cjohnsontech.com - dns.ninja

`cjohnsontech.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:bbcf^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:48df^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.72.223^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.187.207^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`elma.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a9a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elma.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c09a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`elma.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:209a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`elma.ns.cloudflare.com`
		A	108.162.192.154^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elma.ns.cloudflare.com`
		A	172.64.32.154^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elma.ns.cloudflare.com`
		A	173.245.58.154^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`elma.ns.cloudflare.com`
NS	`lewis.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c9f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lewis.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c39f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lewis.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:239f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lewis.ns.cloudflare.com`
		A	108.162.195.159^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lewis.ns.cloudflare.com`
		A	162.159.44.159^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lewis.ns.cloudflare.com`
		A	172.64.35.159^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lewis.ns.cloudflare.com`
MX	`cjohnsontech-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00300.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm6pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:f90d::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00301.inbound.protection.outlook.com`
		A	52.101.9.11^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr04cu00103.inbound.protection.outlook.com`
		A	52.101.11.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr0501cu00103.inbound.protection.outlook.com`
		A	52.101.41.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01406.inbound.protection.outlook.com`
		A	52.101.194.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch5pr02cu00401.inbound.protection.outlook.com`
TXT	`NETORGFT20330196.onmicrosoft.com`
TXT	`v=spf1 include:secureserver.net -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.72.223, 172.67.187.207
		IPv6 hints	2606:4700:3030::ac43:bbcf, 2606:4700:3032::6815:48df
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=148, name=cloudflare-ech.com
SOA	`elma.ns.cloudflare.com`dns@cloudflare.com serial=2411232598

`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=1785759937

Subdomains

mail.cjohnsontech.com

Same first word

cjohnsontech.com

DNS History

20 records (7 active, 13 former)

●NSelma.ns.cloudflare.com2026-05-13 → 2026-08-03 · 3 obs

○ 2026-02-15 17:42:40
● 2026-05-13 14:57:58
● 2026-08-03 12:40:00

●NSlewis.ns.cloudflare.com2026-05-13 → 2026-08-03 · 3 obs

○ 2026-02-15 17:42:40
● 2026-05-13 14:57:58
● 2026-08-03 12:40:00

○NSns1.afraid.org2015-06-02 → 2017-11-29 · 4 obs

● 2015-06-02 05:48:54
● 2017-11-29 22:41:04
○ 2026-02-15 17:42:40
○ 2026-08-03 12:40:00

○NSns2.afraid.org2015-06-02 → 2017-11-29 · 4 obs

● 2015-06-02 05:48:54
● 2017-11-29 22:41:04
○ 2026-02-15 17:42:40
○ 2026-08-03 12:40:00

○NSns3.afraid.org2015-06-02 → 2017-11-29 · 4 obs

● 2015-06-02 05:48:54
● 2017-11-29 22:41:04
○ 2026-02-15 17:42:40
○ 2026-08-03 12:40:00

○NSns4.afraid.org2015-06-02 → 2017-11-29 · 4 obs

● 2015-06-02 05:48:54
● 2017-11-29 22:41:04
○ 2026-02-15 17:42:40
○ 2026-08-03 12:40:00

○NSns53.domaincontrol.com2026-02-15 → 2026-02-15 · 4 obs

○ 2017-11-29 22:41:04
● 2026-02-15 17:42:40
○ 2026-05-13 14:57:58
○ 2026-08-03 12:40:00

○NSns54.domaincontrol.com2026-02-15 → 2026-02-15 · 4 obs

○ 2017-11-29 22:41:04
● 2026-02-15 17:42:40
○ 2026-05-13 14:57:58
○ 2026-08-03 12:40:00

●MXcjohnsontech-com.mail.protection.outlook.com2026-02-15 → 2026-08-03 · 3 obs

○ 2017-11-29 22:41:04
● 2026-02-15 17:42:40
● 2026-08-03 12:40:00

○MXmail.cjohnsontech.com2015-06-02 → 2017-11-29 · 4 obs

● 2015-06-02 05:48:54
● 2017-11-29 22:41:04
○ 2026-02-15 17:42:40
○ 2026-08-03 12:40:00

●A104.21.72.2232026-05-13 → 2026-08-03 · 3 obs

○ 2026-02-15 17:42:40
● 2026-05-13 14:57:58
● 2026-08-03 12:40:00

●A172.67.187.2072026-05-13 → 2026-08-03 · 3 obs

○ 2026-02-15 17:42:40
● 2026-05-13 14:57:58
● 2026-08-03 12:40:00

○A173.196.52.982015-06-02 → 2016-12-21 · 4 obs

● 2015-06-02 05:48:54
● 2016-12-21 20:41:12
○ 2017-11-29 22:41:04
○ 2026-08-03 12:40:00

○A192.124.249.92026-02-15 → 2026-02-15 · 4 obs

○ 2017-11-29 22:41:04
● 2026-02-15 17:42:40
○ 2026-05-13 14:57:58
○ 2026-08-03 12:40:00

●A2606:4700:3030::ac43:bbcf2026-07-20 → 2026-08-03 · 3 obs

○ 2026-06-04 08:59:42
● 2026-07-20 22:55:16
● 2026-08-03 12:40:00

●A2606:4700:3032::6815:48df2026-07-20 → 2026-08-03 · 3 obs

○ 2026-06-04 08:59:42
● 2026-07-20 22:55:16
● 2026-08-03 12:40:00

○A2606:4700:3035::6815:48df2026-05-13 → 2026-06-04 · 5 obs

○ 2026-02-15 17:42:40
● 2026-05-13 14:57:58
● 2026-06-04 08:59:42
○ 2026-07-20 22:55:16
○ 2026-08-03 12:40:00

○A2606:4700:3037::ac43:bbcf2026-05-13 → 2026-06-04 · 5 obs

○ 2026-02-15 17:42:40
● 2026-05-13 14:57:58
● 2026-06-04 08:59:42
○ 2026-07-20 22:55:16
○ 2026-08-03 12:40:00

○A68.99.94.712026-02-15 → 2026-08-03 · 2 obs

○ 2026-02-15 17:42:40
○ 2026-08-03 12:40:00

○A74.62.223.1382017-11-29 → 2017-11-29 · 4 obs

○ 2016-12-21 20:41:12
● 2017-11-29 22:41:04
○ 2026-02-15 17:42:40
○ 2026-08-03 12:40:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net...	-
cjohnsontech.com	elma.ns.cloudflare.com, lewis.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.159

NS records: elma.ns.cloudflare.com, lewis.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cjohnsontech.com (unsigned zone)

⏱️ Timing

Total: 182ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.72.223, 172.67.187.207`
AAAA	2	`2606:4700:3032::6815:48df, 2606:4700:3030::ac43:bbcf`
NS	2	`elma.ns.cloudflare.com, lewis.ns.cloudflare.com`
MX	1	`cjohnsontech-com.mail.protection.outlook`
TXT	2	`NETORGFT20330196.onmicrosoft.com, v=spf1 include:secureserver.net -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`elma.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

cjohnsontech.com is a parent domain of mail.cjohnsontech.com.

IP Addresses

cjohnsontech.com has four IP addresses: 104.21.72.223, 172.67.187.207, 2606:4700:3030::ac43:bbcf and 2606:4700:3032::6815:48df.

Among the host names that share IP numbers with cjohnsontech.com are hullalumni.org, viewlifeblog.nl, vebo5.com and two others.

Name Servers

cjohnsontech.com uses two name servers for its delegation: elma.ns.cloudflare.com and lewis.ns.cloudflare.com.

cjohnsontech.com has the same name server delegation as a number of other domains, such as imapa.com.bo, steam-bright.net, servimaster.com.bo and two more.

cjohnsontech.com shares at least some of its name servers with other domains, including lexnow.io, nodebtpro.com, ipcpassos.com.br and two others.

These name servers are frequently paired with the name servers leland.ns.cloudflare.com and ken.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname elma.ns.cloudflare.com directs to 108.162.192.154, 172.64.32.154 and 173.245.58.154 along with 3 other IP addresses.

Hostname lewis.ns.cloudflare.com directs to 108.162.195.159, 162.159.44.159 and 172.64.35.159 along with 3 other IP addresses.

Mail Servers

cjohnsontech.com routes its mail through a single mail server, cjohnsontech-com.mail.protection.outlook.com.

cjohnsontech-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.9.11, 52.101.11.3 and 52.101.41.6, along with 5 other.