`jcfsk.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:b4cf^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:5bdb^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.91.219^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.180.207^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`heidi.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26ec^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ec^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`heidi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ec^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`heidi.ns.cloudflare.com`
		A	108.162.194.236^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
		A	162.159.38.236^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
		A	172.64.34.236^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`heidi.ns.cloudflare.com`
NS	`howard.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cab^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`howard.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ab^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`howard.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ab^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`howard.ns.cloudflare.com`
		A	108.162.195.171^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`howard.ns.cloudflare.com`
		A	162.159.44.171^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`howard.ns.cloudflare.com`
		A	172.64.35.171^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`howard.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.91.219, 172.67.180.207
		IPv6 hints	2606:4700:3030::ac43:b4cf, 2606:4700:3034::6815:5bdb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=26, name=cloudflare-ech.com
SOA	`heidi.ns.cloudflare.com`dns@cloudflare.com serial=2399844708

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1775970182

Same first word

jcfsk.com

Similar names

scjkf.cn

fksjc.com

fsjkc.com

fsckj.com

jcfks.com

scfkj.com

jfskc.org

jsckf.com

jfcsk.com

cfskj.cc

DNS History

17 records (6 active, 11 former)

○NSf1g1ns1.dnspod.net2015-11-07 → 2016-05-01 · 4 obs

● 2015-11-07 18:33:16
● 2016-05-01 15:28:38
○ 2017-01-05 13:11:12
○ 2026-04-12 05:25:34

○NSf1g1ns2.dnspod.net2015-11-07 → 2016-05-01 · 4 obs

● 2015-11-07 18:33:16
● 2016-05-01 15:28:38
○ 2017-01-05 13:11:12
○ 2026-04-12 05:25:34

●NSheidi.ns.cloudflare.com2026-04-10 → 2026-04-12 · 3 obs

○ 2017-05-29 08:44:00
● 2026-04-10 02:31:42
● 2026-04-12 05:25:34

●NShoward.ns.cloudflare.com2026-04-10 → 2026-04-12 · 3 obs

○ 2017-05-29 08:44:00
● 2026-04-10 02:31:42
● 2026-04-12 05:25:34

○NSns1.360wzb.com2017-01-05 → 2017-05-29 · 5 obs

○ 2016-05-01 15:28:38
● 2017-01-05 13:11:12
● 2017-05-29 08:44:00
○ 2026-04-10 02:31:42
○ 2026-04-12 05:25:34

○NSns2.360wzb.com2017-01-05 → 2017-05-29 · 5 obs

○ 2016-05-01 15:28:38
● 2017-01-05 13:11:12
● 2017-05-29 08:44:00
○ 2026-04-10 02:31:42
○ 2026-04-12 05:25:34

●A104.21.91.2192026-04-10 → 2026-04-12 · 3 obs

○ 2017-01-05 13:11:12
● 2026-04-10 02:31:42
● 2026-04-12 05:25:34

●A172.67.180.2072026-04-10 → 2026-04-12 · 3 obs

○ 2017-01-05 13:11:12
● 2026-04-10 02:31:42
● 2026-04-12 05:25:34

○A210.209.94.1082016-01-19 → 2016-01-19 · 4 obs

○ 2015-11-07 18:33:16
● 2016-01-19 00:19:38
○ 2016-05-01 15:28:38
○ 2026-04-12 05:25:34

○A211.149.161.2522015-11-07 → 2015-11-07 · 3 obs

● 2015-11-07 18:33:16
○ 2016-01-19 00:19:38
○ 2026-04-12 05:25:34

○A219.234.8.892016-05-01 → 2016-05-01 · 4 obs

○ 2016-01-19 00:19:38
● 2016-05-01 15:28:38
○ 2017-01-05 13:11:12
○ 2026-04-12 05:25:34

●A2606:4700:3030::ac43:b4cf2026-04-10 → 2026-04-12 · 3 obs

○ 2017-01-05 13:11:12
● 2026-04-10 02:31:42
● 2026-04-12 05:25:34

●A2606:4700:3034::6815:5bdb2026-04-10 → 2026-04-12 · 3 obs

○ 2017-01-05 13:11:12
● 2026-04-10 02:31:42
● 2026-04-12 05:25:34

○CNAMEhksite1010.800cdn.com2015-11-07 → 2015-11-07 · 3 obs

● 2015-11-07 18:33:16
○ 2016-01-19 00:19:38
○ 2026-04-12 05:25:34

○CNAMEhkvhost668.800cdn.com2016-05-01 → 2016-05-01 · 4 obs

○ 2016-01-19 00:19:38
● 2016-05-01 15:28:38
○ 2017-01-05 13:11:12
○ 2026-04-12 05:25:34

○CNAMEhkvhost687.800cdn.com2016-01-19 → 2016-01-19 · 4 obs

○ 2015-11-07 18:33:16
● 2016-01-19 00:19:38
○ 2016-05-01 15:28:38
○ 2026-04-12 05:25:34

○CNAMExaftjd.gotoip55.com2015-11-07 → 2016-05-01 · 4 obs

● 2015-11-07 18:33:16
● 2016-05-01 15:28:38
○ 2017-01-05 13:11:12
○ 2026-04-12 05:25:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
jcfsk.com	heidi.ns.cloudflare.com, howard.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.171

NS records: heidi.ns.cloudflare.com, howard.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jcfsk.com (unsigned zone)

⏱️ Timing

Total: 174ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.91.219, 172.67.180.207`
AAAA	2	`2606:4700:3034::6815:5bdb, 2606:4700:3030::ac43:b4cf`
NS	2	`heidi.ns.cloudflare.com, howard.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`heidi.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

jcfsk.com refers to four IP numbers: 2606:4700:3030::ac43:b4cf, 2606:4700:3034::6815:5bdb, 104.21.91.219 and 172.67.180.207.

Other host names, for instance e7667.com, geoprimeinv-est.click, kepritoslot234.online, portalnet.website and ns1.jans.jp share IP numbers with jcfsk.com.

Name Servers

jcfsk.com's delegation uses two name servers: heidi.ns.cloudflare.com and howard.ns.cloudflare.com.

jcfsk.com uses the same name server setup as other domains, such as hengdeshangmaocheng.com, wxjgsgj.com, ixzsh.com, scpld.fr and fsxltc.com.

jcfsk.com at least partially shares name servers with other domains, including upswale.com, khebre.ir, luupi.us, raffi777jp.com and kritikawires.com.

These name servers are commonly used with elinore.ns.cloudflare.com, isla.ns.cloudflare.com and seamus.ns.cloudflare.com.

Host names with six IP numbers:

heidi.ns.cloudflare.com points to 2606:4700:50::a29f:26ec, 2803:f800:50::6ca2:c2ec, 2a06:98c1:50::ac40:22ec, 108.162.194.236, 162.159.38.236 and 172.64.34.236.

howard.ns.cloudflare.com points to 2606:4700:58::a29f:2cab, 2803:f800:50::6ca2:c3ab, 2a06:98c1:50::ac40:23ab, 108.162.195.171, 162.159.44.171 and 172.64.35.171.

jcfsk.com - robtex.com

jcfsk.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`jcfsk.com`

`com`