`justcbt.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:2383^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:de91^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.35.131^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.222.145^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`charles.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b53^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`charles.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c153^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`charles.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2153^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`charles.ns.cloudflare.com`
		A	108.162.193.83^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`charles.ns.cloudflare.com`
		A	172.64.33.83^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`charles.ns.cloudflare.com`
		A	173.245.59.83^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`charles.ns.cloudflare.com`
NS	`nina.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a88^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c088^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2088^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nina.ns.cloudflare.com`
		A	108.162.192.136^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nina.ns.cloudflare.com`
		A	172.64.32.136^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nina.ns.cloudflare.com`
		A	173.245.58.136^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nina.ns.cloudflare.com`
MX	`justcbt-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::2^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du2pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::5^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00205.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::8^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::6^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am4pr0401cu00106.inbound.protection.outlook.com`
		A	52.101.68.5^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-du2pr03cu00105.inbound.protection.outlook.com`
		A	52.101.73.1^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am3pr04cu00501.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
		A	52.101.73.15^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am9pr04cu00107.inbound.protection.outlook.com`
TXT	`MS=ms64746599`
TXT	`google-site-verification=o-amvgUhrntiSG8yRmLUlDAfRT53g-U_tv_-ncL5k38`
TXT	`v=spf1 include:_spf.mx.cloudflare.net include:_spf.smtp.mailtrap.live include...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.35.131, 172.67.222.145
		IPv6 hints	2606:4700:3034::6815:2383, 2606:4700:3037::ac43:de91
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=184, name=cloudflare-ech.com
SOA	`charles.ns.cloudflare.com`dns@cloudflare.com serial=2401363217

`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=1776080677

Same first word

justcbt.com.ng

justcbt.com

DNS History

18 records (7 active, 11 former)

●NScharles.ns.cloudflare.com2020-02-05 → 2026-04-13 · 2 obs

● 2020-02-05 11:11:28
● 2026-04-13 11:53:42

●NSnina.ns.cloudflare.com2020-02-05 → 2026-04-13 · 2 obs

● 2020-02-05 11:11:28
● 2026-04-13 11:53:42

○MXeforward1.registrar-servers.com2020-02-05 → 2020-02-05 · 3 obs

● 2020-02-05 11:11:28
○ 2026-04-09 21:20:10
○ 2026-04-13 11:53:42

○MXeforward2.registrar-servers.com2020-02-05 → 2020-02-05 · 3 obs

● 2020-02-05 11:11:28
○ 2026-04-09 21:20:10
○ 2026-04-13 11:53:42

○MXeforward3.registrar-servers.com2020-02-05 → 2020-02-05 · 3 obs

● 2020-02-05 11:11:28
○ 2026-04-09 21:20:10
○ 2026-04-13 11:53:42

○MXeforward4.registrar-servers.com2020-02-05 → 2020-02-05 · 3 obs

● 2020-02-05 11:11:28
○ 2026-04-09 21:20:10
○ 2026-04-13 11:53:42

○MXeforward5.registrar-servers.com2020-02-05 → 2020-02-05 · 3 obs

● 2020-02-05 11:11:28
○ 2026-04-09 21:20:10
○ 2026-04-13 11:53:42

●MXjustcbt-com.mail.protection.outlook.com2026-04-09 → 2026-04-13 · 3 obs

○ 2020-02-05 11:11:28
● 2026-04-09 21:20:10
● 2026-04-13 11:53:42

○MXmx1.privateemail.com2020-02-05 → 2020-02-05 · 3 obs

● 2020-02-05 11:11:28
○ 2026-04-09 21:20:10
○ 2026-04-13 11:53:42

○MXmx2.privateemail.com2020-02-05 → 2020-02-05 · 3 obs

● 2020-02-05 11:11:28
○ 2026-04-09 21:20:10
○ 2026-04-13 11:53:42

●A104.21.35.1312026-04-09 → 2026-04-13 · 3 obs

○ 2020-02-05 11:11:28
● 2026-04-09 21:20:10
● 2026-04-13 11:53:42

○A104.28.30.2412020-02-05 → 2020-02-05 · 3 obs

● 2020-02-05 11:11:28
○ 2026-04-09 21:20:10
○ 2026-04-13 11:53:42

○A104.28.31.2412020-02-05 → 2020-02-05 · 3 obs

● 2020-02-05 11:11:28
○ 2026-04-09 21:20:10
○ 2026-04-13 11:53:42

●A172.67.222.1452026-04-09 → 2026-04-13 · 3 obs

○ 2020-02-05 11:11:28
● 2026-04-09 21:20:10
● 2026-04-13 11:53:42

○A2606:4700:3031::681c:1ef12020-02-05 → 2020-02-05 · 3 obs

● 2020-02-05 11:11:28
○ 2026-04-09 21:20:10
○ 2026-04-13 11:53:42

○A2606:4700:3031::681c:1ff12020-02-05 → 2020-02-05 · 3 obs

● 2020-02-05 11:11:28
○ 2026-04-09 21:20:10
○ 2026-04-13 11:53:42

●A2606:4700:3034::6815:23832026-04-09 → 2026-04-13 · 3 obs

○ 2020-02-05 11:11:28
● 2026-04-09 21:20:10
● 2026-04-13 11:53:42

●A2606:4700:3037::ac43:de912026-04-09 → 2026-04-13 · 3 obs

○ 2020-02-05 11:11:28
● 2026-04-09 21:20:10
● 2026-04-13 11:53:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
justcbt.com	nina.ns.cloudflare.com, charles.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.136

NS records: nina.ns.cloudflare.com, charles.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for justcbt.com (unsigned zone)

⏱️ Timing

Total: 138ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.35.131, 172.67.222.145`
AAAA	2	`2606:4700:3034::6815:2383, 2606:4700:3037::ac43:de91`
NS	2	`charles.ns.cloudflare.com, nina.ns.cloudflare.com`
MX	1	`justcbt-com.mail.protection.outlook.com`
TXT	3	`MS=ms64746599, google-site-verification=o-amvgUhrntiSG8...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`charles.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by justcbt.com: 2606:4700:3034::6815:2383, 2606:4700:3037::ac43:de91, 104.21.35.131 and 172.67.222.145.

other host names including sowell.org, umami.omgjav.com, xemsachhay.com, dangrui.net and illusionrentals.com share IP numbers with justcbt.com.

Name Servers

justcbt.com is delegated to two name servers charles.ns.cloudflare.com and nina.ns.cloudflare.com.

justcbt.com shares the same name server setup as other domains, for instance 360house.com, 52014.net, luxuryvillarentals.com, dizali.me and sailorpiece.org.

justcbt.com at least partially shares name servers with other domains, for instance ianhood.co.uk, activequotes.net, aisincanada.com, mikagallery.co.il and ilogin.nl.

these name servers are commonly used alongside chad.ns.cloudflare.com.

Host names with six IP numbers:

Host name charles.ns.cloudflare.com points to: 2606:4700:58::adf5:3b53, 2803:f800:50::6ca2:c153, 2a06:98c1:50::ac40:2153, 108.162.193.83, 172.64.33.83 and 173.245.59.83.

Host name nina.ns.cloudflare.com points to: 2606:4700:50::adf5:3a88, 2803:f800:50::6ca2:c088, 2a06:98c1:50::ac40:2088, 108.162.192.136, 172.64.32.136 and 173.245.58.136.

Mail Servers

justcbt.com is handled by a single mail server, justcbt-com.mail.protection.outlook.com.

Host justcbt-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::2, 2a01:111:f403:ca04::5, 2a01:111:f403:ca04::8, 2a01:111:f403:ca09::6, 52.101.68.5, 52.101.73.1, 52.101.73.12 and 52.101.73.15.

justcbt.com - robtex.com

justcbt.com

com

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`justcbt.com`

`com`