tutorialmastery.com - robtex.com

tutorialmastery.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:3953🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3030::ac43:a18f🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.57.83Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.161.143🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScarlos.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c70🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcarlos.ns.cloudflare.com
A2803:f800:50::6ca2:c370🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcarlos.ns.cloudflare.com
A2a06:98c1:50::ac40:2370🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcarlos.ns.cloudflare.com
A108.162.195.112🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcarlos.ns.cloudflare.com
A162.159.44.112Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcarlos.ns.cloudflare.com
A172.64.35.112🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcarlos.ns.cloudflare.com
NSgigi.ns.cloudflare.com
A2606:4700:50::a29f:260c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgigi.ns.cloudflare.com
A2803:f800:50::6ca2:c20c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRgigi.ns.cloudflare.com
A2a06:98c1:50::ac40:220c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRgigi.ns.cloudflare.com
A108.162.194.12🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgigi.ns.cloudflare.com
A162.159.38.12Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgigi.ns.cloudflare.com
A172.64.34.12🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRgigi.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.57.83, 172.67.161.143
IPv6 hints2606:4700:3030::6815:3953, 2606:4700:3030::ac43:a18f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=79, name=cloudflare-ech.com
SOAcarlos.ns.cloudflare.comdns@cloudflare.com serial=2407347387

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1783824752

Same first word

tutorialmastery.com

DNS History

18 records (6 active, 12 former)

20192020202120222023202420252026NScarlos.ns.cloudflare.comgigi.ns.cloudflare.comns1.dewaweb.comns2.dewaweb.comns3.dewaweb.comns33.domaincontrol.comns34.domaincontrol.comMXmx1.dewaspamguard.commx2.dewaspamguard.comA104.21.57.83172.67.161.1432606:4700:3030::6815:39532606:4700:3030::ac43:a18f15.197.148.33203.114.72.2142606:4700:3031::6815:39532606:4700:3031::ac43:a18f3.33.130.190
●NScarlos.ns.cloudflare.com2026-03-22 → 2026-07-12 · 3 obs
○ 2018-05-10 15:02:30
● 2026-03-22 17:58:24
● 2026-07-12 03:06:18
●NSgigi.ns.cloudflare.com2026-03-22 → 2026-07-12 · 3 obs
○ 2018-05-10 15:02:30
● 2026-03-22 17:58:24
● 2026-07-12 03:06:18
○NSns1.dewaweb.com2018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 15:02:30
○ 2026-03-22 17:58:24
○ 2026-07-12 03:06:18
○NSns2.dewaweb.com2018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 15:02:30
○ 2026-03-22 17:58:24
○ 2026-07-12 03:06:18
○NSns3.dewaweb.com2018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 15:02:30
○ 2026-03-22 17:58:24
○ 2026-07-12 03:06:18
○NSns33.domaincontrol.com2026-03-22 → 2026-07-12 · 2 obs
○ 2026-03-22 17:58:24
○ 2026-07-12 03:06:18
○NSns34.domaincontrol.com2026-03-22 → 2026-07-12 · 2 obs
○ 2026-03-22 17:58:24
○ 2026-07-12 03:06:18
○MXmx1.dewaspamguard.com2018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 15:02:30
○ 2026-03-22 17:58:24
○ 2026-07-12 03:06:18
○MXmx2.dewaspamguard.com2018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 15:02:30
○ 2026-03-22 17:58:24
○ 2026-07-12 03:06:18
●A104.21.57.832026-03-22 → 2026-07-12 · 3 obs
○ 2018-05-10 15:02:30
● 2026-03-22 17:58:24
● 2026-07-12 03:06:18
○A15.197.148.332026-03-22 → 2026-07-12 · 2 obs
○ 2026-03-22 17:58:24
○ 2026-07-12 03:06:18
●A172.67.161.1432026-03-22 → 2026-07-12 · 3 obs
○ 2018-05-10 15:02:30
● 2026-03-22 17:58:24
● 2026-07-12 03:06:18
○A203.114.72.2142018-05-10 → 2018-05-10 · 3 obs
● 2018-05-10 15:02:30
○ 2026-03-22 17:58:24
○ 2026-07-12 03:06:18
●A2606:4700:3030::6815:39532026-07-12 → 2026-07-12 · 2 obs
○ 2026-06-14 23:22:14
● 2026-07-12 03:06:18
●A2606:4700:3030::ac43:a18f2026-07-12 → 2026-07-12 · 2 obs
○ 2026-06-14 23:22:14
● 2026-07-12 03:06:18
○A2606:4700:3031::6815:39532026-03-22 → 2026-06-14 · 4 obs
○ 2018-05-10 15:02:30
● 2026-03-22 17:58:24
● 2026-06-14 23:22:14
○ 2026-07-12 03:06:18
○A2606:4700:3031::ac43:a18f2026-03-22 → 2026-06-14 · 4 obs
○ 2018-05-10 15:02:30
● 2026-03-22 17:58:24
● 2026-06-14 23:22:14
○ 2026-07-12 03:06:18
○A3.33.130.1902026-03-22 → 2026-07-12 · 2 obs
○ 2026-03-22 17:58:24
○ 2026-07-12 03:06:18

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
tutorialmastery.comgigi.ns.cloudflare.com, carlos.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.194.12

NS records: gigi.ns.cloudflare.com, carlos.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tutorialmastery.com (unsigned zone)

⏱️ Timing

Total: 162ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.57.83, 172.67.161.143
AAAA22606:4700:3030::6815:3953, 2606:4700:3030::ac43:a18f
NS2carlos.ns.cloudflare.com, gigi.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1carlos.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

tutorialmastery.com points to the four IP addresses 104.21.57.83, 172.67.161.143, 2606:4700:3030::6815:3953 and 2606:4700:3030::ac43:a18f.

ggg530.com, 68quka.com, nthzine.com plus two other host names have IP numbers in common with tutorialmastery.com.

Name Servers

tutorialmastery.com is served by two delegated name servers, carlos.ns.cloudflare.com and gigi.ns.cloudflare.com.

The name server configuration of tutorialmastery.com is shared with other domains, for instance goldensotka.com.ua, verdineloronline.com, ibo.com.ua and two others.

The name servers of tutorialmastery.com overlap at least partially with those of other domains — among them mfex.fi, ul-institute.org, instanceit.com and two more.

The name servers bob.ns.cloudflare.com, ulla.ns.cloudflare.com and danica.ns.cloudflare.com are commonly seen alongside these name servers.

Hosts with 6 IP addresses each:

carlos.ns.cloudflare.com carries IP addresses 108.162.195.112, 162.159.44.112 and 172.64.35.112, with 3 other addresses beyond those.

gigi.ns.cloudflare.com carries IP addresses 108.162.194.12, 162.159.38.12 and 172.64.34.12, with 3 other addresses beyond those.