studyguide.study - dns.ninja

🛡️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:c17::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f26.1e100.net`
		A	2607:f8b0:4004:c17::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f27.1e100.net`
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	2607:f8b0:4004:c2d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ry-in-f27.1e100.net`
		A	142.251.16.26^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f26.1e100.net`
		A	142.251.16.27^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f27.1e100.net`
		A	142.251.163.26^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f26.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
		A	192.179.18.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ry-in-f26.1e100.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=107, 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=1787421692

Same first word

studyguide.app

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.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 → 2026-08-22 · 2 obs

● 2026-08-19 06:23:16
● 2026-08-22 18:21:58

●NShera.ns.cloudflare.com2026-08-19 → 2026-08-22 · 2 obs

● 2026-08-19 06:23:16
● 2026-08-22 18:21:58

●MXsmtp.google.com2026-08-19 → 2026-08-22 · 2 obs

● 2026-08-19 06:23:16
● 2026-08-22 18:21:58

●A104.21.27.492026-08-20 → 2026-08-22 · 3 obs

○ 2026-08-19 06:23:16
● 2026-08-20 04:26:42
● 2026-08-22 18:21:58

●A172.67.168.2352026-08-20 → 2026-08-22 · 3 obs

○ 2026-08-19 06:23:16
● 2026-08-20 04:26:42
● 2026-08-22 18:21:58

○A188.114.96.02026-08-19 → 2026-08-19 · 3 obs

● 2026-08-19 06:23:16
○ 2026-08-20 04:26:42
○ 2026-08-22 18:21:58

○A188.114.97.02026-08-19 → 2026-08-19 · 3 obs

● 2026-08-19 06:23:16
○ 2026-08-20 04:26:42
○ 2026-08-22 18:21:58

●A2606:4700:3035::6815:1b312026-08-20 → 2026-08-22 · 3 obs

○ 2026-08-19 06:23:16
● 2026-08-20 04:26:42
● 2026-08-22 18:21:58

●A2606:4700:3036::ac43:a8eb2026-08-20 → 2026-08-22 · 3 obs

○ 2026-08-19 06:23:16
● 2026-08-20 04:26:42
● 2026-08-22 18:21:58

○A2a06:98c1:3120::2026-08-19 → 2026-08-19 · 3 obs

● 2026-08-19 06:23:16
○ 2026-08-20 04:26:42
○ 2026-08-22 18:21:58

○A2a06:98c1:3121::2026-08-19 → 2026-08-19 · 3 obs

● 2026-08-19 06:23:16
○ 2026-08-20 04:26:42
○ 2026-08-22 18:21:58

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:108.162.193.155

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: 482ms | 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 (z.nic.study, z.nic.study, x.nic.study...)

Analysis

IP Addresses

studyguide.study directs to four IP numbers, which are 104.21.27.49, 172.67.168.235, 2606:4700:3035::6815:1b31 and 2606:4700:3036::ac43:a8eb.

ee66.tech, create-site.by, www.ktrj.net and two other host names share IP numbers with studyguide.study.

Name Servers

Two name servers handle the delegation for studyguide.study: dilbert.ns.cloudflare.com and hera.ns.cloudflare.com.

studyguide.study uses the same name servers as several other domains — among them gradeguide.study, xhevahir.workers.dev, lucidpatrol.com and two more.

At least some of studyguide.study's name servers are shared with other domains, for example rtsp-heiqiuzhibo.com, optionclue.com, awysy.com and two more.

These name servers tend to be deployed in combination with the name servers bart.ns.cloudflare.com and kara.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

dilbert.ns.cloudflare.com resolves to 108.162.193.155, 172.64.33.155 and 173.245.59.155 among others, with 3 other IP addresses in total.

hera.ns.cloudflare.com resolves to 108.162.192.162, 172.64.32.162 and 173.245.58.162 among others, with 3 other IP addresses in total.

Mail Servers

Mail for studyguide.study is handled by a single mail server, smtp.google.com.

studyguide.study uses an identical mail server configuration to several other domains — among them nullifier.org, bagbuddy.nl, dmtix.com and two more.

studyguide.study has at least partial mail server overlap with other domains such as jaimemiller.com, traders-school.jp, goinfluenceroom.co and two more.

These mail servers commonly appear together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and two other mail servers.

smtp.google.com resolves to 9 IP addresses — 142.251.16.26, 142.251.16.27, 142.251.163.26 and 6 others.