www.dotnetstudy.com - robtex.com

www.dotnetstudy.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:52b🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:84f3🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.5.43Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.132.243🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.5.43, 172.67.132.243
IPv6 hints2606:4700:3031::6815:52b, 2606:4700:3034::ac43:84f3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=93, name=cloudflare-ech.com

dotnetstudy.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:52b🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::ac43:84f3🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.5.43Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.132.243🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScloe.ns.cloudflare.com ⭐
NSrick.ns.cloudflare.com
MXroute2.mx.cloudflare.net ⭐
MXroute1.mx.cloudflare.net(23)
MXroute3.mx.cloudflare.net(100)
TXTgoogle-site-verification=jE5DlUHLsKoPtQ42DBMZlQ6poBJUdEW8Xn_VlTw1QI4
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.5.43, 172.67.132.243
IPv6 hints2606:4700:3031::6815:52b, 2606:4700:3034::ac43:84f3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=93, name=cloudflare-ech.com
SOAcloe.ns.cloudflare.comdns@cloudflare.com serial=2399572232

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DNS History

5 records (4 active, 1 former)

20192020202120222023202420252026A104.21.5.43172.67.132.2432606:4700:3031::6815:52b2606:4700:3034::ac43:84f3CNAMEdotnetstudy.com
●A104.21.5.432026-03-18 → 2026-04-24 · 2 obs
● 2026-03-18 12:56:32
● 2026-04-24 04:35:20
●A172.67.132.2432026-03-18 → 2026-04-24 · 2 obs
● 2026-03-18 12:56:32
● 2026-04-24 04:35:20
●A2606:4700:3031::6815:52b2026-03-18 → 2026-04-24 · 2 obs
● 2026-03-18 12:56:32
● 2026-04-24 04:35:20
●A2606:4700:3034::ac43:84f32026-03-18 → 2026-04-24 · 2 obs
● 2026-03-18 12:56:32
● 2026-04-24 04:35:20
○CNAMEdotnetstudy.com2018-05-09 → 2018-05-09 · 3 obs
● 2018-05-09 11:23:44
○ 2026-03-18 12:56:32
○ 2026-04-24 04:35:20

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
dotnetstudy.comrick.ns.cloudflare.com, cloe.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.139

NS records: rick.ns.cloudflare.com, cloe.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dotnetstudy.com (unsigned zone)

⏱️ Timing

Total: 109ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.132.243, 104.21.5.43
AAAA22606:4700:3031::6815:52b, 2606:4700:3034::ac43:84f3
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

www.dotnetstudy.com resolves to four IP numbers: 2606:4700:3031::6815:52b, 2606:4700:3034::ac43:84f3, 104.21.5.43 and 172.67.132.243.

Other host names such as dgo.org, cbddecor.com, bts.technology, piutegrid.click and cultivart.ca share IPs with www.dotnetstudy.com.