jfcheng.com - robtex.com

jfcheng.com

DNSSEC⚠️ Not signed
A2606:4700:3036::ac43:df7a🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:536f🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.83.111Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.223.122🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSamanda.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a3f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
A2803:f800:50::6ca2:c03f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRamanda.ns.cloudflare.com
A2a06:98c1:50::ac40:203f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRamanda.ns.cloudflare.com
A108.162.192.63🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
A172.64.32.63🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
A173.245.58.63🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRamanda.ns.cloudflare.com
NSryan.ns.cloudflare.com
A2606:4700:58::a29f:2ce5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRryan.ns.cloudflare.com
A2803:f800:50::6ca2:c3e5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRryan.ns.cloudflare.com
A2a06:98c1:50::ac40:23e5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRryan.ns.cloudflare.com
A108.162.195.229🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRryan.ns.cloudflare.com
A162.159.44.229Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRryan.ns.cloudflare.com
A172.64.35.229🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRryan.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.83.111, 172.67.223.122
IPv62606:4700:3036::ac43:df7a, 2606:4700:3037::6815:536f
SOAamanda.ns.cloudflare.comdns@cloudflare.com serial=2399884722

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=1774405677

Same first word

jfcheng.com

Similar names

fengchj.com

DNS History

10 records (6 active, 4 former)

20162017201820192020202120222023202420252026NSamanda.ns.cloudflare.comryan.ns.cloudflare.comf1g1ns1.dnspod.netf1g1ns2.dnspod.netA104.21.83.111172.67.223.1222606:4700:3036::ac43:df7a2606:4700:3037::6815:536f123.56.136.21727.151.28.50
●NSamanda.ns.cloudflare.com2026-03-24 → 2026-03-25 · 3 obs
○ 2020-03-08 16:21:44
● 2026-03-24 23:27:34
● 2026-03-25 02:28:26
○NSf1g1ns1.dnspod.net2015-07-16 → 2017-02-09 · 4 obs
● 2015-07-16 03:07:20
● 2017-02-09 13:13:10
○ 2020-03-08 16:21:44
○ 2026-03-25 02:28:26
○NSf1g1ns2.dnspod.net2015-07-16 → 2017-02-09 · 4 obs
● 2015-07-16 03:07:20
● 2017-02-09 13:13:10
○ 2020-03-08 16:21:44
○ 2026-03-25 02:28:26
●NSryan.ns.cloudflare.com2026-03-24 → 2026-03-25 · 3 obs
○ 2020-03-08 16:21:44
● 2026-03-24 23:27:34
● 2026-03-25 02:28:26
●A104.21.83.1112026-03-24 → 2026-03-25 · 3 obs
○ 2020-03-08 16:21:44
● 2026-03-24 23:27:34
● 2026-03-25 02:28:26
○A123.56.136.2172016-02-06 → 2016-05-06 · 4 obs
● 2016-02-06 00:15:34
● 2016-05-06 19:09:08
○ 2020-03-08 16:21:44
○ 2026-03-25 02:28:26
●A172.67.223.1222026-03-24 → 2026-03-25 · 3 obs
○ 2020-03-08 16:21:44
● 2026-03-24 23:27:34
● 2026-03-25 02:28:26
●A2606:4700:3036::ac43:df7a2026-03-24 → 2026-03-25 · 3 obs
○ 2020-03-08 16:21:44
● 2026-03-24 23:27:34
● 2026-03-25 02:28:26
●A2606:4700:3037::6815:536f2026-03-24 → 2026-03-25 · 3 obs
○ 2020-03-08 16:21:44
● 2026-03-24 23:27:34
● 2026-03-25 02:28:26
○A27.151.28.502017-02-09 → 2017-02-09 · 4 obs
○ 2016-05-06 19:09:08
● 2017-02-09 13:13:10
○ 2026-03-24 23:27:34
○ 2026-03-25 02:28:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
jfcheng.comamanda.ns.cloudflare.com, ryan.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.229

NS records: amanda.ns.cloudflare.com, ryan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jfcheng.com (unsigned zone)

⏱️ Timing

Total: 185ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.83.111, 172.67.223.122
AAAA22606:4700:3037::6815:536f, 2606:4700:3036::ac43:df7a
NS2amanda.ns.cloudflare.com, ryan.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1amanda.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

jfcheng.com points to four IP numbers: 2606:4700:3036::ac43:df7a, 2606:4700:3037::6815:536f, 104.21.83.111 and 172.67.223.122.

Other host names, for instance tr.tvnano.xyz, hzwenyi.com, rogmovies.space, fondue.eu and infobankov.ru share IP numbers with jfcheng.com.

Name Servers

jfcheng.com's delegation is to two name servers amanda.ns.cloudflare.com and ryan.ns.cloudflare.com.

jfcheng.com shares the same name server configuration as other domains, such as xinxu0310.com, 7yougo.com, wxyjc.com, tydwkj.com and antoniosparmatown.net.

jfcheng.com at least partially shares its name servers with other domains, for instance buffwear.co.uk, fxfda.cn, marcuswinshowll.pages.dev, bigbigwatermelon.com and noptialbe.net.

These name servers are often used together with the name servers andy.ns.cloudflare.com.

Host names with six IP numbers:

amanda.ns.cloudflare.com points to: 2606:4700:50::adf5:3a3f, 2803:f800:50::6ca2:c03f, 2a06:98c1:50::ac40:203f, 108.162.192.63, 172.64.32.63 and 173.245.58.63.

ryan.ns.cloudflare.com points to: 2606:4700:58::a29f:2ce5, 2803:f800:50::6ca2:c3e5, 2a06:98c1:50::ac40:23e5, 108.162.195.229, 162.159.44.229 and 172.64.35.229.