course.probatemastery.com - dns.ninja

course.probatemastery.com

DNSSEC⚠️ Not signed
A2606:4700:20::681a:44e🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::681a:54e🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::ac43:44fd🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.4.78Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.5.78Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.68.253🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.26.4.78, 104.26.5.78, 172.67.68.253
IPv6 hints2606:4700:20::681a:44e, 2606:4700:20::681a:54e, 2606:4700:20::ac43:44fd

probatemastery.com

DNSSEC⚠️ Not signed
A2606:4700:20::681a:44e🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::681a:54e🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::ac43:44fd🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.4.78Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.5.78Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.68.253🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmustafa.ns.cloudflare.com ⭐
NSsofia.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
TXTgoogle-site-verification=-dbdNW-KhrdvgeV-uEc6ux8pfQTt3FP_fUG6JAKZGWg
TXTgoogle-site-verification=os0KZH8exTp38Lq8el4qDNavR4VHj0FHqXee_iCyFsM
TXTv=spf1 include:dc-aa8e722993._spfm.probatemastery.com include:_spf.google.com...
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.26.4.78, 104.26.5.78, 172.67.68.253
IPv6 hints2606:4700:20::681a:44e, 2606:4700:20::681a:54e, 2606:4700:20::ac43:44fd
SOAmustafa.ns.cloudflare.comdns@cloudflare.com serial=2410944796

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DNS History

6 records (6 active, 0 former)

A104.26.4.78104.26.5.78172.67.68.2532606:4700:20::681a:44e2606:4700:20::681a:54e2606:4700:20::ac43:44fd
●A104.26.4.782026-02-15 → 2026-08-01 · 2 obs
● 2026-02-15 08:16:22
● 2026-08-01 05:31:36
●A104.26.5.782026-02-15 → 2026-08-01 · 2 obs
● 2026-02-15 08:16:22
● 2026-08-01 05:31:36
●A172.67.68.2532026-02-15 → 2026-08-01 · 2 obs
● 2026-02-15 08:16:22
● 2026-08-01 05:31:36
●A2606:4700:20::681a:44e2026-02-15 → 2026-08-01 · 2 obs
● 2026-02-15 08:16:22
● 2026-08-01 05:31:36
●A2606:4700:20::681a:54e2026-02-15 → 2026-08-01 · 2 obs
● 2026-02-15 08:16:22
● 2026-08-01 05:31:36
●A2606:4700:20::ac43:44fd2026-02-15 → 2026-08-01 · 2 obs
● 2026-02-15 08:16:22
● 2026-08-01 05:31:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
probatemastery.comsofia.ns.cloudflare.com, mustafa.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.223

NS records: sofia.ns.cloudflare.com, mustafa.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for probatemastery.com (unsigned zone)

⏱️ Timing

Total: 185ms | Queries: -

📄 Records

TypeCountSample Data
A3104.26.5.78, 104.26.4.78...
AAAA32606:4700:20::681a:54e, 2606:4700:20::681a:44e...
HTTPS1{"priority":1,"target":".","alpn":["h2"]

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

course.probatemastery.com directs to 6 IP numbers: 104.26.4.78, 104.26.5.78, 172.67.68.253 and 3 other.

Two other host names, along with cpubenchmark.net, joyetech.co.uk and foonyew.edu.my, also share IP numbers with course.probatemastery.com.