⭐
NSns1.centralnic.net
NSns2.centralnic.net
NSns3.centralnic.net
NSns4.centralnic.net
TXTv=spf1 -all
SOAns0.centralnic.nethostmaster@centralnic.net serial=3000619119
rank #833 globally
rank #463 in the tld

cn.com

cn.comis a generic second‑level domain under the.comtop‑level domain, commonly adopted by businesses and individuals with a focus on China. It is available for registration through standard.comregistrars.

Key facts

  • Owner / operator: unknown
  • TLD:.com— gTLD
  • Primary purpose: generic domain often used for China‑related websites or branding
  • Status: active
WOT: SAFE (43/100)
📈 Tranco rank: #2,977

Same first word

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257.fr
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DNS History

6 records (6 active, 0 former)

NSkeenan.ns.cloudflare.comrachel.ns.cloudflare.comA104.21.38.188172.67.137.952606:4700:3031::ac43:895f2606:4700:3033::6815:26bc
●NSkeenan.ns.cloudflare.com2026-07-08 → 2026-07-15 · 2 obs
● 2026-07-08 16:28:28
● 2026-07-15 23:12:14
●NSrachel.ns.cloudflare.com2026-07-08 → 2026-07-15 · 2 obs
● 2026-07-08 16:28:28
● 2026-07-15 23:12:14
●A104.21.38.1882026-07-08 → 2026-07-15 · 2 obs
● 2026-07-08 16:28:28
● 2026-07-15 23:12:14
●A172.67.137.952026-07-08 → 2026-07-15 · 2 obs
● 2026-07-08 16:28:28
● 2026-07-15 23:12:14
●A2606:4700:3031::ac43:895f2026-07-08 → 2026-07-15 · 2 obs
● 2026-07-08 16:28:28
● 2026-07-15 23:12:14
●A2606:4700:3033::6815:26bc2026-07-08 → 2026-07-15 · 2 obs
● 2026-07-08 16:28:28
● 2026-07-15 23:12:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comj.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net...-
cn.comns1.centralnic.net, ns2.centralnic.net, ns3.centralnic.net, ns4.centralnic.net-
257.cn.comrachel.ns.cloudflare.com, keenan.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.215

NS records: rachel.ns.cloudflare.com, keenan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 257.cn.com (unsigned zone)

⏱️ Timing

Total: 1494ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.137.95, 104.21.38.188
AAAA22606:4700:3033::6815:26bc, 2606:4700:3031::ac43:895f
NS2keenan.ns.cloudflare.com, rachel.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1keenan.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

257.cn.com has four IP addresses: 104.21.38.188, 172.67.137.95, 2606:4700:3031::ac43:895f and 2606:4700:3033::6815:26bc.

Two other host names, along with atlantahyperbariccenter.com, yalsanyalitim.com and www.uxivoki.top, also share IP numbers with 257.cn.com.

Name Servers

257.cn.com is delegated to two name servers: keenan.ns.cloudflare.com and rachel.ns.cloudflare.com.

257.cn.com shares its NS records with other domains, for example therightsfuture.com, dsc.uk.com, goldishllc.com and two others.

257.cn.com shares at least some of its name servers with other domains, including dailad.com, boldvip766.com, azala.info and two others.

These name servers are frequently paired with the name servers marjory.ns.cloudflare.com and sunny.ns.cloudflare.com.

DNS names with 6 IP addresses:

keenan.ns.cloudflare.com resolves to 108.162.195.11, 162.159.44.11, 172.64.35.11 and 3 other IP addresses.

rachel.ns.cloudflare.com resolves to 108.162.192.215, 172.64.32.215, 173.245.58.215 and 3 other IP addresses.