`dotnetstudy.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:52b^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:84f3^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.5.43^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.132.243^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`cloe.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a56^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cloe.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c056^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`cloe.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2056^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`cloe.ns.cloudflare.com`
		A	108.162.192.86^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cloe.ns.cloudflare.com`
		A	172.64.32.86^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cloe.ns.cloudflare.com`
		A	173.245.58.86^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`cloe.ns.cloudflare.com`
NS	`rick.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b8b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rick.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c18b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rick.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:218b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rick.ns.cloudflare.com`
		A	108.162.193.139^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rick.ns.cloudflare.com`
		A	172.64.33.139^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rick.ns.cloudflare.com`
		A	173.245.59.139^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rick.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽²³⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽¹⁰⁰⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
TXT	`google-site-verification=jE5DlUHLsKoPtQ42DBMZlQ6poBJUdEW8Xn_VlTw1QI4`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.5.43, 172.67.132.243
		IPv6 hints	2606:4700:3031::6815:52b, 2606:4700:3034::ac43:84f3
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=115, name=cloudflare-ech.com
SOA	`cloe.ns.cloudflare.com`dns@cloudflare.com serial=2399572232

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1777014606

Subdomains

www.dotnetstudy.com

Same first word

dotnetstudy.com

DNS History

17 records (9 active, 8 former)

●NScloe.ns.cloudflare.com2026-04-24 → 2026-04-24 · 3 obs

○ 2018-09-10 06:12:56
● 2026-04-24 04:35:20
● 2026-04-24 07:26:26

○NSns.dotnetstudy.com2015-07-14 → 2018-09-10 · 5 obs

○ 2008-11-14 04:39:46
● 2015-07-14 14:34:04
● 2018-09-10 06:12:56
○ 2026-04-24 04:35:20
○ 2026-04-24 07:26:26

○NSns1.ksdom.kr2008-11-14 → 2008-11-14 · 3 obs

● 2008-11-14 04:39:46
○ 2015-07-14 14:34:04
○ 2026-04-24 07:26:26

○NSns1.md-plesk-web8.webhostbox.net2015-07-14 → 2018-09-10 · 5 obs

○ 2008-11-14 04:39:46
● 2015-07-14 14:34:04
● 2018-09-10 06:12:56
○ 2026-04-24 04:35:20
○ 2026-04-24 07:26:26

○NSns2.ksdom.kr2008-11-14 → 2008-11-14 · 3 obs

● 2008-11-14 04:39:46
○ 2015-07-14 14:34:04
○ 2026-04-24 07:26:26

○NSns2.md-plesk-web8.webhostbox.net2015-07-14 → 2018-09-10 · 5 obs

○ 2008-11-14 04:39:46
● 2015-07-14 14:34:04
● 2018-09-10 06:12:56
○ 2026-04-24 04:35:20
○ 2026-04-24 07:26:26

●NSrick.ns.cloudflare.com2026-04-24 → 2026-04-24 · 3 obs

○ 2018-09-10 06:12:56
● 2026-04-24 04:35:20
● 2026-04-24 07:26:26

○MXmail.dotnetstudy.com2008-11-14 → 2018-09-10 · 4 obs

● 2008-11-14 04:39:46
● 2018-09-10 06:12:56
○ 2026-04-24 04:35:20
○ 2026-04-24 07:26:26

●MXroute1.mx.cloudflare.net2026-04-24 → 2026-04-24 · 3 obs

○ 2018-09-10 06:12:56
● 2026-04-24 04:35:20
● 2026-04-24 07:26:26

●MXroute2.mx.cloudflare.net2026-04-24 → 2026-04-24 · 3 obs

○ 2018-09-10 06:12:56
● 2026-04-24 04:35:20
● 2026-04-24 07:26:26

●MXroute3.mx.cloudflare.net2026-04-24 → 2026-04-24 · 3 obs

○ 2018-09-10 06:12:56
● 2026-04-24 04:35:20
● 2026-04-24 07:26:26

●A104.21.5.432026-04-24 → 2026-04-24 · 3 obs

○ 2018-09-10 06:12:56
● 2026-04-24 04:35:20
● 2026-04-24 07:26:26

●A172.67.132.2432026-04-24 → 2026-04-24 · 3 obs

○ 2018-09-10 06:12:56
● 2026-04-24 04:35:20
● 2026-04-24 07:26:26

○A208.91.199.422015-07-14 → 2018-09-10 · 5 obs

○ 2008-11-14 04:39:46
● 2015-07-14 14:34:04
● 2018-09-10 06:12:56
○ 2026-04-24 04:35:20
○ 2026-04-24 07:26:26

○A211.220.223.412008-11-14 → 2008-11-14 · 3 obs

● 2008-11-14 04:39:46
○ 2015-07-14 14:34:04
○ 2026-04-24 07:26:26

●A2606:4700:3031::6815:52b2026-04-24 → 2026-04-24 · 3 obs

○ 2018-09-10 06:12:56
● 2026-04-24 04:35:20
● 2026-04-24 07:26:26

●A2606:4700:3034::ac43:84f32026-04-24 → 2026-04-24 · 3 obs

○ 2018-09-10 06:12:56
● 2026-04-24 04:35:20
● 2026-04-24 07:26:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net...	-
dotnetstudy.com	rick.ns.cloudflare.com, cloe.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.86

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: 284ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.132.243, 104.21.5.43`
AAAA	2	`2606:4700:3034::ac43:84f3, 2606:4700:3031::6815:52b`
NS	2	`cloe.ns.cloudflare.com, rick.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 100), route2.mx.cloudflare.net (pri: 17)...`
TXT	2	`google-site-verification=jE5DlUHLsKoPtQ4, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`cloe.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

dotnetstudy.com is the parent of www.dotnetstudy.com.

IP Addresses

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 for instance chessmonitor.com, johnnoe.com, larsentax.net, www.dotnetstudy.com and eropastrike.info share IP numbers with dotnetstudy.com.

Name Servers

dotnetstudy.com is delegated to two name servers: cloe.ns.cloudflare.com and rick.ns.cloudflare.com.

dotnetstudy.com shares the same name server setup as other domains, for example shouhei.ru, egoairways.com, danielgray.me, oxfordshirecotswolds.org and nortesuleventos.com.br.

dotnetstudy.com at least partially shares name servers with other domains, for instance leonardschwier.com, meta-celestial-1mb.pages.dev, farmandranchdepot.com, conservativesilver.com and securitytrails.com.

These name servers are often used with heather.ns.cloudflare.com and duke.ns.cloudflare.com.

Host names with six IP numbers:

cloe.ns.cloudflare.com points to: 2606:4700:50::adf5:3a56, 2803:f800:50::6ca2:c056, 2a06:98c1:50::ac40:2056, 108.162.192.86, 172.64.32.86 and 173.245.58.86; rick.ns.cloudflare.com points to: 2606:4700:58::adf5:3b8b, 2803:f800:50::6ca2:c18b, 2a06:98c1:50::ac40:218b, 108.162.193.139, 172.64.33.139 and 173.245.59.139.

Mail Servers

dotnetstudy.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

dotnetstudy.com shares mail servers with other domains at least partially, including re-cord.net, hopkinshome.net, flybasedj.co.uk, ornamentchina.com and (0x736578)token.com.

Host names with six IP numbers: route1.mx.cloudflare.net points to: 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13; route2.mx.cloudflare.net points to: 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19; route3.mx.cloudflare.net points to: 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

dotnetstudy.com - robtex.com

dotnetstudy.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`dotnetstudy.com`

`com`