`joinstudy.net`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:5971^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:8d7a^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.89.113^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.141.122^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`coby.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b5c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c15c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`coby.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:215c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`coby.ns.cloudflare.com`
		A	108.162.193.92^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
		A	172.64.33.92^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
		A	173.245.59.92^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`coby.ns.cloudflare.com`
NS	`harlee.ns.cloudflare.com`
		A	2606:4700:50::a29f:26ee^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlee.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2ee^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`harlee.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22ee^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`harlee.ns.cloudflare.com`
		A	108.162.194.238^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlee.ns.cloudflare.com`
		A	162.159.38.238^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlee.ns.cloudflare.com`
		A	172.64.34.238^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`harlee.ns.cloudflare.com`
MX	`mx2.zoho.in` ⭐
		A	169.148.146.168^{🇮🇳 ZOHO-IN169.148.146.0/24 ZOHO Corporation Private Limited Estancia IT Park GST Road , Vallanchery Village, GST Rd}
			PTR	`mx2.zoho.in`
			PTR	`mx3.zoho.in`
			PTR	`mx.zoho.in`
		A	169.148.149.118^{🇮🇳 ZOHO-IN169.148.148.0/23 ZOHO Corporation Private Limited Estancia IT Park GST Road , Vallanchery Village, GST Rd}
			PTR	`mx2.zoho.in`
			PTR	`mx3.zoho.in`
			PTR	`mx.zoho.in`
MX	`mx3.zoho.in`⁽²⁰⁾
		A	103.103.196.235^{🇮🇳 ZOHO-IN103.103.196.0/23 ZOHO}
			PTR	`mx2.zoho.in`
			PTR	`mx3.zoho.in`
			PTR	`mx.zoho.in`
MX	`mx.zoho.in`⁽⁵⁰⁾
		A	169.148.146.168^{🇮🇳 ZOHO-IN169.148.146.0/24 ZOHO Corporation Private Limited Estancia IT Park GST Road , Vallanchery Village, GST Rd}
			PTR	`mx2.zoho.in`
			PTR	`mx3.zoho.in`
			PTR	`mx.zoho.in`
		A	169.148.149.118^{🇮🇳 ZOHO-IN169.148.148.0/23 ZOHO Corporation Private Limited Estancia IT Park GST Road , Vallanchery Village, GST Rd}
			PTR	`mx2.zoho.in`
			PTR	`mx3.zoho.in`
			PTR	`mx.zoho.in`
TXT	`v=spf1 include:zoho.in ~all`
TXT	`zoho-verification=zb91449178.zmverify.zoho.in`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.89.113, 172.67.141.122
		IPv6 hints	2606:4700:3034::6815:5971, 2606:4700:3037::ac43:8d7a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=10, name=cloudflare-ech.com
SOA	`coby.ns.cloudflare.com`dns@cloudflare.com serial=2409481258

`net`

	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=1784075492

⚠️ On DNS blocklist: tif

Same first word

joinstudy.net

Similar names

njystudio.com

DNS History

15 records (9 active, 6 former)

●NScoby.ns.cloudflare.com2026-03-29 → 2026-07-15 · 2 obs

● 2026-03-29 03:07:30
● 2026-07-15 00:45:28

●NSharlee.ns.cloudflare.com2026-03-29 → 2026-07-15 · 2 obs

● 2026-03-29 03:07:30
● 2026-07-15 00:45:28

●MXmx.zoho.in2026-03-29 → 2026-07-15 · 2 obs

● 2026-03-29 03:07:30
● 2026-07-15 00:45:28

●MXmx2.zoho.in2026-03-29 → 2026-07-15 · 2 obs

● 2026-03-29 03:07:30
● 2026-07-15 00:45:28

●MXmx3.zoho.in2026-03-29 → 2026-07-15 · 2 obs

● 2026-03-29 03:07:30
● 2026-07-15 00:45:28

●A104.21.89.1132026-03-29 → 2026-07-15 · 6 obs

● 2026-03-29 03:07:30
● 2026-05-02 13:32:52
○ 2026-05-23 15:33:00
● 2026-06-01 20:23:32
○ 2026-06-19 09:57:38
● 2026-07-15 00:45:28

●A172.67.141.1222026-03-29 → 2026-07-15 · 6 obs

● 2026-03-29 03:07:30
● 2026-05-02 13:32:52
○ 2026-05-23 15:33:00
● 2026-06-01 20:23:32
○ 2026-06-19 09:57:38
● 2026-07-15 00:45:28

○A188.114.96.02026-05-23 → 2026-06-19 · 5 obs

○ 2026-05-02 13:32:52
● 2026-05-23 15:33:00
○ 2026-06-01 20:23:32
● 2026-06-19 09:57:38
○ 2026-07-15 00:45:28

○A188.114.97.02026-05-23 → 2026-06-19 · 5 obs

○ 2026-05-02 13:32:52
● 2026-05-23 15:33:00
○ 2026-06-01 20:23:32
● 2026-06-19 09:57:38
○ 2026-07-15 00:45:28

○A2606:4700:3032::ac43:8d7a2026-03-29 → 2026-06-01 · 6 obs

● 2026-03-29 03:07:30
● 2026-05-02 13:32:52
○ 2026-05-23 15:33:00
● 2026-06-01 20:23:32
○ 2026-06-19 09:57:38
○ 2026-07-15 00:45:28

●A2606:4700:3034::6815:59712026-07-15 → 2026-07-15 · 2 obs

○ 2026-06-19 09:57:38
● 2026-07-15 00:45:28

○A2606:4700:3035::6815:59712026-03-29 → 2026-06-01 · 6 obs

● 2026-03-29 03:07:30
● 2026-05-02 13:32:52
○ 2026-05-23 15:33:00
● 2026-06-01 20:23:32
○ 2026-06-19 09:57:38
○ 2026-07-15 00:45:28

●A2606:4700:3037::ac43:8d7a2026-07-15 → 2026-07-15 · 2 obs

○ 2026-06-19 09:57:38
● 2026-07-15 00:45:28

○A2a06:98c1:3120::2026-05-23 → 2026-06-19 · 5 obs

○ 2026-05-02 13:32:52
● 2026-05-23 15:33:00
○ 2026-06-01 20:23:32
● 2026-06-19 09:57:38
○ 2026-07-15 00:45:28

○A2a06:98c1:3121::2026-05-23 → 2026-06-19 · 5 obs

○ 2026-05-02 13:32:52
● 2026-05-23 15:33:00
○ 2026-06-01 20:23:32
● 2026-06-19 09:57:38
○ 2026-07-15 00:45:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	h.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net...	-
joinstudy.net	coby.ns.cloudflare.com, harlee.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.238

NS records: coby.ns.cloudflare.com, harlee.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for joinstudy.net (unsigned zone)

⏱️ Timing

Total: 960ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.89.113, 172.67.141.122`
AAAA	2	`2606:4700:3034::6815:5971, 2606:4700:3037::ac43:8d7a`
NS	2	`coby.ns.cloudflare.com, harlee.ns.cloudflare.com`
MX	3	`mx.zoho.in (pri: 10), mx2.zoho.in (pri: 20)...`
TXT	2	`v=spf1 include:zoho.in ~all, zoho-verification=zb91449178.zmverify.zo`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`coby.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

joinstudy.net points to the four IP addresses 104.21.89.113, 172.67.141.122, 2606:4700:3034::6815:5971 and 2606:4700:3037::ac43:8d7a.

Additional host names — evolt.ca, esperanzaazteca.com, latsis-foundation.org and two others — share IP numbers with joinstudy.net.

Name Servers

joinstudy.net is served by two delegated name servers, coby.ns.cloudflare.com and harlee.ns.cloudflare.com.

joinstudy.net shares its name server setup with other domains, including specialitydrugs.in, vyoonet.com, png55.com and two others.

At least some of joinstudy.net's name servers are shared with other domains, for example mailn.net, rvntraining.com, 777bets.in and two more.

These name servers tend to be used in conjunction with the name servers lars.ns.cloudflare.com.

Host names with 6 IP numbers:

coby.ns.cloudflare.com carries IP addresses 108.162.193.92, 172.64.33.92 and 173.245.59.92, with 3 other addresses beyond those.

harlee.ns.cloudflare.com carries IP addresses 108.162.194.238, 162.159.38.238 and 172.64.34.238, with 3 other addresses beyond those.

Mail Servers

The MX records for joinstudy.net list three mail servers: mx2.zoho.in, mx3.zoho.in and mx.zoho.in.

joinstudy.net shares mail servers — at least in part — with other domains, including theprservices.com, fixocar.com, sscs.net.in and two others.

Host names with two IP numbers:

mx2.zoho.in maps to two IP addresses — 169.148.146.168 and 169.148.149.118.

mx.zoho.in maps to two IP addresses — 169.148.146.168 and 169.148.149.118.

Host names pointing to a single IP address:

mx3.zoho.in points to the IP address 103.103.196.235.

These two host names — mx2.zoho.in and mx.zoho.in — each point to 169.148.146.168 IP addresses.

These two host names — mx2.zoho.in and mx.zoho.in — each point to 169.148.149.118 IP addresses.

joinstudy.net - robtex.com

joinstudy.net

net

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`joinstudy.net`

`net`