studycz.com - dns.ninja

`studycz.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:37e^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::ac43:82b4^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.3.126^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.130.180^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`jeremy.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bb4^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeremy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1b4^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`jeremy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21b4^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`jeremy.ns.cloudflare.com`
		A	108.162.193.180^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeremy.ns.cloudflare.com`
		A	172.64.33.180^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeremy.ns.cloudflare.com`
		A	173.245.59.180^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`jeremy.ns.cloudflare.com`
NS	`nicole.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad3^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicole.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d3^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nicole.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d3^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nicole.ns.cloudflare.com`
		A	108.162.192.211^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicole.ns.cloudflare.com`
		A	172.64.32.211^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicole.ns.cloudflare.com`
		A	173.245.58.211^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nicole.ns.cloudflare.com`
MX	`mx.yandex.ru` ⭐
		A	2a02:6b8::311^{🇷🇺 TELETECH2a02:6b8::/32 Yandex network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
		A	77.88.21.249^{🇷🇺 TELETECH77.88.0.0/18 Yandex enterprise network}
			PTR	`mxfront.stable.qloud-b.yandex.net`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.3.126, 172.67.130.180
		IPv6 hints	2606:4700:3031::6815:37e, 2606:4700:3032::ac43:82b4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=26, name=cloudflare-ech.com
SOA	`jeremy.ns.cloudflare.com`dns@cloudflare.com serial=2410209267

`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=1784893692

Same first word

studycz.com

Similar names

czstudy.ru

DNS History

14 records (7 active, 7 former)

●NSjeremy.ns.cloudflare.com2015-06-26 → 2026-07-24 · 2 obs

● 2015-06-26 12:04:50
● 2026-07-24 12:15:16

●NSnicole.ns.cloudflare.com2015-06-26 → 2026-07-24 · 2 obs

● 2015-06-26 12:04:50
● 2026-07-24 12:15:16

●MXmx.yandex.ru2015-11-02 → 2026-07-24 · 3 obs

○ 2015-06-26 12:04:50
● 2015-11-02 12:28:20
● 2026-07-24 12:15:16

○MXox20m.atservers.net2015-06-26 → 2015-06-26 · 3 obs

● 2015-06-26 12:04:50
○ 2015-11-02 12:28:20
○ 2026-07-24 12:15:16

●A104.21.3.1262026-02-15 → 2026-07-24 · 3 obs

○ 2017-12-27 20:13:20
● 2026-02-15 21:53:42
● 2026-07-24 12:15:16

○A104.28.28.432015-06-26 → 2017-12-27 · 4 obs

● 2015-06-26 12:04:50
● 2017-12-27 20:13:20
○ 2026-02-15 21:53:42
○ 2026-07-24 12:15:16

○A104.28.29.432015-06-26 → 2017-12-27 · 4 obs

● 2015-06-26 12:04:50
● 2017-12-27 20:13:20
○ 2026-02-15 21:53:42
○ 2026-07-24 12:15:16

●A172.67.130.1802026-02-15 → 2026-07-24 · 3 obs

○ 2017-12-27 20:13:20
● 2026-02-15 21:53:42
● 2026-07-24 12:15:16

○A2400:cb00:2048:1::681c:1c2b2015-06-26 → 2017-12-27 · 4 obs

● 2015-06-26 12:04:50
● 2017-12-27 20:13:20
○ 2026-02-15 21:53:42
○ 2026-07-24 12:15:16

○A2400:cb00:2048:1::681c:1d2b2015-06-26 → 2017-12-27 · 4 obs

● 2015-06-26 12:04:50
● 2017-12-27 20:13:20
○ 2026-02-15 21:53:42
○ 2026-07-24 12:15:16

●A2606:4700:3031::6815:37e2026-07-02 → 2026-07-24 · 3 obs

○ 2026-06-15 05:55:10
● 2026-07-02 15:28:20
● 2026-07-24 12:15:16

●A2606:4700:3032::ac43:82b42026-07-02 → 2026-07-24 · 3 obs

○ 2026-06-15 05:55:10
● 2026-07-02 15:28:20
● 2026-07-24 12:15:16

○A2606:4700:3035::ac43:82b42026-02-15 → 2026-06-15 · 5 obs

○ 2017-12-27 20:13:20
● 2026-02-15 21:53:42
● 2026-06-15 05:55:10
○ 2026-07-02 15:28:20
○ 2026-07-24 12:15:16

○A2606:4700:3037::6815:37e2026-02-15 → 2026-06-15 · 5 obs

○ 2017-12-27 20:13:20
● 2026-02-15 21:53:42
● 2026-06-15 05:55:10
○ 2026-07-02 15:28:20
○ 2026-07-24 12:15:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
studycz.com	jeremy.ns.cloudflare.com, nicole.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.180

NS records: jeremy.ns.cloudflare.com, nicole.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studycz.com (unsigned zone)

⏱️ Timing

Total: 193ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.3.126, 172.67.130.180`
AAAA	2	`2606:4700:3031::6815:37e, 2606:4700:3032::ac43:82b4`
NS	2	`jeremy.ns.cloudflare.com, nicole.ns.cloudflare.com`
MX	1	`mx.yandex.ru (pri: 10)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`jeremy.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

studycz.com has four IP addresses: 104.21.3.126, 172.67.130.180, 2606:4700:3031::6815:37e and 2606:4700:3032::ac43:82b4.

intelcraftlab.digital, www.addictionhelp.us, studywithgpt.com plus two other host names have IP numbers in common with studycz.com.

Name Servers

DNS delegation for studycz.com points to two name servers: jeremy.ns.cloudflare.com and nicole.ns.cloudflare.com.

The name server configuration of studycz.com is shared with other domains, for instance topreviews.com, mo.codes, adblock.es and two others.

studycz.com has at least partial name server overlap with other domains, such as oceanautoglass.net, stpaulsmission.org, ile-to-zl.pl and two others.

These name servers tend to appear together with the name servers kyree.ns.cloudflare.com, joyce.ns.cloudflare.com and peyton.ns.cloudflare.com.

Hosts with 6 IP addresses each:

jeremy.ns.cloudflare.com has IP addresses 108.162.193.180, 172.64.33.180 and 173.245.59.180, plus 3 other.

nicole.ns.cloudflare.com has IP addresses 108.162.192.211, 172.64.32.211 and 173.245.58.211, plus 3 other.

Mail Servers

studycz.com uses one mail server — mx.yandex.ru.

The mail server setup of studycz.com matches that of other domains such as upscom.ru, masterplus.tomsk.ru, copifish.com and two others.

studycz.com has mail servers in common with other domains — for example moidokumenti.ru and miromabook.ru.

mx.yandex.ru has two IP addresses: 77.88.21.249 and 2a02:6b8::311.