topstudy.com - dns.ninja

`topstudy.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:2fcd^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:ac76^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.47.205^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.172.118^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`darl.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b62^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c162^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`darl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2162^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`darl.ns.cloudflare.com`
		A	108.162.193.98^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	172.64.33.98^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
		A	173.245.59.98^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`darl.ns.cloudflare.com`
NS	`natasha.ns.cloudflare.com`
		A	2606:4700:50::a29f:2675^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`natasha.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c275^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`natasha.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2275^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`natasha.ns.cloudflare.com`
		A	108.162.194.117^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`natasha.ns.cloudflare.com`
		A	162.159.38.117^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`natasha.ns.cloudflare.com`
		A	172.64.34.117^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`natasha.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c0b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f26.1e100.net`
		A	172.253.115.26^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.27^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=FBzzvnev1vLL_SaWk6lJEu4tw6rRbOtFLpgF_8a6M4o`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.47.205, 172.67.172.118
		IPv6 hints	2606:4700:3031::6815:2fcd, 2606:4700:3034::ac43:ac76
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=211, name=cloudflare-ech.com
SOA	`darl.ns.cloudflare.com`dns@cloudflare.com serial=2406740938

`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=1783821037

WOT: SAFE (60/100)

Subdomains

www.topstudy.com

Same first word

topstudy.com

topstudy.info

topstudy.it

topstudy.cn

Similar names

dutypost.com

studypot.jp

DNS History

22 records (11 active, 11 former)

○NSbuy.internettraffic.com2015-07-12 → 2015-11-13 · 4 obs

● 2015-07-12 10:40:22
● 2015-11-13 23:38:00
○ 2017-02-12 09:28:00
○ 2026-07-12 02:20:44

●NSdarl.ns.cloudflare.com2026-03-21 → 2026-07-12 · 3 obs

○ 2019-02-06 16:11:30
● 2026-03-21 08:58:36
● 2026-07-12 02:20:44

●NSnatasha.ns.cloudflare.com2026-03-21 → 2026-07-12 · 3 obs

○ 2019-02-06 16:11:30
● 2026-03-21 08:58:36
● 2026-07-12 02:20:44

○NSns1.digitalocean.com2026-03-21 → 2026-03-27 · 5 obs

○ 2019-02-06 16:11:30
● 2026-03-21 08:58:36
● 2026-03-27 20:40:32
○ 2026-07-12 02:20:40
○ 2026-07-12 02:20:44

○NSns11.domaincontrol.com2017-02-12 → 2019-02-06 · 5 obs

○ 2015-11-13 23:38:00
● 2017-02-12 09:28:00
● 2019-02-06 16:11:30
○ 2026-03-21 08:58:36
○ 2026-07-12 02:20:44

○NSns12.domaincontrol.com2017-02-12 → 2019-02-06 · 5 obs

○ 2015-11-13 23:38:00
● 2017-02-12 09:28:00
● 2019-02-06 16:11:30
○ 2026-03-21 08:58:36
○ 2026-07-12 02:20:44

○NSns2.digitalocean.com2026-03-21 → 2026-03-27 · 5 obs

○ 2019-02-06 16:11:30
● 2026-03-21 08:58:36
● 2026-03-27 20:40:32
○ 2026-07-12 02:20:40
○ 2026-07-12 02:20:44

○NSns3.digitalocean.com2026-03-21 → 2026-03-27 · 5 obs

○ 2019-02-06 16:11:30
● 2026-03-21 08:58:36
● 2026-03-27 20:40:32
○ 2026-07-12 02:20:40
○ 2026-07-12 02:20:44

○NSsell.internettraffic.com2015-07-12 → 2015-11-13 · 4 obs

● 2015-07-12 10:40:22
● 2015-11-13 23:38:00
○ 2017-02-12 09:28:00
○ 2026-07-12 02:20:44

●MXalt1.aspmx.l.google.com2017-02-12 → 2026-07-12 · 2 obs

● 2017-02-12 09:28:00
● 2026-07-12 02:20:44

●MXalt2.aspmx.l.google.com2017-02-12 → 2026-07-12 · 2 obs

● 2017-02-12 09:28:00
● 2026-07-12 02:20:44

●MXalt3.aspmx.l.google.com2017-02-12 → 2026-07-12 · 2 obs

● 2017-02-12 09:28:00
● 2026-07-12 02:20:44

●MXalt4.aspmx.l.google.com2017-02-12 → 2026-07-12 · 2 obs

● 2017-02-12 09:28:00
● 2026-07-12 02:20:44

●MXaspmx.l.google.com2017-02-12 → 2026-07-12 · 2 obs

● 2017-02-12 09:28:00
● 2026-07-12 02:20:44

●A104.21.47.2052026-07-12 → 2026-07-12 · 3 obs

○ 2026-03-27 20:40:32
● 2026-07-12 02:20:40
● 2026-07-12 02:20:44

○A164.92.143.892026-03-21 → 2026-03-27 · 5 obs

○ 2019-02-06 16:11:30
● 2026-03-21 08:58:36
● 2026-03-27 20:40:32
○ 2026-07-12 02:20:40
○ 2026-07-12 02:20:44

●A172.67.172.1182026-07-12 → 2026-07-12 · 3 obs

○ 2026-03-27 20:40:32
● 2026-07-12 02:20:40
● 2026-07-12 02:20:44

●A2606:4700:3031::6815:2fcd2026-07-12 → 2026-07-12 · 3 obs

○ 2026-03-27 20:40:32
● 2026-07-12 02:20:40
● 2026-07-12 02:20:44

●A2606:4700:3034::ac43:ac762026-07-12 → 2026-07-12 · 3 obs

○ 2026-03-27 20:40:32
● 2026-07-12 02:20:40
● 2026-07-12 02:20:44

○A54.183.99.632016-02-06 → 2016-04-30 · 5 obs

○ 2015-11-13 23:38:00
● 2016-02-06 02:03:34
● 2016-04-30 12:42:00
○ 2017-02-12 09:28:00
○ 2026-07-12 02:20:44

○A69.172.201.2082015-07-12 → 2015-11-13 · 4 obs

● 2015-07-12 10:40:22
● 2015-11-13 23:38:00
○ 2016-02-06 02:03:34
○ 2026-07-12 02:20:44

○A94.102.76.672017-02-12 → 2019-02-06 · 5 obs

○ 2016-04-30 12:42:00
● 2017-02-12 09:28:00
● 2019-02-06 16:11:30
○ 2026-03-21 08:58:36
○ 2026-07-12 02:20:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net...	-
topstudy.com	darl.ns.cloudflare.com, natasha.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.117

NS records: darl.ns.cloudflare.com, natasha.ns.cloudflare.com

🔒 DNSSEC Status

❌ Bogus (DNSSEC validation failed)

Validation error at com: Error: DNS query timeout: 192.54.112.30 for DNSKEY com

⏱️ Timing

Total: 3129ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.47.205, 172.67.172.118`
AAAA	2	`2606:4700:3031::6815:2fcd, 2606:4700:3034::ac43:ac76`
NS	2	`darl.ns.cloudflare.com, natasha.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=FBzzvnev1vLL_Sa, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`darl.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

www.topstudy.com is a subdomain of topstudy.com.

IP Addresses

topstudy.com points to the four IP addresses 104.21.47.205, 172.67.172.118, 2606:4700:3031::6815:2fcd and 2606:4700:3034::ac43:ac76.

Two other host names, along with fullofliberty.com, max88.mx and uu485.com, also share IP numbers with topstudy.com.

Name Servers

DNS delegation for topstudy.com points to two name servers: darl.ns.cloudflare.com and natasha.ns.cloudflare.com.

topstudy.com shares its NS records with other domains, for example my-secure.net, omnigos.com, timesocial.co and two others.

The name servers of topstudy.com overlap at least partially with those of other domains — among them bemo4dmeriah.store, qmsqs.com, areawarisan.com and two more.

These name servers commonly appear alongside the name servers rosa.ns.cloudflare.com and donald.ns.cloudflare.com.

DNS names with 6 IP addresses:

darl.ns.cloudflare.com has IP addresses 108.162.193.98, 172.64.33.98 and 173.245.59.98, plus 3 other.

natasha.ns.cloudflare.com has IP addresses 108.162.194.117, 162.159.38.117 and 172.64.34.117, plus 3 other.

Mail Servers

topstudy.com has five mail servers, which are aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

There is at least a partial MX overlap between topstudy.com and other domains, including ns500841.ns500841.ns500821.ns500821.ns500794.ns500821.ns500794.ns500821.ns500821.ns500821.ns500790.ns500795.lustypartnersfinder.com, getnotehouse.com, happenstancehomes.com and two others.

These mail servers tend to appear in combination with mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and 3 others.

Host names that have two IP addresses:

aspmx.l.google.com has two IP addresses: 172.253.115.26 and 2607:f8b0:4004:c0b::1a.

alt1.aspmx.l.google.com has two IP addresses: 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1b.

alt3.aspmx.l.google.com has two IP addresses: 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com has two IP addresses: 172.253.157.27 and 2a00:1450:400c:c23::1a.