`studentdevelopment.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3037::6815:a4d^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:90eb^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.10.77^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.144.235^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aspen.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:266d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aspen.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c26d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aspen.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:226d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aspen.ns.cloudflare.com`
		A	108.162.194.109^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aspen.ns.cloudflare.com`
		A	162.159.38.109^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aspen.ns.cloudflare.com`
		A	172.64.34.109^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aspen.ns.cloudflare.com`
NS	`gordon.ns.cloudflare.com`
		A	2606:4700:58::adf5:3baa^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gordon.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1aa^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`gordon.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21aa^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`gordon.ns.cloudflare.com`
		A	108.162.193.170^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gordon.ns.cloudflare.com`
		A	172.64.33.170^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gordon.ns.cloudflare.com`
		A	173.245.59.170^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`gordon.ns.cloudflare.com`
MX	`route1.mx.cloudflare.net` ⭐
		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`⁽¹⁸⁾
		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`
MX	`route2.mx.cloudflare.net`⁽⁵⁰⁾
		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`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.10.77, 172.67.144.235
		IPv6 hints	2606:4700:3037::6815:a4d, 2606:4700:3037::ac43:90eb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=214, name=cloudflare-ech.com
SOA	`aspen.ns.cloudflare.com`dns@cloudflare.com serial=2411196853

`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=1785885509

Previously MX for

studentdevelopment.com

Same first word

studentdevelopment.com

DNS History

27 records (9 active, 18 former)

●NSaspen.ns.cloudflare.com2026-07-12 → 2026-08-04 · 3 obs

○ 2026-03-27 06:13:34
● 2026-07-12 09:11:30
● 2026-08-04 23:19:58

●NSgordon.ns.cloudflare.com2026-07-12 → 2026-08-04 · 3 obs

○ 2026-03-27 06:13:34
● 2026-07-12 09:11:30
● 2026-08-04 23:19:58

○NSns1.atom.com2026-03-27 → 2026-03-27 · 4 obs

○ 2017-04-04 17:22:50
● 2026-03-27 06:13:34
○ 2026-07-12 09:11:30
○ 2026-08-04 23:19:58

○NSns1.ecast.net2017-04-04 → 2017-04-04 · 4 obs

○ 2015-08-15 05:46:38
● 2017-04-04 17:22:50
○ 2026-03-27 06:13:34
○ 2026-08-04 23:19:58

○NSns1.ichannels.com2015-08-15 → 2017-04-04 · 4 obs

● 2015-08-15 05:46:38
● 2017-04-04 17:22:50
○ 2026-03-27 06:13:34
○ 2026-08-04 23:19:58

○NSns1.namebrightdns.com2026-03-27 → 2026-08-04 · 2 obs

○ 2026-03-27 06:13:34
○ 2026-08-04 23:19:58

○NSns2.atom.com2026-03-27 → 2026-03-27 · 4 obs

○ 2017-04-04 17:22:50
● 2026-03-27 06:13:34
○ 2026-07-12 09:11:30
○ 2026-08-04 23:19:58

○NSns2.ecast.net2017-04-04 → 2017-04-04 · 4 obs

○ 2015-08-15 05:46:38
● 2017-04-04 17:22:50
○ 2026-03-27 06:13:34
○ 2026-08-04 23:19:58

○NSns2.ichannels.com2015-08-15 → 2017-04-04 · 4 obs

● 2015-08-15 05:46:38
● 2017-04-04 17:22:50
○ 2026-03-27 06:13:34
○ 2026-08-04 23:19:58

○NSns2.namebrightdns.com2026-03-27 → 2026-08-04 · 2 obs

○ 2026-03-27 06:13:34
○ 2026-08-04 23:19:58

○MXmail1.namebrightmail.com2026-03-27 → 2026-08-04 · 2 obs

○ 2026-03-27 06:13:34
○ 2026-08-04 23:19:58

○MXmail2.namebrightmail.com2026-03-27 → 2026-08-04 · 2 obs

○ 2026-03-27 06:13:34
○ 2026-08-04 23:19:58

●MXroute1.mx.cloudflare.net2026-07-12 → 2026-08-04 · 3 obs

○ 2026-03-27 06:13:34
● 2026-07-12 09:11:30
● 2026-08-04 23:19:58

●MXroute2.mx.cloudflare.net2026-07-12 → 2026-08-04 · 3 obs

○ 2026-03-27 06:13:34
● 2026-07-12 09:11:30
● 2026-08-04 23:19:58

●MXroute3.mx.cloudflare.net2026-07-12 → 2026-08-04 · 3 obs

○ 2026-03-27 06:13:34
● 2026-07-12 09:11:30
● 2026-08-04 23:19:58

○MXstudentdevelopment.com2015-08-15 → 2017-04-04 · 4 obs

● 2015-08-15 05:46:38
● 2017-04-04 17:22:50
○ 2026-03-27 06:13:34
○ 2026-08-04 23:19:58

●A104.21.10.772026-07-12 → 2026-08-04 · 3 obs

○ 2026-03-27 06:13:34
● 2026-07-12 09:11:30
● 2026-08-04 23:19:58

●A172.67.144.2352026-07-12 → 2026-08-04 · 3 obs

○ 2026-03-27 06:13:34
● 2026-07-12 09:11:30
● 2026-08-04 23:19:58

○A174.142.82.1202017-04-04 → 2017-04-04 · 4 obs

○ 2016-09-14 12:36:24
● 2017-04-04 17:22:50
○ 2026-03-27 06:13:34
○ 2026-08-04 23:19:58

○A192.237.245.1622015-08-15 → 2016-09-14 · 4 obs

● 2015-08-15 05:46:38
● 2016-09-14 12:36:24
○ 2017-04-04 17:22:50
○ 2026-08-04 23:19:58

○A2600:1f18:4ae:c607:5974:bfa8:d54b:7fe52026-03-27 → 2026-08-04 · 2 obs

○ 2026-03-27 06:13:34
○ 2026-08-04 23:19:58

○A2600:1f18:4ae:c608:1ae1:9fc3:6ee2:84dd2026-03-27 → 2026-08-04 · 2 obs

○ 2026-03-27 06:13:34
○ 2026-08-04 23:19:58

●A2606:4700:3037::6815:a4d2026-07-12 → 2026-08-04 · 3 obs

○ 2026-03-27 06:13:34
● 2026-07-12 09:11:30
● 2026-08-04 23:19:58

●A2606:4700:3037::ac43:90eb2026-07-12 → 2026-08-04 · 3 obs

○ 2026-03-27 06:13:34
● 2026-07-12 09:11:30
● 2026-08-04 23:19:58

○A44.208.83.1802026-03-27 → 2026-08-04 · 2 obs

○ 2026-03-27 06:13:34
○ 2026-08-04 23:19:58

○A52.20.84.622026-03-27 → 2026-03-27 · 4 obs

○ 2017-04-04 17:22:50
● 2026-03-27 06:13:34
○ 2026-07-12 09:11:30
○ 2026-08-04 23:19:58

○A54.84.240.2352026-03-27 → 2026-08-04 · 2 obs

○ 2026-03-27 06:13:34
○ 2026-08-04 23:19:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net...	-
studentdevelopment.com	gordon.ns.cloudflare.com, aspen.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.109

NS records: gordon.ns.cloudflare.com, aspen.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studentdevelopment.com (unsigned zone)

⏱️ Timing

Total: 283ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.144.235, 104.21.10.77`
AAAA	2	`2606:4700:3037::6815:a4d, 2606:4700:3037::ac43:90eb`
NS	2	`aspen.ns.cloudflare.com, gordon.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 18), route2.mx.cloudflare.net (pri: 50)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aspen.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

studentdevelopment.com points to the four IP addresses 104.21.10.77, 172.67.144.235, 2606:4700:3037::6815:a4d and 2606:4700:3037::ac43:90eb.

tiderockcafe.com, betoffice-betadresi.vip, ignacio.ca and two other host names share IP numbers with studentdevelopment.com.

Name Servers

DNS delegation for studentdevelopment.com points to two name servers: aspen.ns.cloudflare.com and gordon.ns.cloudflare.com.

studentdevelopment.com uses the same name servers as several other domains — among them hospitaltracker.com, healthsupport.com, ipcam.com and two more.

The name servers of studentdevelopment.com overlap at least partially with those of other domains — among them alucizu.top, mofang103.com, ticketpro.bg and two more.

These name servers commonly appear in combination with the name servers nash.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

aspen.ns.cloudflare.com has IP addresses 108.162.194.109, 162.159.38.109 and 172.64.34.109, plus 3 other.

gordon.ns.cloudflare.com has IP addresses 108.162.193.170, 172.64.33.170 and 173.245.59.170, plus 3 other.

Mail Servers

Mail for studentdevelopment.com is routed through three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

studentdevelopment.com has at least partial mail server overlap with other domains such as justinetanguy.com, sgcvietnam.com, qmonitorapp.com and two more.

Hostnames that resolve to 6 IP addresses:

route1.mx.cloudflare.net has IP addresses 162.159.205.11, 162.159.205.12 and 162.159.205.13, plus 3 other.

route2.mx.cloudflare.net has IP addresses 162.159.205.17, 162.159.205.18 and 162.159.205.19, plus 3 other.

route3.mx.cloudflare.net has IP addresses 162.159.205.23, 162.159.205.24 and 162.159.205.25, plus 3 other.

studentdevelopment.com - robtex.com