`kbstudio.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:c860^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:d8b^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.13.139^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.200.96^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`leonidas.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c65^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leonidas.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c365^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`leonidas.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2365^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`leonidas.ns.cloudflare.com`
		A	108.162.195.101^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leonidas.ns.cloudflare.com`
		A	162.159.44.101^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leonidas.ns.cloudflare.com`
		A	172.64.35.101^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leonidas.ns.cloudflare.com`
NS	`shaz.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shaz.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`shaz.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`shaz.ns.cloudflare.com`
		A	108.162.194.249^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shaz.ns.cloudflare.com`
		A	162.159.38.249^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shaz.ns.cloudflare.com`
		A	172.64.34.249^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shaz.ns.cloudflare.com`
MX	`mx1.improvmx.com` ⭐
		A	2a05:d012:412:e201:88aa:e7b9:7a43:12d7^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:f36:2c1f:1a49:d38a^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:373a:f51a:4a85:1d25^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.37.195.136^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-37-195-136.eu-west-3.compute.amazonaws.com`
		A	15.236.236.160^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-236-160.eu-west-3.compute.amazonaws.com`
		A	35.181.18.45^{🇫🇷 Amazon35.181.0.0/16 EC2 CDG prefix}
			PTR	`ec2-35-181-18-45.eu-west-3.compute.amazonaws.com`
MX	`mx2.improvmx.com`⁽²⁰⁾
		A	2a05:d012:412:e201:1f6e:f6e4:8fd7:4678^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e202:e81e:cc44:3b53:8a3d^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	2a05:d012:412:e203:7e33:3d9c:28d7:ee20^{🇫🇷 Amazon2a05:d012:400::/38 AMAZON AWS}
		A	13.36.107.63^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-107-63.eu-west-3.compute.amazonaws.com`
		A	13.36.222.39^{🇫🇷 Amazon13.36.0.0/14 EC2 CDG Prefix}
			PTR	`ec2-13-36-222-39.eu-west-3.compute.amazonaws.com`
		A	15.236.61.92^{🇫🇷 Amazon15.236.0.0/15 EC2 CDG prefix}
			PTR	`ec2-15-236-61-92.eu-west-3.compute.amazonaws.com`
TXT	`apple-domain-verification=KQvdeHNJOlt1kR5XIjteWfGMB6v6y8yj0qLKm1e8F30`
TXT	`google-site-verification=szqLJa98Y3QJ77_oRABtFN_i4ln1zFmvm3KCjrh16gE`
TXT	`v=spf1 include:spf.improvmx.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.13.139, 172.67.200.96
		IPv6 hints	2606:4700:3031::ac43:c860, 2606:4700:3037::6815:d8b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=95, name=cloudflare-ech.com
SOA	`leonidas.ns.cloudflare.com`dns@cloudflare.com serial=2400594621

`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=1776013395

Previously MX for

kbstudio.org

Same first word

kbstudio.in

kbstudio.org

kbstudio.work

Similar names

studiokb.com

kudobits.com

studiokb.net

bkstudio.ru

studiokb.me

bkstudio.nyc

bkstudio.sk

bkstudio.hu

DNS History

16 records (8 active, 8 former)

●NSleonidas.ns.cloudflare.com2026-03-26 → 2026-04-12 · 3 obs

○ 2019-12-30 09:21:16
● 2026-03-26 23:07:18
● 2026-04-12 17:35:16

○NSns1.mediatemple.net2015-08-09 → 2017-02-13 · 4 obs

● 2015-08-09 08:17:40
● 2017-02-13 20:41:10
○ 2019-12-30 09:21:16
○ 2026-04-12 17:35:16

○NSns1.us127.siteground.us2019-12-30 → 2019-12-30 · 4 obs

○ 2017-02-13 20:41:10
● 2019-12-30 09:21:16
○ 2026-03-26 23:07:18
○ 2026-04-12 17:35:16

○NSns2.mediatemple.net2015-08-09 → 2017-02-13 · 4 obs

● 2015-08-09 08:17:40
● 2017-02-13 20:41:10
○ 2019-12-30 09:21:16
○ 2026-04-12 17:35:16

○NSns2.us127.siteground.us2019-12-30 → 2019-12-30 · 4 obs

○ 2017-02-13 20:41:10
● 2019-12-30 09:21:16
○ 2026-03-26 23:07:18
○ 2026-04-12 17:35:16

●NSshaz.ns.cloudflare.com2026-03-26 → 2026-04-12 · 3 obs

○ 2019-12-30 09:21:16
● 2026-03-26 23:07:18
● 2026-04-12 17:35:16

○MXkbstudio.org2019-12-30 → 2019-12-30 · 4 obs

○ 2017-02-13 20:41:10
● 2019-12-30 09:21:16
○ 2026-03-26 23:07:18
○ 2026-04-12 17:35:16

○MXmail.kbstudio.org2015-08-09 → 2017-02-13 · 4 obs

● 2015-08-09 08:17:40
● 2017-02-13 20:41:10
○ 2019-12-30 09:21:16
○ 2026-04-12 17:35:16

●MXmx1.improvmx.com2026-03-26 → 2026-04-12 · 3 obs

○ 2019-12-30 09:21:16
● 2026-03-26 23:07:18
● 2026-04-12 17:35:16

●MXmx2.improvmx.com2026-03-26 → 2026-04-12 · 3 obs

○ 2019-12-30 09:21:16
● 2026-03-26 23:07:18
● 2026-04-12 17:35:16

●A104.21.13.1392026-03-26 → 2026-04-12 · 3 obs

○ 2019-12-30 09:21:16
● 2026-03-26 23:07:18
● 2026-04-12 17:35:16

●A172.67.200.962026-03-26 → 2026-04-12 · 3 obs

○ 2019-12-30 09:21:16
● 2026-03-26 23:07:18
● 2026-04-12 17:35:16

●A2606:4700:3031::ac43:c8602026-03-26 → 2026-04-12 · 3 obs

○ 2019-12-30 09:21:16
● 2026-03-26 23:07:18
● 2026-04-12 17:35:16

●A2606:4700:3037::6815:d8b2026-03-26 → 2026-04-12 · 3 obs

○ 2019-12-30 09:21:16
● 2026-03-26 23:07:18
● 2026-04-12 17:35:16

○A37.60.249.832019-12-30 → 2019-12-30 · 4 obs

○ 2017-02-13 20:41:10
● 2019-12-30 09:21:16
○ 2026-03-26 23:07:18
○ 2026-04-12 17:35:16

○A72.47.244.982015-08-09 → 2017-02-13 · 4 obs

● 2015-08-09 08:17:40
● 2017-02-13 20:41:10
○ 2019-12-30 09:21:16
○ 2026-04-12 17:35:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
kbstudio.org	leonidas.ns.cloudflare.com, shaz.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.249

NS records: leonidas.ns.cloudflare.com, shaz.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kbstudio.org (unsigned zone)

⏱️ Timing

Total: 426ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.13.139, 172.67.200.96`
AAAA	2	`2606:4700:3031::ac43:c860, 2606:4700:3037::6815:d8b`
NS	2	`leonidas.ns.cloudflare.com, shaz.ns.cloudflare.com`
MX	2	`mx1.improvmx.com (pri: 10), mx2.improvmx.com (pri: 20)`
TXT	3	`apple-domain-verification=KQvdeHNJOlt1kR, google-site-verification=szqLJa98Y3QJ77_...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`leonidas.ns.cloudflare.com dns.cloudflar`

Analysis

IP Addresses

kbstudio.org points to four IP numbers: 2606:4700:3031::ac43:c860, 2606:4700:3037::6815:d8b, 104.21.13.139 and 172.67.200.96.

For instance, other host names xuexws.com, sci-hub.tf, claim-quick.com, datoo.co.uk and www.xuexws.com share IP numbers with kbstudio.org.

Name Servers

kbstudio.org is delegated to two name servers: leonidas.ns.cloudflare.com and shaz.ns.cloudflare.com.

kbstudio.org uses the same name server setup as other domains such as macros.su, ypfinvestmotioncontrol.xyz, myafc.org, pemexinvestsafety.xyz and pemexvehicle.xyz.

kbstudio.org shares name servers with other domains at least partially, for example thalorivexuma.com, sorapics.com, nowsari.com, jobyourlife.com and 900txx.com.

These name servers are commonly used with tadeo.ns.cloudflare.com.

Host names with six IP numbers: host name leonidas.ns.cloudflare.com points to: 2606:4700:58::a29f:2c65, 2803:f800:50::6ca2:c365, 2a06:98c1:50::ac40:2365, 108.162.195.101, 162.159.44.101 and 172.64.35.101; host name shaz.ns.cloudflare.com points to: 2606:4700:50::a29f:26f9, 2803:f800:50::6ca2:c2f9, 2a06:98c1:50::ac40:22f9, 108.162.194.249, 162.159.38.249 and 172.64.34.249.

Mail Servers

Two mail servers mx1.improvmx.com and mx2.improvmx.com handle kbstudio.org.

kbstudio.org shares the same mail server setup as other domains, for instance intelligentenglish.com, dgrm.net, stylearena.com, winkelfolders.be and imlek.com.

kbstudio.org shares some mail servers with other domains, including alexbmann.com, cyclingtr.com, sub-seven.cc and palthings.com.

Host names with six IP numbers: host name mx1.improvmx.com points to: 2a05:d012:412:e201:88aa:e7b9:7a43:12d7, 2a05:d012:412:e202:f36:2c1f:1a49:d38a, 2a05:d012:412:e203:373a:f51a:4a85:1d25, 13.37.195.136, 15.236.236.160 and 35.181.18.45; host name mx2.improvmx.com points to: 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678, 2a05:d012:412:e202:e81e:cc44:3b53:8a3d, 2a05:d012:412:e203:7e33:3d9c:28d7:ee20, 13.36.107.63, 13.36.222.39 and 15.236.61.92.

kbstudio.org - robtex.com

kbstudio.org

org

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

Mail Servers

`kbstudio.org`

`org`