jtcf.com.cn - robtex.com

jtcf.com.cn

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:d379🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:3d96🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.61.150Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.211.121🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgracie.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2690🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgracie.ns.cloudflare.com
A2803:f800:50::6ca2:c290🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgracie.ns.cloudflare.com
A2a06:98c1:50::ac40:2290🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgracie.ns.cloudflare.com
A108.162.194.144🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgracie.ns.cloudflare.com
A162.159.38.144Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgracie.ns.cloudflare.com
A172.64.34.144🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgracie.ns.cloudflare.com
NSoswald.ns.cloudflare.com
A2606:4700:58::adf5:3bda🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRoswald.ns.cloudflare.com
A2803:f800:50::6ca2:c1da🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRoswald.ns.cloudflare.com
A2a06:98c1:50::ac40:21da🇺🇸 Cloudflare2a06:98c1:50::/45
PTRoswald.ns.cloudflare.com
A108.162.193.218🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRoswald.ns.cloudflare.com
A172.64.33.218🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRoswald.ns.cloudflare.com
A173.245.59.218🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRoswald.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.61.150, 172.67.211.121
IPv6 hints2606:4700:3031::ac43:d379, 2606:4700:3033::6815:3d96
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=190, name=cloudflare-ech.com
SOAgracie.ns.cloudflare.comdns@cloudflare.com serial=2400023742

com.cn

DNSSEC⚠️ Not signed
NSa.dns.cn ⭐ ⚠️ Not in parent delegation
NSb.dns.cn ⚠️ Not in parent delegation
NSc.dns.cn ⚠️ Not in parent delegation
NScns.cernet.net ⚠️ Not in parent delegation
NSd.dns.cn ⚠️ Not in parent delegation
NSe.dns.cn ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2030510779
WOT: NOT_SAFE (20/100)

Same first word

jtcf.jp
jtcf.org
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jtcf.com.cn
jtcf.org.uk

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tjfc.com

DNS History

11 records (6 active, 5 former)

20162017201820192020202120222023202420252026NSgracie.ns.cloudflare.comoswald.ns.cloudflare.comns1.alidns.comns2.alidns.comA104.21.61.150172.67.211.1212606:4700:3031::ac43:d3792606:4700:3033::6815:3d96123.254.111.190124.16.31.152CNAME22pk.lncdn.com
●NSgracie.ns.cloudflare.com2026-04-07 → 2026-04-12 · 3 obs
○ 2016-03-21 18:43:38
● 2026-04-07 05:27:34
● 2026-04-12 12:31:24
○NSns1.alidns.com2015-07-14 → 2016-03-21 · 4 obs
● 2015-07-14 00:05:18
● 2016-03-21 18:43:38
○ 2026-04-07 05:27:34
○ 2026-04-12 12:31:24
○NSns2.alidns.com2015-07-14 → 2016-03-21 · 4 obs
● 2015-07-14 00:05:18
● 2016-03-21 18:43:38
○ 2026-04-07 05:27:34
○ 2026-04-12 12:31:24
●NSoswald.ns.cloudflare.com2026-04-07 → 2026-04-12 · 3 obs
○ 2016-03-21 18:43:38
● 2026-04-07 05:27:34
● 2026-04-12 12:31:24
●A104.21.61.1502026-04-07 → 2026-04-12 · 3 obs
○ 2016-03-21 18:43:38
● 2026-04-07 05:27:34
● 2026-04-12 12:31:24
○A123.254.111.1902015-07-14 → 2015-07-14 · 3 obs
● 2015-07-14 00:05:18
○ 2015-11-14 04:00:00
○ 2026-04-12 12:31:24
○A124.16.31.1522015-11-14 → 2016-03-21 · 5 obs
○ 2015-07-14 00:05:18
● 2015-11-14 04:00:00
● 2016-03-21 18:43:38
○ 2026-04-07 05:27:34
○ 2026-04-12 12:31:24
●A172.67.211.1212026-04-07 → 2026-04-12 · 3 obs
○ 2016-03-21 18:43:38
● 2026-04-07 05:27:34
● 2026-04-12 12:31:24
●A2606:4700:3031::ac43:d3792026-04-07 → 2026-04-12 · 3 obs
○ 2016-03-21 18:43:38
● 2026-04-07 05:27:34
● 2026-04-12 12:31:24
●A2606:4700:3033::6815:3d962026-04-07 → 2026-04-12 · 3 obs
○ 2016-03-21 18:43:38
● 2026-04-07 05:27:34
● 2026-04-12 12:31:24
○CNAME22pk.lncdn.com2017-06-12 → 2017-06-12 · 3 obs
● 2017-06-12 15:18:34
○ 2026-04-07 05:27:34
○ 2026-04-12 12:31:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
jtcf.com.cngracie.ns.cloudflare.com, oswald.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.218

NS records: gracie.ns.cloudflare.com, oswald.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 890ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.61.150, 172.67.211.121
AAAA22606:4700:3031::ac43:d379, 2606:4700:3033::6815:3d96
NS2gracie.ns.cloudflare.com, oswald.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1gracie.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

Four IP numbers are pointed to by jtcf.com.cn: 2606:4700:3031::ac43:d379, 2606:4700:3033::6815:3d96, 104.21.61.150 and 172.67.211.121.

other host names including fatihpense.com, bingonetwork.co.uk, gamerr-streamm.com, humansafetyalliance.com and lythivalclub.sbs share IP numbers with jtcf.com.cn.

Name Servers

jtcf.com.cn is delegated to two name servers gracie.ns.cloudflare.com and oswald.ns.cloudflare.com.

jtcf.com.cn shares the same name server setup as other domains, for instance czzyy.com.cn, cammy.com.cn, 414ok.com.cn, pybz.com.cn and shemrani.com.

jtcf.com.cn at least partially shares name servers with other domains, for instance ferie.pro, balaogas.com, chiba-keiryoukanri.org, femcad.com and hi-media-publishing.com.

these name servers are often used together with apollo.ns.cloudflare.com, ruben.ns.cloudflare.com, susan.ns.cloudflare.com and maciej.ns.cloudflare.com.

Host names with six IP numbers:

Host name gracie.ns.cloudflare.com points to: 2606:4700:50::a29f:2690, 2803:f800:50::6ca2:c290, 2a06:98c1:50::ac40:2290, 108.162.194.144, 162.159.38.144 and 172.64.34.144.

Host name oswald.ns.cloudflare.com points to: 2606:4700:58::adf5:3bda, 2803:f800:50::6ca2:c1da, 2a06:98c1:50::ac40:21da, 108.162.193.218, 172.64.33.218 and 173.245.59.218.