lessons.guru - robtex.com

lessons.guru

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:3a55🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:9e63🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.58.85Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.158.99🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjustin.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bbb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjustin.ns.cloudflare.com
A2803:f800:50::6ca2:c1bb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjustin.ns.cloudflare.com
A2a06:98c1:50::ac40:21bb🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjustin.ns.cloudflare.com
A108.162.193.187🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjustin.ns.cloudflare.com
A172.64.33.187🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjustin.ns.cloudflare.com
A173.245.59.187🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjustin.ns.cloudflare.com
NSleah.ns.cloudflare.com
A2606:4700:50::adf5:3a81🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleah.ns.cloudflare.com
A2803:f800:50::6ca2:c081🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRleah.ns.cloudflare.com
A2a06:98c1:50::ac40:2081🇺🇸 Cloudflare2a06:98c1:50::/45
PTRleah.ns.cloudflare.com
A108.162.192.129🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleah.ns.cloudflare.com
A172.64.32.129🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleah.ns.cloudflare.com
A173.245.58.129🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRleah.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.58.85, 172.67.158.99
IPv6 hints2606:4700:3031::6815:3a55, 2606:4700:3032::ac43:9e63
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=213, name=cloudflare-ech.com
SOAjustin.ns.cloudflare.comdns@cloudflare.com serial=2407708337

guru

DNSSEC🔒 Signed (DS record present)
NSv0n0.nic.guru ⭐
NSv0n1.nic.guru
NSv0n2.nic.guru
NSv0n3.nic.guru
NSv2n0.nic.guru
NSv2n1.nic.guru
SOAv0n0.nic.guruhostmaster@donuts.email serial=1784911669

Same first word

lessons.com.au
lessons.lt
lessons.us
lessons.uk
lessons.cc
lessons.eu
lessons.tv
lessons.be
lessons.digital
lessons.courses
lessons.com
lessons.co.za
lessons.co
lessons.trade
lessons.es
lessons.kz
lessons.me
lessons.ph
lessons.guru
lessons.life
lessons.ie
lessons.info
lessons.cn
lessons.church
lessons.it.com
lessons.com.ua
lessons.world
lessons.su
lessons.com.sg
lessons.at
lessons.bargains
lessons.fr
lessons.de
lessons.photography
lessons.com.cn
lessons.careers
lessons.limited
lessons.dk
lessons.it
lessons.biz
lessons.ru

Similar names

solsnes.no
olssens.com
lessosn.ph
elssons.com
slesson.com
snossel.com
solness.com
lessson.com

DNS History

11 records (6 active, 5 former)

2017201820192020202120222023202420252026NSjustin.ns.cloudflare.comleah.ns.cloudflare.comns55.domaincontrol.comns56.domaincontrol.comMXmailstore1.secureserver.netsmtp.secureserver.netA104.21.58.85172.67.158.992606:4700:3031::6815:3a552606:4700:3032::ac43:9e6350.63.202.57
●NSjustin.ns.cloudflare.com2026-07-13 → 2026-07-24 · 3 obs
○ 2026-06-14 14:02:28
● 2026-07-13 11:08:22
● 2026-07-24 17:08:10
●NSleah.ns.cloudflare.com2026-07-13 → 2026-07-24 · 3 obs
○ 2026-06-14 14:02:28
● 2026-07-13 11:08:22
● 2026-07-24 17:08:10
○NSns55.domaincontrol.com2016-12-11 → 2016-12-11 · 3 obs
● 2016-12-11 00:12:48
○ 2026-06-14 14:02:28
○ 2026-07-24 17:08:10
○NSns56.domaincontrol.com2016-12-11 → 2016-12-11 · 3 obs
● 2016-12-11 00:12:48
○ 2026-06-14 14:02:28
○ 2026-07-24 17:08:10
○MXmailstore1.secureserver.net2016-12-11 → 2016-12-11 · 3 obs
● 2016-12-11 00:12:48
○ 2026-06-14 14:02:28
○ 2026-07-24 17:08:10
○MXsmtp.secureserver.net2016-12-11 → 2016-12-11 · 3 obs
● 2016-12-11 00:12:48
○ 2026-06-14 14:02:28
○ 2026-07-24 17:08:10
●A104.21.58.852026-07-13 → 2026-07-24 · 3 obs
○ 2026-06-14 14:02:28
● 2026-07-13 11:08:22
● 2026-07-24 17:08:10
●A172.67.158.992026-07-13 → 2026-07-24 · 3 obs
○ 2026-06-14 14:02:28
● 2026-07-13 11:08:22
● 2026-07-24 17:08:10
●A2606:4700:3031::6815:3a552026-07-13 → 2026-07-24 · 3 obs
○ 2026-06-14 14:02:28
● 2026-07-13 11:08:22
● 2026-07-24 17:08:10
●A2606:4700:3032::ac43:9e632026-07-13 → 2026-07-24 · 3 obs
○ 2026-06-14 14:02:28
● 2026-07-13 11:08:22
● 2026-07-24 17:08:10
○A50.63.202.572016-12-11 → 2016-12-11 · 3 obs
● 2016-12-11 00:12:48
○ 2026-06-14 14:02:28
○ 2026-07-24 17:08:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
guruv0n0.nic.guru, v0n1.nic.guru, v0n2.nic.guru, v0n3.nic.guru...12 records
lessons.gurujustin.ns.cloudflare.com, leah.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.187

NS records: justin.ns.cloudflare.com, leah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lessons.guru (unsigned zone)

⏱️ Timing

Total: 485ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.158.99, 104.21.58.85
AAAA22606:4700:3031::6815:3a55, 2606:4700:3032::ac43:9e63
NS2justin.ns.cloudflare.com, leah.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1justin.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (v0n0.nic.guru, v0n1.nic.guru, v0n2.nic.guru...)

Analysis

IP Addresses

lessons.guru directs to four IP numbers, which are 104.21.58.85, 172.67.158.99, 2606:4700:3031::6815:3a55 and 2606:4700:3032::ac43:9e63.

Among the host names that share IP numbers with lessons.guru are iptvteste.tv, 11ltn.store, zaniob.top and two others.

Name Servers

lessons.guru uses two name servers for its delegation: justin.ns.cloudflare.com and leah.ns.cloudflare.com.

lessons.guru has the same name server delegation as a number of other domains, such as stocktradingsystem.com, jdhlifestyle.co.uk, franklinedu.org and two more.

At least some of lessons.guru's name servers are shared with other domains, for example sharecare.ai, palmiyemantarsoba.com, levranda.sbs and two more.

These name servers tend to be deployed in combination with the name servers mark.ns.cloudflare.com and jocelyn.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname justin.ns.cloudflare.com directs to 108.162.193.187, 172.64.33.187 and 173.245.59.187 along with 3 other IP addresses.

Hostname leah.ns.cloudflare.com directs to 108.162.192.129, 172.64.32.129 and 173.245.58.129 along with 3 other IP addresses.