cn-science.com - robtex.com

cn-science.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:2536🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:ccc8🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.37.54Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.204.200🇺🇸 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 hints104.21.37.54, 172.67.204.200
IPv6 hints2606:4700:3031::6815:2536, 2606:4700:3032::ac43:ccc8
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=77, name=cloudflare-ech.com
SOAdorthy.ns.cloudflare.comdns@cloudflare.com serial=2401342945

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1775975732

Same first word

cn-science.com

DNS History

12 records (6 active, 6 former)

2017201820192020202120222023202420252026NSdorthy.ns.cloudflare.comrayden.ns.cloudflare.comdns10.hichina.comdns9.hichina.comA104.21.37.54172.67.204.2002606:4700:3031::6815:25362606:4700:3032::ac43:ccc861.135.162.14861.135.162.94CNAMEbdysite.n.shifen.comjl000963.fc.bdysite.com
○NSdns10.hichina.com2016-12-15 → 2017-09-26 · 4 obs
● 2016-12-15 00:06:30
● 2017-09-26 00:37:16
○ 2026-03-27 07:22:40
○ 2026-04-12 06:52:04
○NSdns9.hichina.com2016-12-15 → 2017-09-26 · 4 obs
● 2016-12-15 00:06:30
● 2017-09-26 00:37:16
○ 2026-03-27 07:22:40
○ 2026-04-12 06:52:04
●NSdorthy.ns.cloudflare.com2026-03-27 → 2026-04-12 · 3 obs
○ 2017-09-26 00:37:16
● 2026-03-27 07:22:40
● 2026-04-12 06:52:04
●NSrayden.ns.cloudflare.com2026-03-27 → 2026-04-12 · 3 obs
○ 2017-09-26 00:37:16
● 2026-03-27 07:22:40
● 2026-04-12 06:52:04
●A104.21.37.542026-03-27 → 2026-04-12 · 3 obs
○ 2017-09-26 00:37:16
● 2026-03-27 07:22:40
● 2026-04-12 06:52:04
●A172.67.204.2002026-03-27 → 2026-04-12 · 3 obs
○ 2017-09-26 00:37:16
● 2026-03-27 07:22:40
● 2026-04-12 06:52:04
●A2606:4700:3031::6815:25362026-03-27 → 2026-04-12 · 3 obs
○ 2017-09-26 00:37:16
● 2026-03-27 07:22:40
● 2026-04-12 06:52:04
●A2606:4700:3032::ac43:ccc82026-03-27 → 2026-04-12 · 3 obs
○ 2017-09-26 00:37:16
● 2026-03-27 07:22:40
● 2026-04-12 06:52:04
○A61.135.162.1482016-12-15 → 2016-12-15 · 3 obs
● 2016-12-15 00:06:30
○ 2017-09-26 00:37:16
○ 2026-04-12 06:52:04
○A61.135.162.942016-12-15 → 2016-12-15 · 3 obs
● 2016-12-15 00:06:30
○ 2017-09-26 00:37:16
○ 2026-04-12 06:52:04
○CNAMEbdysite.n.shifen.com2016-12-15 → 2016-12-15 · 3 obs
● 2016-12-15 00:06:30
○ 2017-09-26 00:37:16
○ 2026-04-12 06:52:04
○CNAMEjl000963.fc.bdysite.com2016-12-15 → 2017-09-26 · 4 obs
● 2016-12-15 00:06:30
● 2017-09-26 00:37:16
○ 2026-03-27 07:22:40
○ 2026-04-12 06:52:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comi.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net, b.gtld-servers.net...-
cn-science.comdorthy.ns.cloudflare.com, rayden.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.163

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cn-science.com (unsigned zone)

⏱️ Timing

Total: 300ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.37.54, 172.67.204.200
AAAA22606:4700:3031::6815:2536, 2606:4700:3032::ac43:ccc8
NS2dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dorthy.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cn-science.com maps to four IP numbers: 2606:4700:3031::6815:2536, 2606:4700:3032::ac43:ccc8, 104.21.37.54 and 172.67.204.200.

Other host names, for instance mail.kinobar.me, elektro-zobl.at, customgunsvirginia.com, korte.lv and activearchive.us share IP numbers with cn-science.com.

Name Servers

Two name servers dorthy.ns.cloudflare.com and rayden.ns.cloudflare.com handle delegation for cn-science.com.

cn-science.com uses the same name server setup as other domains, for example mochuangcheng.com, csmhfl.com, houman.net.cn, epppn.com and cntekinc.com.

cn-science.com partially shares name servers with other domains; examples include safecannabis4u.com, voucherku.com, faunadiseno.com, ibew258.bc.ca and easyscreenrecorder.com.

These name servers commonly accompany jen.ns.cloudflare.com, dayana.ns.cloudflare.com, patryk.ns.cloudflare.com and amir.ns.cloudflare.com.

Host names with six IP numbers: dorthy.ns.cloudflare.com points to: 2606:4700:50::adf5:3af9, 2803:f800:50::6ca2:c0f9, 2a06:98c1:50::ac40:20f9, 108.162.192.249, 172.64.32.249 and 173.245.58.249; rayden.ns.cloudflare.com points to: 2606:4700:58::a29f:2ca3, 2803:f800:50::6ca2:c3a3, 2a06:98c1:50::ac40:23a3, 108.162.195.163, 162.159.44.163 and 172.64.35.163.