`4ck.org`

DNSSEC	⚠️ Not signed
A	20.79.107.7^{🇩🇪 Microsoft20.64.0.0/10}
NS	`kira.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:26c5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kira.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2c5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kira.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22c5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kira.ns.cloudflare.com`
		A	108.162.194.197^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kira.ns.cloudflare.com`
		A	162.159.38.197^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kira.ns.cloudflare.com`
		A	172.64.34.197^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kira.ns.cloudflare.com`
NS	`toby.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bef^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ef^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`toby.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ef^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`toby.ns.cloudflare.com`
		A	108.162.193.239^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	172.64.33.239^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
		A	173.245.59.239^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`toby.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽²⁵⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁵⁶⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`google-site-verification=wXIQNKY4r8uaEupdwDBd7XRMHMhtd9usIWs7z8QlLh4`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
SOA	`kira.ns.cloudflare.com`dns@cloudflare.com serial=2398850672

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1774424812

Same first word

4ck.me

4ck.in

4ck.eu

4ck.ru

4ck.it

4ck.net

4ck.de

4ck.cn

4ck.org

4ck.co

Similar names

ck4.org

ck4.com

c4k.cz

ck4.co.za

ck4.co.uk

ck4.net

k4c.us

k4c.net

c4k.net

k4c.nl

kc4.ca

4kc.ch

ck4.cc

c4k.info

c4k.ch

ck4.us

c4k.com.au

c4k.com

c4k.cn

ck4.ru

c4k.at

c4k.org

kc4.com

ck4.info

k4c.co

4kc.biz

c4k.de

c4k.eu

c4k.io

k4c.co.uk

k4c.com

ck4.de

4kc.jp

4kc.co

k4c.de

k4c.org

4kc.ru

4kc.de

4kc.net

kc4.de

ck4.top

c4k.nl

c4k.ru

kc4.ru

4kc.cn

DNS History

8 records (6 active, 2 former)

●NSkira.ns.cloudflare.com2026-03-24 → 2026-03-25 · 3 obs

○ 2016-12-29 03:31:54
● 2026-03-24 10:37:28
● 2026-03-25 08:09:04

○NSn3301.ns.yunjiasu.com2016-02-02 → 2016-04-20 · 4 obs

● 2016-02-02 14:34:04
● 2016-04-20 18:14:36
○ 2016-12-29 03:31:54
○ 2026-03-25 08:09:04

○NSn357.ns.yunjiasu.com2016-02-02 → 2016-04-20 · 4 obs

● 2016-02-02 14:34:04
● 2016-04-20 18:14:36
○ 2016-12-29 03:31:54
○ 2026-03-25 08:09:04

●NStoby.ns.cloudflare.com2026-03-24 → 2026-03-25 · 3 obs

○ 2016-12-29 03:31:54
● 2026-03-24 10:37:28
● 2026-03-25 08:09:04

●MXroute1.mx.cloudflare.net2026-03-24 → 2026-03-25 · 2 obs

● 2026-03-24 10:37:28
● 2026-03-25 08:09:04

●MXroute2.mx.cloudflare.net2026-03-24 → 2026-03-25 · 2 obs

● 2026-03-24 10:37:28
● 2026-03-25 08:09:04

●MXroute3.mx.cloudflare.net2026-03-24 → 2026-03-25 · 2 obs

● 2026-03-24 10:37:28
● 2026-03-25 08:09:04

●A20.79.107.72026-03-24 → 2026-03-25 · 2 obs

● 2026-03-24 10:37:28
● 2026-03-25 08:09:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
4ck.org	kira.ns.cloudflare.com, toby.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.197

NS records: kira.ns.cloudflare.com, toby.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4ck.org (unsigned zone)

⏱️ Timing

Total: 445ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`20.79.107.7`
NS	2	`kira.ns.cloudflare.com, toby.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 16), route2.mx.cloudflare.net (pri: 25)...`
TXT	2	`google-site-verification=wXIQNKY4r8uaEup, v=spf1 include:_spf.mx.cloudflare.net ~a`
SOA	1	`kira.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

4ck.org points to a single IP number: 20.79.107.7.

other host names for instance schwanenapo-iserlohn.de, passat-apotheke.de, delphin-apo.de, pharmland.de and apothekeamtor.com share IP numbers with 4ck.org.

Name Servers

4ck.org is delegated to two name servers: kira.ns.cloudflare.com and toby.ns.cloudflare.com.

4ck.org shares the same name server setup as other domains, for example lecturesnote.com, samcloud.org, liveazco.com, lebon.info and photozilla.co.uk.

4ck.org at least partially shares name servers with other domains, for instance ttamgroup.com, unitra64analytics.click, adortega.com, sportuna-0100.com and actionrite.com.

These name servers are often used with rohin.ns.cloudflare.com and kate.ns.cloudflare.com.

Host names with six IP numbers:

kira.ns.cloudflare.com points to: 2606:4700:50::a29f:26c5, 2803:f800:50::6ca2:c2c5, 2a06:98c1:50::ac40:22c5, 108.162.194.197, 162.159.38.197 and 172.64.34.197; toby.ns.cloudflare.com points to: 2606:4700:58::adf5:3bef, 2803:f800:50::6ca2:c1ef, 2a06:98c1:50::ac40:21ef, 108.162.193.239, 172.64.33.239 and 173.245.59.239.

Mail Servers

4ck.org is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

4ck.org shares mail servers with other domains at least partially, including hardware-express.com, fabricbook.net, kuditime.com, nanostorm.mk and watergauge.in.

Host names with six IP numbers: route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13; route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19; route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

4ck.org - robtex.com

4ck.org

org

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`4ck.org`

`org`