www.lucknowstudy.com - robtex.com

www.lucknowstudy.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:1476🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:c09d🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.20.118Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.192.157🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.20.118, 172.67.192.157
IPv6 hints2606:4700:3031::6815:1476, 2606:4700:3035::ac43:c09d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=34, name=cloudflare-ech.com

lucknowstudy.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:1476🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:c09d🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.20.118Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.192.157🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjosh.ns.cloudflare.com ⭐
NSsima.ns.cloudflare.com
TXTgoogle-site-verification=-TbqtytcS2cK8rafHo24YCPe3qxbDs-AOjTGVwPzTVE
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.20.118, 172.67.192.157
IPv6 hints2606:4700:3031::6815:1476, 2606:4700:3035::ac43:c09d
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=34, name=cloudflare-ech.com
SOAjosh.ns.cloudflare.comdns@cloudflare.com serial=2403877674

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DNS History

9 records (4 active, 5 former)

202120222023202420252026A104.21.20.118172.67.192.1572606:4700:3031::6815:14762606:4700:3035::ac43:c09d188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::CNAMElucknowstudy.com
●A104.21.20.1182026-04-29 → 2026-05-13 · 3 obs
○ 2026-03-16 01:54:46
● 2026-04-29 09:02:44
● 2026-05-13 23:59:24
●A172.67.192.1572026-04-29 → 2026-05-13 · 3 obs
○ 2026-03-16 01:54:46
● 2026-04-29 09:02:44
● 2026-05-13 23:59:24
○A188.114.96.02026-03-16 → 2026-03-16 · 3 obs
● 2026-03-16 01:54:46
○ 2026-04-29 09:02:44
○ 2026-05-13 23:59:24
○A188.114.97.02026-03-16 → 2026-03-16 · 3 obs
● 2026-03-16 01:54:46
○ 2026-04-29 09:02:44
○ 2026-05-13 23:59:24
●A2606:4700:3031::6815:14762026-04-29 → 2026-05-13 · 3 obs
○ 2026-03-16 01:54:46
● 2026-04-29 09:02:44
● 2026-05-13 23:59:24
●A2606:4700:3035::ac43:c09d2026-04-29 → 2026-05-13 · 3 obs
○ 2026-03-16 01:54:46
● 2026-04-29 09:02:44
● 2026-05-13 23:59:24
○A2a06:98c1:3120::2026-03-16 → 2026-03-16 · 3 obs
● 2026-03-16 01:54:46
○ 2026-04-29 09:02:44
○ 2026-05-13 23:59:24
○A2a06:98c1:3121::2026-03-16 → 2026-03-16 · 3 obs
● 2026-03-16 01:54:46
○ 2026-04-29 09:02:44
○ 2026-05-13 23:59:24
○CNAMElucknowstudy.com2020-04-14 → 2020-04-14 · 3 obs
● 2020-04-14 11:09:24
○ 2026-03-16 01:54:46
○ 2026-05-13 23:59:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
lucknowstudy.comjosh.ns.cloudflare.com, sima.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.222

NS records: josh.ns.cloudflare.com, sima.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lucknowstudy.com (unsigned zone)

⏱️ Timing

Total: 387ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.192.157, 104.21.20.118
AAAA22606:4700:3035::ac43:c09d, 2606:4700:3031::6815:1476
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

www.lucknowstudy.com maps to four IP numbers: 2606:4700:3031::6815:1476, 2606:4700:3035::ac43:c09d, 104.21.20.118 and 172.67.192.157.

Other host names, for instance 195338n728129.oqi3sdwtt7.cyou, tubepla.net, goldentiger-canada.com, evertech.com.ar and www.elb.com share IP numbers with www.lucknowstudy.com.