`kcrj.us`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:4d6b^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:cf2c^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.77.107^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.207.44^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`noah.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b85^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c185^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`noah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2185^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`noah.ns.cloudflare.com`
		A	108.162.193.133^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noah.ns.cloudflare.com`
		A	172.64.33.133^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noah.ns.cloudflare.com`
		A	173.245.59.133^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`noah.ns.cloudflare.com`
NS	`serenity.ns.cloudflare.com`
		A	2606:4700:50::a29f:266c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c26c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`serenity.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:226c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`serenity.ns.cloudflare.com`
		A	108.162.194.108^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
		A	162.159.38.108^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
		A	172.64.34.108^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`serenity.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.77.107, 172.67.207.44
		IPv6	2606:4700:3030::6815:4d6b, 2606:4700:3036::ac43:cf2c
SOA	`noah.ns.cloudflare.com`dns@cloudflare.com serial=2396636902

`us`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.cctld.us` ⭐
	NS	`b.cctld.us`
	NS	`f.cctld.us`
	NS	`k.cctld.us`
	NS	`m.cctld.us`
	NS	`n.cctld.us`
	NS	`w.cctld.us`
	NS	`x.cctld.us`
	NS	`y.cctld.us`
	SOA	`a.cctld.us`admin@tldns.godaddy serial=1774385306

Previously MX for

kcrj.us

Same first word

kcrj.de

kcrj.net

kcrj.ch

kcrj.us

Similar names

kcjr.cn

jcrk.fr

cjkr.cn

rckj.com.cn

ckrj.net

krjc.net

ckrj.ca

ckjr.de

jkcr.xyz

krjc.kg

jrkc.co.jp

cjkr.ru

jrkc.sakura.ne.jp

ckjr.cn

jcrk.cn

jrkc.com

jckr.com

rcjk.com.cn

jcrk.kr

crkj.com.cn

crkj.net

DNS History

17 records (6 active, 11 former)

●NSnoah.ns.cloudflare.com2026-03-01 → 2026-03-24 · 3 obs

○ 2020-02-24 13:55:40
● 2026-03-01 12:57:50
● 2026-03-24 20:57:04

○NSns1.intelliwire.net2016-03-28 → 2020-02-24 · 5 obs

○ 2015-12-06 19:19:28
● 2016-03-28 11:50:10
● 2020-02-24 13:55:40
○ 2026-03-01 12:57:50
○ 2026-03-24 20:57:04

○NSns1.myserver.com2016-03-28 → 2020-02-24 · 5 obs

○ 2015-12-06 19:19:28
● 2016-03-28 11:50:10
● 2020-02-24 13:55:40
○ 2026-03-01 12:57:50
○ 2026-03-24 20:57:04

○NSns1.zoratek.com2015-08-06 → 2015-12-06 · 4 obs

● 2015-08-06 08:26:08
● 2015-12-06 19:19:28
○ 2016-03-28 11:50:10
○ 2026-03-24 20:57:04

○NSns2.intelliwire.net2016-03-28 → 2020-02-24 · 5 obs

○ 2015-12-06 19:19:28
● 2016-03-28 11:50:10
● 2020-02-24 13:55:40
○ 2026-03-01 12:57:50
○ 2026-03-24 20:57:04

○NSns2.zoratek.com2015-08-06 → 2015-12-06 · 4 obs

● 2015-08-06 08:26:08
● 2015-12-06 19:19:28
○ 2016-03-28 11:50:10
○ 2026-03-24 20:57:04

●NSserenity.ns.cloudflare.com2026-03-01 → 2026-03-24 · 3 obs

○ 2020-02-24 13:55:40
● 2026-03-01 12:57:50
● 2026-03-24 20:57:04

○MXkcrj-us.mail.protection.outlook.com2020-02-24 → 2020-02-24 · 4 obs

○ 2016-03-28 11:50:10
● 2020-02-24 13:55:40
○ 2026-03-01 12:57:50
○ 2026-03-24 20:57:04

○MXkcrj.us2015-08-06 → 2015-12-06 · 4 obs

● 2015-08-06 08:26:08
● 2015-12-06 19:19:28
○ 2016-03-28 11:50:10
○ 2026-03-24 20:57:04

○MXmail.kcrj.us2016-03-28 → 2016-03-28 · 4 obs

○ 2015-12-06 19:19:28
● 2016-03-28 11:50:10
○ 2020-02-24 13:55:40
○ 2026-03-24 20:57:04

○A104.152.70.242015-08-06 → 2015-12-06 · 4 obs

● 2015-08-06 08:26:08
● 2015-12-06 19:19:28
○ 2016-03-28 11:50:10
○ 2026-03-24 20:57:04

●A104.21.77.1072026-03-01 → 2026-03-24 · 3 obs

○ 2020-02-24 13:55:40
● 2026-03-01 12:57:50
● 2026-03-24 20:57:04

●A172.67.207.442026-03-01 → 2026-03-24 · 3 obs

○ 2020-02-24 13:55:40
● 2026-03-01 12:57:50
● 2026-03-24 20:57:04

●A2606:4700:3030::6815:4d6b2026-03-01 → 2026-03-24 · 3 obs

○ 2020-02-24 13:55:40
● 2026-03-01 12:57:50
● 2026-03-24 20:57:04

●A2606:4700:3036::ac43:cf2c2026-03-01 → 2026-03-24 · 3 obs

○ 2020-02-24 13:55:40
● 2026-03-01 12:57:50
● 2026-03-24 20:57:04

○A64.191.166.242020-02-24 → 2020-02-24 · 4 obs

○ 2016-03-28 11:50:10
● 2020-02-24 13:55:40
○ 2026-03-01 12:57:50
○ 2026-03-24 20:57:04

○A64.191.166.292016-03-28 → 2016-03-28 · 4 obs

○ 2015-12-06 19:19:28
● 2016-03-28 11:50:10
○ 2020-02-24 13:55:40
○ 2026-03-24 20:57:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
us	b.cctld.us, x.cctld.us, k.cctld.us, m.cctld.us...	-
kcrj.us	noah.ns.cloudflare.com, serenity.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.133

NS records: noah.ns.cloudflare.com, serenity.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kcrj.us (unsigned zone)

⏱️ Timing

Total: 763ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.77.107, 172.67.207.44`
AAAA	2	`2606:4700:3030::6815:4d6b, 2606:4700:3036::ac43:cf2c`
NS	2	`noah.ns.cloudflare.com, serenity.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`noah.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

kcrj.us resolves to four IPs: 2606:4700:3030::6815:4d6b, 2606:4700:3036::ac43:cf2c, 104.21.77.107 and 172.67.207.44.

Other host names such as derinsms.com, glenlernergivesback.com, confirmebeneficio.com, googleplaywm.com and wap.megawap.ru share IP numbers with kcrj.us.

Name Servers

kcrj.us is delegated to two name servers: noah.ns.cloudflare.com and serenity.ns.cloudflare.com.

kcrj.us uses the same name server setup as other domains, including moneysouq.ae, ingenium.ca, hotelsoftennessee.com, nikillc.com and bulubluestudio.com.

At least part of the name servers for kcrj.us are shared with other domains, for instance doeda-vufn.xyz, finaki.com, longtonlegal.com.au, blazingtrack.pl and valentino.lol.

These name servers are commonly used alongside the name servers annalise.ns.cloudflare.com.

Host names with six IP numbers:

noah.ns.cloudflare.com points to: 2606:4700:58::adf5:3b85, 2803:f800:50::6ca2:c185, 2a06:98c1:50::ac40:2185, 108.162.193.133, 172.64.33.133 and 173.245.59.133.

serenity.ns.cloudflare.com points to: 2606:4700:50::a29f:266c, 2803:f800:50::6ca2:c26c, 2a06:98c1:50::ac40:226c, 108.162.194.108, 162.159.38.108 and 172.64.34.108.

kcrj.us - robtex.com

kcrj.us

us

Previously MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

`kcrj.us`

`us`