mail.cjohnsontech.com - dns.ninja

mail.cjohnsontech.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:bbcf🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:48df🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.72.223Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.187.207🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.72.223, 172.67.187.207
IPv6 hints2606:4700:3030::ac43:bbcf, 2606:4700:3032::6815:48df
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=85, name=cloudflare-ech.com

cjohnsontech.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:bbcf🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::6815:48df🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.72.223Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.187.207🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSelma.ns.cloudflare.com ⭐
NSlewis.ns.cloudflare.com
MXcjohnsontech-com.mail.protection.outlook.com ⭐
TXTNETORGFT20330196.onmicrosoft.com
TXTv=spf1 include:secureserver.net -all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.72.223, 172.67.187.207
IPv6 hints2606:4700:3030::ac43:bbcf, 2606:4700:3032::6815:48df
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=85, name=cloudflare-ech.com
SOAelma.ns.cloudflare.comdns@cloudflare.com serial=2411232598

Previously MX for

cjohnsontech.com

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DNS History

9 records (4 active, 5 former)

20162017201820192020202120222023202420252026A104.21.72.223172.67.187.2072606:4700:3030::ac43:bbcf2606:4700:3032::6815:48df132.148.179.4173.196.52.982606:4700:3035::6815:48df2606:4700:3037::ac43:bbcf68.99.94.71
●A104.21.72.2232026-05-29 → 2026-08-03 · 3 obs
○ 2026-02-15 23:17:48
● 2026-05-29 16:26:14
● 2026-08-03 21:32:56
○A132.148.179.42026-02-15 → 2026-02-15 · 5 obs
○ 2016-12-21 20:41:12
● 2026-02-15 17:42:40
● 2026-02-15 23:17:48
○ 2026-05-29 16:26:14
○ 2026-08-03 21:32:56
●A172.67.187.2072026-05-29 → 2026-08-03 · 3 obs
○ 2026-02-15 23:17:48
● 2026-05-29 16:26:14
● 2026-08-03 21:32:56
○A173.196.52.982015-06-24 → 2016-12-21 · 4 obs
● 2015-06-24 17:14:08
● 2016-12-21 20:41:12
○ 2026-02-15 17:42:40
○ 2026-08-03 21:32:56
●A2606:4700:3030::ac43:bbcf2026-07-20 → 2026-08-03 · 3 obs
○ 2026-05-29 16:26:14
● 2026-07-20 22:55:16
● 2026-08-03 21:32:56
●A2606:4700:3032::6815:48df2026-07-20 → 2026-08-03 · 3 obs
○ 2026-05-29 16:26:14
● 2026-07-20 22:55:16
● 2026-08-03 21:32:56
○A2606:4700:3035::6815:48df2026-05-29 → 2026-05-29 · 4 obs
○ 2026-02-15 23:17:48
● 2026-05-29 16:26:14
○ 2026-07-20 22:55:16
○ 2026-08-03 21:32:56
○A2606:4700:3037::ac43:bbcf2026-05-29 → 2026-05-29 · 4 obs
○ 2026-02-15 23:17:48
● 2026-05-29 16:26:14
○ 2026-07-20 22:55:16
○ 2026-08-03 21:32:56
○A68.99.94.712026-02-15 → 2026-08-03 · 2 obs
○ 2026-02-15 17:42:40
○ 2026-08-03 21:32:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
cjohnsontech.comelma.ns.cloudflare.com, lewis.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.154

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: 164ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.72.223, 172.67.187.207
AAAA22606:4700:3032::6815:48df, 2606:4700:3030::ac43:bbcf
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

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

Additional host names — webascender.com, motorsport4u.com.cdn.cloudflare.net, koratys.net and two others — share IP numbers with mail.cjohnsontech.com.