🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`openstudy.ca`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:50ae^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:98a4^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.80.174^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.152.164^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`aiden.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b37^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aiden.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c137^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aiden.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2137^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aiden.ns.cloudflare.com`
		A	108.162.193.55^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aiden.ns.cloudflare.com`
		A	172.64.33.55^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aiden.ns.cloudflare.com`
		A	173.245.59.55^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aiden.ns.cloudflare.com`
NS	`karina.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ab2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0b2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`karina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20b2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`karina.ns.cloudflare.com`
		A	108.162.192.178^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karina.ns.cloudflare.com`
		A	172.64.32.178^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karina.ns.cloudflare.com`
		A	173.245.58.178^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karina.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`⁽³⁴⁾
		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`⁽⁷²⁾
		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	104.21.80.174, 172.67.152.164
		IPv6 hints	2606:4700:3033::6815:50ae, 2606:4700:3035::ac43:98a4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=81, name=cloudflare-ech.com
SOA	`aiden.ns.cloudflare.com`dns@cloudflare.com serial=2419182927

`ca`

	DNSSEC	🔒 Signed (DS record present)
	NS	`prd-czp-05.corp.cira.ca` ⭐
	NS	`any.ca-servers.ca`
	NS	`c.ca-servers.ca`
	NS	`d.ca-servers.ca`
	NS	`j.ca-servers.ca`
	SOA	`prd-czp-05.corp.cira.ca`admin-dns@cira.ca serial=2611151400

Same first word

Similar names

typesound.ro

studyopen.ru

typesound.app

soupydent.site

soundtype.com

typesound.com

peonydust.com

dostupnye.ru

soundtype.ai

soundtype.co

studyopen.com

studyopen.top

soundtype.pro

Previous names

Next names

DNS History

18 records (9 active, 9 former)

●NSaiden.ns.cloudflare.com2026-11-05 → 2026-11-15 · 3 obs

○ 2026-08-20 20:10:46
● 2026-11-05 22:25:38
● 2026-11-15 14:50:02

○NSdns.domainsatcost.ca2015-07-04 → 2016-05-02 · 4 obs

● 2015-07-04 20:03:48
● 2016-05-02 04:04:40
○ 2017-02-02 19:40:28
○ 2026-11-15 14:50:02

○NSdns2.domainsatcost.ca2015-07-04 → 2016-05-02 · 4 obs

● 2015-07-04 20:03:48
● 2016-05-02 04:04:40
○ 2017-02-02 19:40:28
○ 2026-11-15 14:50:02

●NSkarina.ns.cloudflare.com2026-11-05 → 2026-11-15 · 3 obs

○ 2026-08-20 20:10:46
● 2026-11-05 22:25:38
● 2026-11-15 14:50:02

○NSns31.domaincontrol.com2017-02-02 → 2018-07-12 · 5 obs

○ 2016-05-02 04:04:40
● 2017-02-02 19:40:28
● 2018-07-12 06:38:44
○ 2026-08-20 20:10:46
○ 2026-11-15 14:50:02

○NSns32.domaincontrol.com2017-02-02 → 2018-07-12 · 5 obs

○ 2016-05-02 04:04:40
● 2017-02-02 19:40:28
● 2018-07-12 06:38:44
○ 2026-08-20 20:10:46
○ 2026-11-15 14:50:02

○MXloopback.domainsatcost.ca2015-07-04 → 2016-05-02 · 4 obs

● 2015-07-04 20:03:48
● 2016-05-02 04:04:40
○ 2017-02-02 19:40:28
○ 2026-11-15 14:50:02

○MXmailstore1.secureserver.net2017-02-02 → 2018-07-12 · 5 obs

○ 2016-05-02 04:04:40
● 2017-02-02 19:40:28
● 2018-07-12 06:38:44
○ 2026-08-20 20:10:46
○ 2026-11-15 14:50:02

●MXroute1.mx.cloudflare.net2026-11-05 → 2026-11-15 · 3 obs

○ 2026-08-20 20:10:46
● 2026-11-05 22:25:38
● 2026-11-15 14:50:02

●MXroute2.mx.cloudflare.net2026-11-05 → 2026-11-15 · 3 obs

○ 2026-08-20 20:10:46
● 2026-11-05 22:25:38
● 2026-11-15 14:50:02

●MXroute3.mx.cloudflare.net2026-11-05 → 2026-11-15 · 3 obs

○ 2026-08-20 20:10:46
● 2026-11-05 22:25:38
● 2026-11-15 14:50:02

○MXsmtp.secureserver.net2017-02-02 → 2018-07-12 · 5 obs

○ 2016-05-02 04:04:40
● 2017-02-02 19:40:28
● 2018-07-12 06:38:44
○ 2026-08-20 20:10:46
○ 2026-11-15 14:50:02

●A104.21.80.1742026-11-05 → 2026-11-15 · 3 obs

○ 2026-08-20 20:10:46
● 2026-11-05 22:25:38
● 2026-11-15 14:50:02

●A172.67.152.1642026-11-05 → 2026-11-15 · 3 obs

○ 2026-08-20 20:10:46
● 2026-11-05 22:25:38
● 2026-11-15 14:50:02

○A184.168.221.312017-02-02 → 2018-07-12 · 5 obs

○ 2016-05-02 04:04:40
● 2017-02-02 19:40:28
● 2018-07-12 06:38:44
○ 2026-08-20 20:10:46
○ 2026-11-15 14:50:02

●A2606:4700:3033::6815:50ae2026-11-05 → 2026-11-15 · 3 obs

○ 2026-08-20 20:10:46
● 2026-11-05 22:25:38
● 2026-11-15 14:50:02

●A2606:4700:3035::ac43:98a42026-11-05 → 2026-11-15 · 3 obs

○ 2026-08-20 20:10:46
● 2026-11-05 22:25:38
● 2026-11-15 14:50:02

○A54.236.162.932015-07-04 → 2016-05-02 · 4 obs

● 2015-07-04 20:03:48
● 2016-05-02 04:04:40
○ 2017-02-02 19:40:28
○ 2026-11-15 14:50:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	d.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca, j.ca-servers.ca	8 records
openstudy.ca	aiden.ns.cloudflare.com, karina.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.55

NS records: aiden.ns.cloudflare.com, karina.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openstudy.ca (unsigned zone)

⏱️ Timing

Total: 1699ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.152.164, 104.21.80.174`
AAAA	2	`2606:4700:3033::6815:50ae, 2606:4700:3035::ac43:98a4`
NS	2	`aiden.ns.cloudflare.com, karina.ns.cloudflare.com`
MX	3	`route1.mx.cloudflare.net (pri: 17), route3.mx.cloudflare.net (pri: 34)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`aiden.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (d.ca-servers.ca, d.ca-servers.ca, any.ca-servers.ca...)

Analysis

IP Addresses

openstudy.ca points to the four IP addresses 104.21.80.174, 172.67.152.164, 2606:4700:3033::6815:50ae and 2606:4700:3035::ac43:98a4.

own.it.ao, kinaia.app, 7c777-bet.net and two other host names share IP numbers with openstudy.ca.

Name Servers

DNS delegation for openstudy.ca points to two name servers: aiden.ns.cloudflare.com and karina.ns.cloudflare.com.

openstudy.ca uses the same name servers as several other domains — among them fauzej.workers.dev, wrong.baby, it2fun.com and two more.

The name servers of openstudy.ca overlap at least partially with those of other domains — among them thickenaid.com, performanalysthq.com, angelotmarcelin5.workers.dev and two more.

These name servers commonly appear alongside the name servers sierra.ns.cloudflare.com and dolly.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

aiden.ns.cloudflare.com has IP addresses 108.162.193.55, 172.64.33.55 and 173.245.59.55, plus 3 other.

karina.ns.cloudflare.com has IP addresses 108.162.192.178, 172.64.32.178 and 173.245.58.178, plus 3 other.

Mail Servers

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

openstudy.ca has at least partial mail server overlap with other domains such as heathermcmahan.org, sisithefox.com, wafflersecuador.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.

openstudy.ca - robtex.com

openstudy.ca

ca

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`openstudy.ca`

`ca`