jbfc.com.cn - robtex.com

jbfc.com.cn

DNSSEC⚠️ Not signed
A2606:4700:3037::6815:494b🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:9ebb🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.73.75Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.158.187🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSseamus.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2cb8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRseamus.ns.cloudflare.com
A2803:f800:50::6ca2:c3b8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRseamus.ns.cloudflare.com
A2a06:98c1:50::ac40:23b8🇺🇸 Cloudflare2a06:98c1:50::/45
PTRseamus.ns.cloudflare.com
A108.162.195.184🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRseamus.ns.cloudflare.com
A162.159.44.184Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRseamus.ns.cloudflare.com
A172.64.35.184🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRseamus.ns.cloudflare.com
NSsummer.ns.cloudflare.com
A2606:4700:50::a29f:2609🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsummer.ns.cloudflare.com
A2803:f800:50::6ca2:c209🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsummer.ns.cloudflare.com
A2a06:98c1:50::ac40:2209🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsummer.ns.cloudflare.com
A108.162.194.9🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsummer.ns.cloudflare.com
A162.159.38.9Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsummer.ns.cloudflare.com
A172.64.34.9🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsummer.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.73.75, 172.67.158.187
IPv6 hints2606:4700:3037::6815:494b, 2606:4700:3037::ac43:9ebb
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=117, name=cloudflare-ech.com
SOAseamus.ns.cloudflare.comdns@cloudflare.com serial=2399898473

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=2030531279
WOT: NOT_SAFE (20/100)

Same first word

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jbfc.kr
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jbfc.eu

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cjfb.cn

DNS History

9 records (6 active, 3 former)

NSseamus.ns.cloudflare.comsummer.ns.cloudflare.comdm1.longmingdns.comdm2.longmingdns.comA104.21.73.75172.67.158.1872606:4700:3037::6815:494b2606:4700:3037::ac43:9ebb38.33.205.76
○NSdm1.longmingdns.com2026-03-20 → 2026-03-20 · 3 obs
● 2026-03-20 00:20:24
○ 2026-04-24 03:58:28
○ 2026-04-24 03:58:34
○NSdm2.longmingdns.com2026-03-20 → 2026-03-20 · 3 obs
● 2026-03-20 00:20:24
○ 2026-04-24 03:58:28
○ 2026-04-24 03:58:34
●NSseamus.ns.cloudflare.com2026-04-24 → 2026-04-24 · 3 obs
○ 2026-03-20 00:20:24
● 2026-04-24 03:58:28
● 2026-04-24 03:58:34
●NSsummer.ns.cloudflare.com2026-04-24 → 2026-04-24 · 3 obs
○ 2026-03-20 00:20:24
● 2026-04-24 03:58:28
● 2026-04-24 03:58:34
●A104.21.73.752026-04-24 → 2026-04-24 · 3 obs
○ 2026-03-20 00:20:24
● 2026-04-24 03:58:28
● 2026-04-24 03:58:34
●A172.67.158.1872026-04-24 → 2026-04-24 · 3 obs
○ 2026-03-20 00:20:24
● 2026-04-24 03:58:28
● 2026-04-24 03:58:34
●A2606:4700:3037::6815:494b2026-04-24 → 2026-04-24 · 3 obs
○ 2026-03-20 00:20:24
● 2026-04-24 03:58:28
● 2026-04-24 03:58:34
●A2606:4700:3037::ac43:9ebb2026-04-24 → 2026-04-24 · 3 obs
○ 2026-03-20 00:20:24
● 2026-04-24 03:58:28
● 2026-04-24 03:58:34
○A38.33.205.762026-03-20 → 2026-03-20 · 3 obs
● 2026-03-20 00:20:24
○ 2026-04-24 03:58:28
○ 2026-04-24 03:58:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cnb.dns.cn, c.dns.cn, d.dns.cn, e.dns.cn...-
jbfc.com.cnseamus.ns.cloudflare.com, summer.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.9

NS records: seamus.ns.cloudflare.com, summer.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 725ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.73.75, 172.67.158.187
AAAA22606:4700:3037::ac43:9ebb, 2606:4700:3037::6815:494b
NS2seamus.ns.cloudflare.com, summer.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1seamus.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

jbfc.com.cn resolves to four IPs: 2606:4700:3037::6815:494b, 2606:4700:3037::ac43:9ebb, 104.21.73.75 and 172.67.158.187.

Other host names such as customtubas.com, thorivandor.com, albawsala.org, croydon-nh.com and img-serve-c.com share IP numbers with jbfc.com.cn.

Name Servers

jbfc.com.cn is delegated to two name servers: seamus.ns.cloudflare.com and summer.ns.cloudflare.com.

jbfc.com.cn uses the same name server setup as other domains, including ljy.net.cn, netdot.com.cn, nlgh.com.cn, jxpm.net.cn and cbfn.com.cn.

At least part of the name servers for jbfc.com.cn are shared with other domains, for instance alcatifex.com, cqbnda.com, valmor-07pintex.biz, smooth-throttle.com and cdn-972.pages.dev.

These name servers are commonly used alongside gemma.ns.cloudflare.com and eoin.ns.cloudflare.com.

Host names with six IP numbers:

seamus.ns.cloudflare.com points to: 2606:4700:58::a29f:2cb8, 2803:f800:50::6ca2:c3b8, 2a06:98c1:50::ac40:23b8, 108.162.195.184, 162.159.44.184 and 172.64.35.184.

summer.ns.cloudflare.com points to: 2606:4700:50::a29f:2609, 2803:f800:50::6ca2:c209, 2a06:98c1:50::ac40:2209, 108.162.194.9, 162.159.38.9 and 172.64.34.9.