🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`studyguide.study`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:1b31^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:a8eb^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.27.49^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.168.235^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dilbert.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dilbert.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dilbert.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dilbert.ns.cloudflare.com`
		A	108.162.193.155^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dilbert.ns.cloudflare.com`
		A	172.64.33.155^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dilbert.ns.cloudflare.com`
		A	173.245.59.155^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dilbert.ns.cloudflare.com`
NS	`hera.ns.cloudflare.com`
		A	2606:4700:50::adf5:3aa2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0a2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hera.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20a2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hera.ns.cloudflare.com`
		A	108.162.192.162^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
		A	172.64.32.162^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
		A	173.245.58.162^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hera.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c1d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f26.1e100.net`
		A	2607:f8b0:4004:c1d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f27.1e100.net`
		A	2607:f8b0:4004:c2d::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ry-in-f26.1e100.net`
		A	2607:f8b0:4004:c2d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ry-in-f27.1e100.net`
		A	142.251.167.26^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f26.1e100.net`
		A	142.251.167.27^{🇺🇸 Google142.251.167.0/24}
			PTR	`ww-in-f27.1e100.net`
		A	192.178.155.26^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	192.179.18.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ry-in-f26.1e100.net`
		A	192.179.18.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ry-in-f27.1e100.net`
TXT	`google-site-verification=kOLAks3ntf9XavFVWSPjTDuv_nZM9qhnqgvjzu0M40g`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.27.49, 172.67.168.235
		IPv6 hints	2606:4700:3035::6815:1b31, 2606:4700:3036::ac43:a8eb
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=89, name=cloudflare-ech.com
SOA	`dilbert.ns.cloudflare.com`dns@cloudflare.com serial=2412559025

`study`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.study` ⭐
	NS	`b.nic.study`
	NS	`c.nic.study`
	NS	`x.nic.study`
	NS	`y.nic.study`
	NS	`z.nic.study`
	SOA	`a.nic.study`admin@tldns.godaddy serial=1787726809

Same first word

studyguide.app

studyguide.website

studyguide.eu

studyguide.com

studyguide.co.uk

studyguide.com.au

studyguide.ca

studyguide.co.in

studyguide.study

studyguide.org

studyguide.ch

studyguide.at

studyguide.cn

studyguide.co

studyguide.us

studyguide.cfd

studyguide.education

studyguide.de

studyguide.gr

studyguide.net

Similar names

guidestudy.com

guidestudy.us

guidestudy.tv

guidestudy.info

Previous names

Next names

DNS History

11 records (7 active, 4 former)

●NSdilbert.ns.cloudflare.com2026-08-19 → 2026-08-26 · 2 obs

● 2026-08-19 06:23:16
● 2026-08-26 07:31:36

●NShera.ns.cloudflare.com2026-08-19 → 2026-08-26 · 2 obs

● 2026-08-19 06:23:16
● 2026-08-26 07:31:36

●MXsmtp.google.com2026-08-19 → 2026-08-26 · 2 obs

● 2026-08-19 06:23:16
● 2026-08-26 07:31:36

●A104.21.27.492026-08-20 → 2026-08-26 · 7 obs

○ 2026-08-19 06:23:16
● 2026-08-20 04:26:42
○ 2026-08-23 09:20:36
● 2026-08-24 00:22:46
○ 2026-08-25 19:19:24
● 2026-08-26 07:31:34
● 2026-08-26 07:31:36

●A172.67.168.2352026-08-20 → 2026-08-26 · 7 obs

○ 2026-08-19 06:23:16
● 2026-08-20 04:26:42
○ 2026-08-23 09:20:36
● 2026-08-24 00:22:46
○ 2026-08-25 19:19:24
● 2026-08-26 07:31:34
● 2026-08-26 07:31:36

○A188.114.96.02026-08-19 → 2026-08-25 · 7 obs

● 2026-08-19 06:23:16
○ 2026-08-20 04:26:42
● 2026-08-23 09:20:36
○ 2026-08-24 00:22:46
● 2026-08-25 19:19:24
○ 2026-08-26 07:31:34
○ 2026-08-26 07:31:36

○A188.114.97.02026-08-19 → 2026-08-25 · 7 obs

● 2026-08-19 06:23:16
○ 2026-08-20 04:26:42
● 2026-08-23 09:20:36
○ 2026-08-24 00:22:46
● 2026-08-25 19:19:24
○ 2026-08-26 07:31:34
○ 2026-08-26 07:31:36

●A2606:4700:3035::6815:1b312026-08-20 → 2026-08-26 · 7 obs

○ 2026-08-19 06:23:16
● 2026-08-20 04:26:42
○ 2026-08-23 09:20:36
● 2026-08-24 00:22:46
○ 2026-08-25 19:19:24
● 2026-08-26 07:31:34
● 2026-08-26 07:31:36

●A2606:4700:3036::ac43:a8eb2026-08-20 → 2026-08-26 · 7 obs

○ 2026-08-19 06:23:16
● 2026-08-20 04:26:42
○ 2026-08-23 09:20:36
● 2026-08-24 00:22:46
○ 2026-08-25 19:19:24
● 2026-08-26 07:31:34
● 2026-08-26 07:31:36

○A2a06:98c1:3120::2026-08-19 → 2026-08-25 · 7 obs

● 2026-08-19 06:23:16
○ 2026-08-20 04:26:42
● 2026-08-23 09:20:36
○ 2026-08-24 00:22:46
● 2026-08-25 19:19:24
○ 2026-08-26 07:31:34
○ 2026-08-26 07:31:36

○A2a06:98c1:3121::2026-08-19 → 2026-08-25 · 7 obs

● 2026-08-19 06:23:16
○ 2026-08-20 04:26:42
● 2026-08-23 09:20:36
○ 2026-08-24 00:22:46
● 2026-08-25 19:19:24
○ 2026-08-26 07:31:34
○ 2026-08-26 07:31:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
study	x.nic.study, c.nic.study, a.nic.study, b.nic.study...	12 records
studyguide.study	hera.ns.cloudflare.com, dilbert.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.155

NS records: hera.ns.cloudflare.com, dilbert.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyguide.study (unsigned zone)

⏱️ Timing

Total: 1014ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.27.49, 172.67.168.235`
AAAA	2	`2606:4700:3036::ac43:a8eb, 2606:4700:3035::6815:1b31`
NS	2	`dilbert.ns.cloudflare.com, hera.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=kOLAks3ntf9XavF, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dilbert.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.study, b.nic.study, c.nic.study...)

Analysis

IP Addresses

studyguide.study resolves to four IP addresses: 104.21.27.49, 172.67.168.235, 2606:4700:3035::6815:1b31 and 2606:4700:3036::ac43:a8eb.

Two other host names, along with lolajackpoland.com, ee66.tech and create-site.by, also share IP numbers with studyguide.study.

Name Servers

studyguide.study is delegated to two name servers: dilbert.ns.cloudflare.com and hera.ns.cloudflare.com.

studyguide.study shares its NS records with other domains, for example gradeguide.study, xhevahir.workers.dev, lucidpatrol.com and two others.

studyguide.study shares at least some of its name servers with other domains, including rtsp-heiqiuzhibo.com, optionclue.com, awysy.com and two others.

These name servers are frequently paired with the name servers bart.ns.cloudflare.com and kara.ns.cloudflare.com.

DNS names with 6 IP addresses:

dilbert.ns.cloudflare.com resolves to 108.162.193.155, 172.64.33.155, 173.245.59.155 and 3 other IP addresses.

hera.ns.cloudflare.com resolves to 108.162.192.162, 172.64.32.162, 173.245.58.162 and 3 other IP addresses.

Mail Servers

The sole mail server for studyguide.study is smtp.google.com.

Among the domains sharing a mail server setup with studyguide.study are nullifier.org, bagbuddy.nl, dmtix.com and two others.

There is at least a partial MX overlap between studyguide.study and other domains, including jaimemiller.com, traders-school.jp, goinfluenceroom.co and two others.

These mail servers frequently co-occur with the mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two others.

With 9 IP addresses total, smtp.google.com resolves to 142.251.167.26, 142.251.167.27, 192.178.155.26 and 6 others.

studyguide.study - robtex.com