cksystem.com - dns.ninja

`cksystem.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:ddfb^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:2667^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.38.103^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.221.251^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`emily.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a9b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emily.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`emily.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`emily.ns.cloudflare.com`
		A	108.162.192.155^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emily.ns.cloudflare.com`
		A	172.64.32.155^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emily.ns.cloudflare.com`
		A	173.245.58.155^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`emily.ns.cloudflare.com`
NS	`todd.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b92^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`todd.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c192^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`todd.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2192^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`todd.ns.cloudflare.com`
		A	108.162.193.146^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.33.146^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.59.146^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`mx-01-us-east-2.prod.hydra.sophos.com` ⭐
		A	3.131.28.165^{🇺🇸 Amazon3.131.0.0/16 EC2 CMH prefix}
			PTR	`ec2-3-131-28-165.us-east-2.compute.amazonaws.com`
		A	13.59.213.244^{🇺🇸 Amazon13.58.0.0/15 EC2 CMH prefix}
			PTR	`ec2-13-59-213-244.us-east-2.compute.amazonaws.com`
		A	18.217.193.181^{🇺🇸 Amazon18.216.0.0/14 EC2 CMH prefix}
			PTR	`ec2-18-217-193-181.us-east-2.compute.amazonaws.com`
MX	`mx-02-us-east-2.prod.hydra.sophos.com` ⭐
		A	3.131.28.165^{🇺🇸 Amazon3.131.0.0/16 EC2 CMH prefix}
			PTR	`ec2-3-131-28-165.us-east-2.compute.amazonaws.com`
		A	13.59.213.244^{🇺🇸 Amazon13.58.0.0/15 EC2 CMH prefix}
			PTR	`ec2-13-59-213-244.us-east-2.compute.amazonaws.com`
		A	18.217.193.181^{🇺🇸 Amazon18.216.0.0/14 EC2 CMH prefix}
			PTR	`ec2-18-217-193-181.us-east-2.compute.amazonaws.com`
TXT	`E1751raaQAZs`
TXT	`MS=00C707A01409E943D28009A72C13EFB7A51AFCF3`
TXT	`google-site-verification=3_APzwAvEVz7SIe4n9BTyUsiyQ8kpiAIS_Z-gIV0xNM`
TXT	`google-site-verification=fZTVfN1bMnSx1BwttLS2vXSkuizU-2jtARiFHqBEV0k`
TXT	`google-site-verification=u-6eIY4ZdICOEGHl2isScNBWJMSYhC80jxoyZoPqLlI`
TXT	`ms-domain-verification=d308c418-b749-4bef-8123-be8be6a6b95f`
TXT	`sophos-domain-verification=ac59c165a7117140840392ed519565d5ac19b02a`
TXT	`sophos-domain-verification=ac64c1afca7986e91ea7c05c0eb7040336513a059371224873...`
TXT	`twilio-domain-verification=e07d800f36ec4dea9ae7ced7f07a61a6`
TXT	`v=spf1 include:spf.protection.outlook.com include:_spf_useast2.prod.hydra.sop...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.38.103, 172.67.221.251
		IPv6 hints	2606:4700:3032::ac43:ddfb, 2606:4700:3033::6815:2667
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=180, name=cloudflare-ech.com
SOA	`emily.ns.cloudflare.com`dns@cloudflare.com serial=2406639597

`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=1782598325

WOT: SAFE (63/100)

Same first word

cksystem.com

cksystem.ru

Similar names

kcsystem.es

kcsystem.net

DNS History

32 records (8 active, 24 former)

●NSemily.ns.cloudflare.com2026-02-17 → 2026-06-27 · 3 obs

○ 2017-05-31 07:28:42
● 2026-02-17 08:43:22
● 2026-06-27 22:21:22

○NSlynn.ns.cloudflare.com2016-06-02 → 2017-05-31 · 5 obs

○ 2016-05-12 22:18:42
● 2016-06-02 23:03:56
● 2017-05-31 07:28:42
○ 2026-02-17 08:43:22
○ 2026-06-27 22:21:22

○NSns1.dnsbycomodo.net2015-07-15 → 2016-05-12 · 4 obs

● 2015-07-15 15:08:06
● 2016-05-12 22:18:42
○ 2016-06-02 23:03:56
○ 2026-06-27 22:21:22

○NSns2.dnsbycomodo.net2015-07-15 → 2016-05-12 · 4 obs

● 2015-07-15 15:08:06
● 2016-05-12 22:18:42
○ 2016-06-02 23:03:56
○ 2026-06-27 22:21:22

●NStodd.ns.cloudflare.com2026-02-17 → 2026-06-27 · 3 obs

○ 2017-05-31 07:28:42
● 2026-02-17 08:43:22
● 2026-06-27 22:21:22

○NSval.ns.cloudflare.com2016-06-02 → 2017-05-31 · 5 obs

○ 2016-05-12 22:18:42
● 2016-06-02 23:03:56
● 2017-05-31 07:28:42
○ 2026-02-17 08:43:22
○ 2026-06-27 22:21:22

○MXalt1.aspmx.l.google.com2015-07-15 → 2017-05-31 · 4 obs

● 2015-07-15 15:08:06
● 2017-05-31 07:28:42
○ 2026-02-17 08:43:22
○ 2026-06-27 22:21:22

○MXalt2.aspmx.l.google.com2015-07-15 → 2017-05-31 · 4 obs

● 2015-07-15 15:08:06
● 2017-05-31 07:28:42
○ 2026-02-17 08:43:22
○ 2026-06-27 22:21:22

○MXaspmx.l.google.com2015-07-15 → 2017-05-31 · 4 obs

● 2015-07-15 15:08:06
● 2017-05-31 07:28:42
○ 2026-02-17 08:43:22
○ 2026-06-27 22:21:22

○MXaspmx2.googlemail.com2015-07-15 → 2017-05-31 · 4 obs

● 2015-07-15 15:08:06
● 2017-05-31 07:28:42
○ 2026-02-17 08:43:22
○ 2026-06-27 22:21:22

○MXaspmx3.googlemail.com2015-07-15 → 2017-05-31 · 4 obs

● 2015-07-15 15:08:06
● 2017-05-31 07:28:42
○ 2026-02-17 08:43:22
○ 2026-06-27 22:21:22

○MXcksystem-com.mail.protection.outlook.com2026-03-07 → 2026-03-11 · 5 obs

○ 2026-03-06 02:58:54
● 2026-03-07 03:19:54
● 2026-03-11 15:05:04
○ 2026-03-12 02:11:08
○ 2026-06-27 22:21:22

●MXmx-01-us-east-2.prod.hydra.sophos.com2026-03-12 → 2026-06-27 · 3 obs

○ 2026-03-11 15:05:04
● 2026-03-12 02:11:08
● 2026-06-27 22:21:22

●MXmx-02-us-east-2.prod.hydra.sophos.com2026-03-12 → 2026-06-27 · 3 obs

○ 2026-03-11 15:05:04
● 2026-03-12 02:11:08
● 2026-06-27 22:21:22

○MXmx1-us1.ppe-hosted.com2026-02-17 → 2026-03-06 · 5 obs

○ 2017-05-31 07:28:42
● 2026-02-17 08:43:22
● 2026-03-06 02:58:54
○ 2026-03-07 03:19:54
○ 2026-06-27 22:21:22

○MXmx2-us1.ppe-hosted.com2026-02-17 → 2026-03-06 · 5 obs

○ 2017-05-31 07:28:42
● 2026-02-17 08:43:22
● 2026-03-06 02:58:54
○ 2026-03-07 03:19:54
○ 2026-06-27 22:21:22

●A104.21.38.1032026-02-17 → 2026-06-27 · 88 obs

○ 2017-05-31 07:28:42
● 2026-02-17 08:43:22
● 2026-02-18 23:45:16
○ 2026-02-19 04:04:56
○ 2026-02-20 14:22:22
● 2026-02-21 15:58:26
● 2026-02-23 14:06:00
○ 2026-02-23 19:13:14
● 2026-02-23 23:36:38
○ 2026-02-24 11:44:46
○ 2026-02-25 06:02:56
● 2026-02-25 07:02:26
○ 2026-02-27 10:45:06
● 2026-02-27 14:26:12
○ 2026-02-28 19:59:26
● 2026-03-01 13:42:12
● 2026-03-02 22:29:14
○ 2026-03-04 01:58:10
○ 2026-03-13 23:05:52
● 2026-03-14 00:00:44
○ 2026-03-14 06:50:48
○ 2026-03-14 07:39:28
● 2026-03-14 15:43:50
○ 2026-03-14 19:30:10
○ 2026-03-16 01:11:30
● 2026-03-16 10:41:42
○ 2026-03-18 02:30:38
○ 2026-03-21 06:47:36
● 2026-03-21 08:04:54
○ 2026-03-21 21:25:30
○ 2026-03-23 18:07:08
● 2026-03-23 21:01:00
● 2026-03-25 00:39:04
○ 2026-03-25 01:12:12
○ 2026-03-28 08:21:30
● 2026-03-28 16:48:06
● 2026-03-29 19:30:12
○ 2026-03-30 00:01:40
○ 2026-04-05 02:57:00
● 2026-04-05 20:49:18
● 2026-04-05 21:46:46
○ 2026-04-06 00:13:40
○ 2026-04-07 13:50:40
● 2026-04-08 22:10:10
○ 2026-04-09 02:30:52
○ 2026-04-15 22:32:32
● 2026-04-19 10:10:04
○ 2026-04-19 15:00:02
○ 2026-05-08 01:24:26
● 2026-05-08 15:17:54
○ 2026-05-08 19:02:28
○ 2026-05-23 19:08:30
● 2026-05-24 03:27:04
● 2026-05-24 09:15:34
○ 2026-05-24 19:34:12
○ 2026-05-29 00:59:32
● 2026-05-29 16:31:14
● 2026-05-29 18:06:26
○ 2026-05-30 05:10:44
● 2026-06-01 00:02:16
● 2026-06-01 10:04:42
○ 2026-06-01 21:05:58
● 2026-06-02 09:51:30
○ 2026-06-02 18:26:02
○ 2026-06-04 06:21:22
● 2026-06-04 09:00:54
○ 2026-06-04 09:42:38
● 2026-06-04 11:45:28
○ 2026-06-04 13:02:06
○ 2026-06-05 17:27:16
● 2026-06-07 06:56:08
○ 2026-06-07 14:33:36
○ 2026-06-09 17:43:08
● 2026-06-10 01:37:16
● 2026-06-10 03:17:24
○ 2026-06-10 16:19:02
○ 2026-06-14 22:08:00
● 2026-06-15 14:31:34
○ 2026-06-15 23:25:12
○ 2026-06-17 22:57:54
● 2026-06-19 13:57:28
○ 2026-06-19 18:50:40
● 2026-06-20 19:09:34
○ 2026-06-21 01:19:18
● 2026-06-22 09:41:44
○ 2026-06-23 04:46:40
● 2026-06-26 18:00:58
● 2026-06-27 22:21:22

○A104.25.160.302016-06-02 → 2017-05-31 · 5 obs

○ 2016-05-12 22:18:42
● 2016-06-02 23:03:56
● 2017-05-31 07:28:42
○ 2026-02-17 08:43:22
○ 2026-06-27 22:21:22

○A104.25.161.302016-06-02 → 2017-05-31 · 5 obs

○ 2016-05-12 22:18:42
● 2016-06-02 23:03:56
● 2017-05-31 07:28:42
○ 2026-02-17 08:43:22
○ 2026-06-27 22:21:22

●A172.67.221.2512026-02-17 → 2026-06-27 · 88 obs

○A184.168.47.2252016-03-23 → 2016-05-12 · 5 obs

○ 2015-12-20 01:32:28
● 2016-03-23 10:19:38
● 2016-05-12 22:18:42
○ 2016-06-02 23:03:56
○ 2026-06-27 22:21:22

○A188.114.96.02026-02-19 → 2026-06-23 · 87 obs

○ 2026-02-17 08:43:22
○ 2026-02-18 23:45:16
● 2026-02-19 04:04:56
● 2026-02-20 14:22:22
○ 2026-02-21 15:58:26
○ 2026-02-23 14:06:00
● 2026-02-23 19:13:14
○ 2026-02-23 23:36:38
● 2026-02-24 11:44:46
● 2026-02-25 06:02:56
○ 2026-02-25 07:02:26
● 2026-02-27 10:45:06
○ 2026-02-27 14:26:12
● 2026-02-28 19:59:26
○ 2026-03-01 13:42:12
○ 2026-03-02 22:29:14
● 2026-03-04 01:58:10
● 2026-03-13 23:05:52
○ 2026-03-14 00:00:44
● 2026-03-14 06:50:48
● 2026-03-14 07:39:28
○ 2026-03-14 15:43:50
● 2026-03-14 19:30:10
● 2026-03-16 01:11:30
○ 2026-03-16 10:41:42
● 2026-03-18 02:30:38
● 2026-03-21 06:47:36
○ 2026-03-21 08:04:54
● 2026-03-21 21:25:30
● 2026-03-23 18:07:08
○ 2026-03-23 21:01:00
○ 2026-03-25 00:39:04
● 2026-03-25 01:12:12
● 2026-03-28 08:21:30
○ 2026-03-28 16:48:06
○ 2026-03-29 19:30:12
● 2026-03-30 00:01:40
● 2026-04-05 02:57:00
○ 2026-04-05 20:49:18
○ 2026-04-05 21:46:46
● 2026-04-06 00:13:40
● 2026-04-07 13:50:40
○ 2026-04-08 22:10:10
● 2026-04-09 02:30:52
● 2026-04-15 22:32:32
○ 2026-04-19 10:10:04
● 2026-04-19 15:00:02
● 2026-05-08 01:24:26
○ 2026-05-08 15:17:54
● 2026-05-08 19:02:28
● 2026-05-23 19:08:30
○ 2026-05-24 03:27:04
○ 2026-05-24 09:15:34
● 2026-05-24 19:34:12
● 2026-05-29 00:59:32
○ 2026-05-29 16:31:14
○ 2026-05-29 18:06:26
● 2026-05-30 05:10:44
○ 2026-06-01 00:02:16
○ 2026-06-01 10:04:42
● 2026-06-01 21:05:58
○ 2026-06-02 09:51:30
● 2026-06-02 18:26:02
● 2026-06-04 06:21:22
○ 2026-06-04 09:00:54
● 2026-06-04 09:42:38
○ 2026-06-04 11:45:28
● 2026-06-04 13:02:06
● 2026-06-05 17:27:16
○ 2026-06-07 06:56:08
● 2026-06-07 14:33:36
● 2026-06-09 17:43:08
○ 2026-06-10 01:37:16
○ 2026-06-10 03:17:24
● 2026-06-10 16:19:02
● 2026-06-14 22:08:00
○ 2026-06-15 14:31:34
● 2026-06-15 23:25:12
● 2026-06-17 22:57:54
○ 2026-06-19 13:57:28
● 2026-06-19 18:50:40
○ 2026-06-20 19:09:34
● 2026-06-21 01:19:18
○ 2026-06-22 09:41:44
● 2026-06-23 04:46:40
○ 2026-06-26 18:00:58
○ 2026-06-27 22:21:22

○A188.114.97.02026-02-19 → 2026-06-23 · 87 obs

○A2400:cb00:2048:1::6819:a01e2016-11-16 → 2017-05-31 · 5 obs

○ 2016-06-02 23:03:56
● 2016-11-16 08:43:30
● 2017-05-31 07:28:42
○ 2026-02-17 08:43:22
○ 2026-06-27 22:21:22

○A2400:cb00:2048:1::6819:a11e2016-11-16 → 2017-05-31 · 5 obs

○ 2016-06-02 23:03:56
● 2016-11-16 08:43:30
● 2017-05-31 07:28:42
○ 2026-02-17 08:43:22
○ 2026-06-27 22:21:22

○A2606:4700:3032::6815:26672026-02-17 → 2026-06-22 · 87 obs

●A2606:4700:3032::ac43:ddfb2026-06-26 → 2026-06-27 · 3 obs

○ 2026-06-23 04:46:40
● 2026-06-26 18:00:58
● 2026-06-27 22:21:22

●A2606:4700:3033::6815:26672026-06-26 → 2026-06-27 · 3 obs

○ 2026-06-23 04:46:40
● 2026-06-26 18:00:58
● 2026-06-27 22:21:22

○A2606:4700:3033::ac43:ddfb2026-02-17 → 2026-06-22 · 87 obs

○A2a06:98c1:3120::2026-02-19 → 2026-06-23 · 87 obs

○A2a06:98c1:3121::2026-02-19 → 2026-06-23 · 87 obs

○A72.165.83.1092015-07-15 → 2015-12-20 · 4 obs

● 2015-07-15 15:08:06
● 2015-12-20 01:32:28
○ 2016-03-23 10:19:38
○ 2026-06-27 22:21:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cksystem.com	todd.ns.cloudflare.com, emily.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.155

NS records: todd.ns.cloudflare.com, emily.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cksystem.com (unsigned zone)

⏱️ Timing

Total: 284ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.38.103, 172.67.221.251`
AAAA	2	`2606:4700:3032::ac43:ddfb, 2606:4700:3033::6815:2667`
NS	2	`emily.ns.cloudflare.com, todd.ns.cloudflare.com`
MX	2	`mx-01-us-east-2.prod.hydra.sophos.com (p, mx-02-us-east-2.prod.hydra.sophos.com (p`
TXT	10	`E1751raaQAZs, MS=00C707A01409E943D28009A72C13EFB7A51AF...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`emily.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cksystem.com points to the four IP addresses 104.21.38.103, 172.67.221.251, 2606:4700:3032::ac43:ddfb and 2606:4700:3033::6815:2667.

imcd.rz12329.com, g.rz12329.com, jf2u6.rz12329.com and two other host names share IP numbers with cksystem.com.

Name Servers

cksystem.com is served by two delegated name servers, emily.ns.cloudflare.com and todd.ns.cloudflare.com.

cksystem.com uses the same name servers as several other domains — among them piaod.com, qxscore.com, sammyduvall.com and two more.

The name servers of cksystem.com overlap at least partially with those of other domains — among them bonusin.xyz, fwvf4jylmjs.top, tcnh.com and two more.

These name servers commonly appear alongside the name servers kim.ns.cloudflare.com and cash.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

emily.ns.cloudflare.com carries IP addresses 108.162.192.155, 172.64.32.155 and 173.245.58.155, with 3 other addresses beyond those.

todd.ns.cloudflare.com carries IP addresses 108.162.193.146, 172.64.33.146 and 173.245.59.146, with 3 other addresses beyond those.

Mail Servers

Mail for cksystem.com is handled by two mail servers — mx-01-us-east-2.prod.hydra.sophos.com and mx-02-us-east-2.prod.hydra.sophos.com.

cksystem.com uses an identical mail server configuration to several other domains — among them barkleyag.com, tidewatermidstream.com, auetulsa.com and two more.

cksystem.com has at least partial mail server overlap with other domains such as mcmequities.com, copak.com, alamjaadgroup.com and two more.

The hostnames mx-01-us-east-2.prod.hydra.sophos.com and mx-02-us-east-2.prod.hydra.sophos.com each point to three IP numbers — 3.131.28.165, 13.59.213.244 and 18.217.193.181 — with identical mappings.

These two host names — mx-01-us-east-2.prod.hydra.sophos.com and mx-02-us-east-2.prod.hydra.sophos.com — each point to 3.131.28.165 IP addresses.

These two host names — mx-01-us-east-2.prod.hydra.sophos.com and mx-02-us-east-2.prod.hydra.sophos.com — each point to 13.59.213.244 IP addresses.

These two host names — mx-01-us-east-2.prod.hydra.sophos.com and mx-02-us-east-2.prod.hydra.sophos.com — each point to 18.217.193.181 IP addresses.