study4.com - dns.ninja

`study4.com`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:8e3^{Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:9e3^{Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:4958^{Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.8.227^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.9.227^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.73.88^{Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ajay.ns.cloudflare.com` ⭐
NS	`dorthy.ns.cloudflare.com`
		A	2606:4700:50::adf5:3af9^{Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	2803:f800:50::6ca2:c0f9^{Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
		A	2a06:98c1:50::ac40:20f9^{Cloudflare2a06:98c1:50::/45}
		A	108.162.192.249^{Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.249^{Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.249^{Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c07::1b^{Google2607:f8b0:4004::/48}
		A	2607:f8b0:4004:c09::1b^{Google2607:f8b0:4004::/48}
		A	2607:f8b0:4004:c29::1a^{Google2607:f8b0:4004::/48}
		A	2607:f8b0:4004:c29::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f27.1e100.net`
		A	172.253.62.27^{Google172.253.62.0/24}
		A	172.253.122.26^{Google172.253.122.0/24}
		A	172.253.122.27^{Google172.253.122.0/24}
		A	173.194.45.26^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f26.1e100.net`
		A	173.194.45.27^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f27.1e100.net`
TXT	`MS=ms27261699`
TXT	`anthropic-domain-verification-atwhbh=mUW99R0IYb2WZ4Z87EYIyaxhM`
TXT	`apple-domain-verification=68AZnSihzLQZORD8`
TXT	`cursor-domain-verification-8sqjbk=7iwUuGzZIXuIjSmaVuioHQqTj`
TXT	`google-site-verification=eQDQHsBrLtonmX1Sdl8ZGEM2Fh-UWbISNiVb2cFluYI`
TXT	`v=spf1 include:zoho.com ~all`
TXT	`zoho-verification=zb66126777.zmverify.zoho.com`
TXT	`zoho-verification=zb98914813.zmverify.zoho.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.26.8.227, 104.26.9.227, 172.67.73.88
		IPv6 hints	2606:4700:20::681a:8e3, 2606:4700:20::681a:9e3, 2606:4700:20::ac43:4958
SOA	`ajay.ns.cloudflare.com`dns@cloudflare.com serial=2408600020

`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=1783481096

📈 Tranco rank: #35,099

Subdomains

www.study4.com

Same first word

study4.com

study4.me

study4.net

study4.tw

study4.fun

Similar names

4study.ir

4study.de

4study.nl

4study.pro

4study.com

4study.cn

DNS History

26 records (9 active, 17 former)

●NSajay.ns.cloudflare.com2026-02-15 → 2026-07-08 · 3 obs

○ 2017-05-31 14:23:26
● 2026-02-15 17:07:06
● 2026-07-08 03:44:26

●NSdorthy.ns.cloudflare.com2026-02-15 → 2026-07-08 · 3 obs

○ 2017-05-31 14:23:26
● 2026-02-15 17:07:06
● 2026-07-08 03:44:26

○NSns1.colo.com2016-02-26 → 2016-02-26 · 4 obs

○ 2015-07-21 03:50:40
● 2016-02-26 12:02:16
○ 2016-09-24 12:07:58
○ 2026-07-08 03:44:26

○NSns1.namebrightdns.com2016-09-24 → 2017-05-31 · 5 obs

○ 2016-02-26 12:02:16
● 2016-09-24 12:07:58
● 2017-05-31 14:23:26
○ 2026-02-15 17:07:06
○ 2026-07-08 03:44:26

○NSns1.vortals.com2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 07:35:36
○ 2015-07-21 03:50:40
○ 2026-07-08 03:44:26

○NSns2.namebrightdns.com2016-09-24 → 2017-05-31 · 5 obs

○ 2016-02-26 12:02:16
● 2016-09-24 12:07:58
● 2017-05-31 14:23:26
○ 2026-02-15 17:07:06
○ 2026-07-08 03:44:26

○NSns2.vortals.com2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 07:35:36
○ 2015-07-21 03:50:40
○ 2026-07-08 03:44:26

○NSns3.vortals.com2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 07:35:36
○ 2015-07-21 03:50:40
○ 2026-07-08 03:44:26

○MXmail.study4.com2015-07-21 → 2016-02-26 · 5 obs

○ 2008-03-15 07:35:36
● 2015-07-21 03:50:40
● 2016-02-26 12:02:16
○ 2016-09-24 12:07:58
○ 2026-07-08 03:44:26

●MXsmtp.google.com2026-02-15 → 2026-07-08 · 3 obs

○ 2016-09-24 12:07:58
● 2026-02-15 17:07:06
● 2026-07-08 03:44:26

●A104.26.8.2272026-02-15 → 2026-07-08 · 3 obs

○ 2017-05-31 14:23:26
● 2026-02-15 17:07:06
● 2026-07-08 03:44:26

●A104.26.9.2272026-02-15 → 2026-07-08 · 3 obs

○ 2017-05-31 14:23:26
● 2026-02-15 17:07:06
● 2026-07-08 03:44:26

○A107.23.198.2402016-09-24 → 2016-09-24 · 4 obs

○ 2016-02-26 12:02:16
● 2016-09-24 12:07:58
○ 2017-05-31 14:23:26
○ 2026-07-08 03:44:26

●A172.67.73.882026-02-15 → 2026-07-08 · 3 obs

○ 2017-05-31 14:23:26
● 2026-02-15 17:07:06
● 2026-07-08 03:44:26

●A2606:4700:20::681a:8e32026-02-15 → 2026-07-08 · 3 obs

○ 2017-05-31 14:23:26
● 2026-02-15 17:07:06
● 2026-07-08 03:44:26

●A2606:4700:20::681a:9e32026-02-15 → 2026-07-08 · 3 obs

○ 2017-05-31 14:23:26
● 2026-02-15 17:07:06
● 2026-07-08 03:44:26

●A2606:4700:20::ac43:49582026-02-15 → 2026-07-08 · 3 obs

○ 2017-05-31 14:23:26
● 2026-02-15 17:07:06
● 2026-07-08 03:44:26

○A52.206.43.2342016-09-24 → 2016-09-24 · 4 obs

○ 2016-02-26 12:02:16
● 2016-09-24 12:07:58
○ 2017-05-31 14:23:26
○ 2026-07-08 03:44:26

○A52.4.72.1372016-09-24 → 2016-09-24 · 4 obs

○ 2016-02-26 12:02:16
● 2016-09-24 12:07:58
○ 2017-05-31 14:23:26
○ 2026-07-08 03:44:26

○A54.210.33.1902016-09-24 → 2016-09-24 · 4 obs

○ 2016-02-26 12:02:16
● 2016-09-24 12:07:58
○ 2017-05-31 14:23:26
○ 2026-07-08 03:44:26

○A54.236.123.2242016-09-24 → 2016-09-24 · 4 obs

○ 2016-02-26 12:02:16
● 2016-09-24 12:07:58
○ 2017-05-31 14:23:26
○ 2026-07-08 03:44:26

○A64.182.124.302008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 07:35:36
○ 2015-07-21 03:50:40
○ 2026-07-08 03:44:26

○A64.74.172.1252015-07-21 → 2015-11-27 · 5 obs

○ 2008-03-15 07:35:36
● 2015-07-21 03:50:40
● 2015-11-27 12:06:34
○ 2016-02-26 12:02:16
○ 2026-07-08 03:44:26

○A66.63.171.1252016-02-26 → 2016-02-26 · 4 obs

○ 2015-11-27 12:06:34
● 2016-02-26 12:02:16
○ 2016-09-24 12:07:58
○ 2026-07-08 03:44:26

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2016-09-24 → 2016-09-24 · 3 obs

● 2016-09-24 12:07:58
○ 2017-05-31 14:23:26
○ 2026-07-08 03:44:26

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-05-31 → 2026-02-17 · 5 obs

○ 2016-09-24 12:07:58
● 2017-05-31 14:23:26
● 2026-02-17 07:45:44
○ 2026-02-17 09:40:12
○ 2026-07-08 03:44:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...	-
study4.com	ajay.ns.cloudflare.com, dorthy.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.56

NS records: ajay.ns.cloudflare.com, dorthy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for study4.com (unsigned zone)

⏱️ Timing

Total: 742ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`104.26.9.227, 104.26.8.227...`
AAAA	3	`2606:4700:20::681a:8e3, 2606:4700:20::ac43:4958...`
NS	2	`ajay.ns.cloudflare.com, dorthy.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	8	`MS=ms27261699, anthropic-domain-verification-atwhbh=mUW...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ajay.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

study4.com serves as the parent of www.study4.com.

IP Addresses

study4.com points to 6 IP addresses, including 104.26.8.227, 104.26.9.227 and 172.67.73.88, plus 3 other.

Name Servers

study4.com has two authoritative name servers — ajay.ns.cloudflare.com and dorthy.ns.cloudflare.com.

Hosts with 6 IP addresses each:

dorthy.ns.cloudflare.com points to 108.162.192.249, 172.64.32.249, 173.245.58.249 and 3 other IP addresses.

Mail Servers

study4.com uses one mail server — smtp.google.com.

smtp.google.com has 9 IP addresses: 172.253.62.27, 172.253.122.26, 172.253.122.27 plus 6 more.