jkotsf.cn - robtex.com

jkotsf.cn

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:2bf5🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:bea6🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.43.245Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.190.166🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjack.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b79🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjack.ns.cloudflare.com
A2803:f800:50::6ca2:c179🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjack.ns.cloudflare.com
A2a06:98c1:50::ac40:2179🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjack.ns.cloudflare.com
A108.162.193.121🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjack.ns.cloudflare.com
A172.64.33.121🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjack.ns.cloudflare.com
A173.245.59.121🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjack.ns.cloudflare.com
NSlauryn.ns.cloudflare.com
A2606:4700:50::a29f:2616🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlauryn.ns.cloudflare.com
A2803:f800:50::6ca2:c216🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRlauryn.ns.cloudflare.com
A2a06:98c1:50::ac40:2216🇺🇸 Cloudflare2a06:98c1:50::/45
PTRlauryn.ns.cloudflare.com
A108.162.194.22🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlauryn.ns.cloudflare.com
A162.159.38.22Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlauryn.ns.cloudflare.com
A172.64.34.22🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRlauryn.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.43.245, 172.67.190.166
IPv6 hints2606:4700:3031::6815:2bf5, 2606:4700:3036::ac43:bea6
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=175, name=cloudflare-ech.com
SOAjack.ns.cloudflare.comdns@cloudflare.com serial=2403478712

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=2034793964
📈 Tranco rank: #286,939

Subdomains

dsskqlac.jkotsf.cn
rcbit81w.jkotsf.cn
yocff.jkotsf.cn
1296182.jkotsf.cn

Same first word

jkotsf.cn

Similar names

jksoft.net.cn
kjsoft.com
kjsoft.com.tw
kjsoft.net
kfsojt.com
jksoft.pl
jksoft.xyz
jksoft.in
jksoft.com
jksoft.se
kjsoft.cz

DNS History

8 records (6 active, 2 former)

NSjack.ns.cloudflare.comlauryn.ns.cloudflare.comgraham.ns.cloudflare.comharmony.ns.cloudflare.comA104.21.43.245172.67.190.1662606:4700:3031::6815:2bf52606:4700:3036::ac43:bea6
○NSgraham.ns.cloudflare.com2026-05-04 → 2026-05-04 · 3 obs
● 2026-05-04 21:49:46
○ 2026-05-14 02:01:34
○ 2026-05-15 03:20:48
○NSharmony.ns.cloudflare.com2026-05-04 → 2026-05-04 · 3 obs
● 2026-05-04 21:49:46
○ 2026-05-14 02:01:34
○ 2026-05-15 03:20:48
●NSjack.ns.cloudflare.com2026-05-14 → 2026-05-15 · 3 obs
○ 2026-05-04 21:49:46
● 2026-05-14 02:01:34
● 2026-05-15 03:20:48
●NSlauryn.ns.cloudflare.com2026-05-14 → 2026-05-15 · 3 obs
○ 2026-05-04 21:49:46
● 2026-05-14 02:01:34
● 2026-05-15 03:20:48
●A104.21.43.2452026-05-04 → 2026-05-15 · 2 obs
● 2026-05-04 21:49:46
● 2026-05-15 03:20:48
●A172.67.190.1662026-05-04 → 2026-05-15 · 2 obs
● 2026-05-04 21:49:46
● 2026-05-15 03:20:48
●A2606:4700:3031::6815:2bf52026-05-04 → 2026-05-15 · 2 obs
● 2026-05-04 21:49:46
● 2026-05-15 03:20:48
●A2606:4700:3036::ac43:bea62026-05-04 → 2026-05-15 · 2 obs
● 2026-05-04 21:49:46
● 2026-05-15 03:20:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
jkotsf.cnjack.ns.cloudflare.com, lauryn.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.193.121

NS records: jack.ns.cloudflare.com, lauryn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jkotsf.cn (unsigned zone)

⏱️ Timing

Total: 1254ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.43.245, 172.67.190.166
AAAA22606:4700:3036::ac43:bea6, 2606:4700:3031::6815:2bf5
NS2jack.ns.cloudflare.com, lauryn.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jack.ns.cloudflare.com dns.cloudflare.co

Analysis

Hierarchy

jkotsf.cn is a parent of dsskqlac.jkotsf.cn, rcbit81w.jkotsf.cn, yocff.jkotsf.cn and 1296182.jkotsf.cn.

IP Addresses

jkotsf.cn refers to four IP numbers: 2606:4700:3031::6815:2bf5, 2606:4700:3036::ac43:bea6, 104.21.43.245 and 172.67.190.166.

Other host names, for instance v.rn224.xyz, (0x736578)-cam.startertjes.nl, eaglesoft.com.hk, marqs.com and mail.football-tactics.com share IP numbers with jkotsf.cn.

Name Servers

jkotsf.cn's delegation uses two name servers: jack.ns.cloudflare.com and lauryn.ns.cloudflare.com.

jkotsf.cn uses the same name server setup as other domains, such as naithilgroup.com, data.stackexchange.com, waqprq.cn, trendella.co.uk and home-bggame.cn.

jkotsf.cn at least partially shares name servers with other domains, including redpixel.com, kezyqao.pro, loft29residence.com, espresosys.cc and odsinternational.com.

These name servers are often used with andy.ns.cloudflare.com and beau.ns.cloudflare.com.

Host names with six IP numbers:

jack.ns.cloudflare.com points to 2606:4700:58::adf5:3b79, 2803:f800:50::6ca2:c179, 2a06:98c1:50::ac40:2179, 108.162.193.121, 172.64.33.121 and 173.245.59.121.

lauryn.ns.cloudflare.com points to 2606:4700:50::a29f:2616, 2803:f800:50::6ca2:c216, 2a06:98c1:50::ac40:2216, 108.162.194.22, 162.159.38.22 and 172.64.34.22.