🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`studybytech.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5a3b^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:998a^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.90.59^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.153.138^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`augustus.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c02^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`augustus.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c302^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`augustus.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2302^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`augustus.ns.cloudflare.com`
		A	108.162.195.2^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`augustus.ns.cloudflare.com`
		A	162.159.44.2^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`augustus.ns.cloudflare.com`
		A	172.64.35.2^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`augustus.ns.cloudflare.com`
NS	`aurora.ns.cloudflare.com`
		A	2606:4700:50::a29f:266e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aurora.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c26e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`aurora.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:226e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`aurora.ns.cloudflare.com`
		A	108.162.194.110^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aurora.ns.cloudflare.com`
		A	162.159.38.110^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aurora.ns.cloudflare.com`
		A	172.64.34.110^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`aurora.ns.cloudflare.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c08::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bi-in-f26.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4025:c01::1a^{🇵🇱 Google2a00:1450:4025::/48}
			PTR	`rd-in-f26.1e100.net`
		A	142.250.147.26^{🇺🇸 Google142.250.147.0/24}
			PTR	`rd-in-f26.1e100.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::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f27.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`google-site-verification=4UO8cNLoD-_RFbW9W3gUOThZDMLiqC4gd2IH9e8Y-M0`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.90.59, 172.67.153.138
		IPv6 hints	2606:4700:3033::6815:5a3b, 2606:4700:3035::ac43:998a
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=238, name=cloudflare-ech.com
SOA	`augustus.ns.cloudflare.com`dns@cloudflare.com serial=2416847385

`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=1793260036

Subdomains

www.studybytech.com

Same first word

studybytech.com

Previous names

Next names

DNS History

16 records (11 active, 5 former)

●NSaugustus.ns.cloudflare.com2026-09-09 → 2026-10-29 · 3 obs

○ 2017-05-07 19:48:38
● 2026-09-09 13:50:04
● 2026-10-29 08:17:20

●NSaurora.ns.cloudflare.com2026-09-09 → 2026-10-29 · 3 obs

○ 2017-05-07 19:48:38
● 2026-09-09 13:50:04
● 2026-10-29 08:17:20

○NSns69.domaincontrol.com2017-05-07 → 2017-05-07 · 3 obs

● 2017-05-07 19:48:38
○ 2026-09-09 13:50:04
○ 2026-10-29 08:17:20

○NSns70.domaincontrol.com2017-05-07 → 2017-05-07 · 3 obs

● 2017-05-07 19:48:38
○ 2026-09-09 13:50:04
○ 2026-10-29 08:17:20

●MXalt1.aspmx.l.google.com2026-09-09 → 2026-10-29 · 3 obs

○ 2017-05-07 19:48:38
● 2026-09-09 13:50:04
● 2026-10-29 08:17:20

●MXalt2.aspmx.l.google.com2026-09-09 → 2026-10-29 · 3 obs

○ 2017-05-07 19:48:38
● 2026-09-09 13:50:04
● 2026-10-29 08:17:20

●MXalt3.aspmx.l.google.com2026-09-09 → 2026-10-29 · 3 obs

○ 2017-05-07 19:48:38
● 2026-09-09 13:50:04
● 2026-10-29 08:17:20

●MXalt4.aspmx.l.google.com2026-09-09 → 2026-10-29 · 3 obs

○ 2017-05-07 19:48:38
● 2026-09-09 13:50:04
● 2026-10-29 08:17:20

●MXaspmx.l.google.com2026-09-09 → 2026-10-29 · 3 obs

○ 2017-05-07 19:48:38
● 2026-09-09 13:50:04
● 2026-10-29 08:17:20

○MXmailstore1.secureserver.net2017-05-07 → 2017-05-07 · 3 obs

● 2017-05-07 19:48:38
○ 2026-09-09 13:50:04
○ 2026-10-29 08:17:20

○MXsmtp.secureserver.net2017-05-07 → 2017-05-07 · 3 obs

● 2017-05-07 19:48:38
○ 2026-09-09 13:50:04
○ 2026-10-29 08:17:20

●A104.21.90.592026-09-09 → 2026-10-29 · 3 obs

○ 2017-05-07 19:48:38
● 2026-09-09 13:50:04
● 2026-10-29 08:17:20

●A172.67.153.1382026-09-09 → 2026-10-29 · 3 obs

○ 2017-05-07 19:48:38
● 2026-09-09 13:50:04
● 2026-10-29 08:17:20

●A2606:4700:3033::6815:5a3b2026-09-09 → 2026-10-29 · 3 obs

○ 2017-05-07 19:48:38
● 2026-09-09 13:50:04
● 2026-10-29 08:17:20

●A2606:4700:3035::ac43:998a2026-09-09 → 2026-10-29 · 3 obs

○ 2017-05-07 19:48:38
● 2026-09-09 13:50:04
● 2026-10-29 08:17:20

○A50.63.202.362017-05-07 → 2017-05-07 · 3 obs

● 2017-05-07 19:48:38
○ 2026-09-09 13:50:04
○ 2026-10-29 08:17:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net...	-
studybytech.com	aurora.ns.cloudflare.com, augustus.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.110

NS records: aurora.ns.cloudflare.com, augustus.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studybytech.com (unsigned zone)

⏱️ Timing

Total: 419ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.90.59, 172.67.153.138`
AAAA	2	`2606:4700:3035::ac43:998a, 2606:4700:3033::6815:5a3b`
NS	2	`augustus.ns.cloudflare.com, aurora.ns.cloudflare.com`
MX	5	`aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=4UO8cNLoD-_RFbW, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`augustus.ns.cloudflare.com dns.cloudflar`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

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

IP Addresses

studybytech.com has four IP addresses: 104.21.90.59, 172.67.153.138, 2606:4700:3033::6815:5a3b and 2606:4700:3035::ac43:998a.

Two other host names, along with slsysh.com, afun-casino.com and sekolahislamkalsel.org, also share IP numbers with studybytech.com.

Name Servers

Two name servers handle the delegation for studybytech.com: augustus.ns.cloudflare.com and aurora.ns.cloudflare.com.

studybytech.com shares its NS records with other domains, for example stkip-her.pages.dev, le-kot.pages.dev, press-continue.com and two others.

studybytech.com has at least partial name server overlap with other domains, such as recoveryhealthcareexperts.com, zhujx.net, movingunpacked.pages.dev and two others.

It is common to find these name servers paired with the name servers laura.ns.cloudflare.com, cody.ns.cloudflare.com, gannon.ns.cloudflare.com and ruth.ns.cloudflare.com.

DNS names with 6 IP addresses:

augustus.ns.cloudflare.com resolves to 108.162.195.2, 162.159.44.2 and 172.64.35.2 among others, with 3 other IP addresses in total.

aurora.ns.cloudflare.com resolves to 108.162.194.110, 162.159.38.110 and 172.64.34.110 among others, with 3 other IP addresses in total.

Mail Servers

Mail for studybytech.com is handled by five mail servers, namely 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 studybytech.com and other domains, including jasminegercke.com, removallabllc.com, andylark.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, aspmx3.googlemail.com and 4 others.

Host names that have two IP addresses:

aspmx.l.google.com resolves to two addresses: 142.251.163.27 and 2607:f8b0:4004:c08::1a.

alt1.aspmx.l.google.com resolves to two addresses: 192.178.234.27 and 2800:3f0:4003:c14::1b.

alt2.aspmx.l.google.com resolves to two addresses: 142.250.147.26 and 2a00:1450:4025:c01::1a.

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

alt4.aspmx.l.google.com resolves to two addresses: 172.253.157.26 and 2a00:1450:400c:c23::1b.

studybytech.com - robtex.com

studybytech.com

com

Subdomains

Same first word

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`studybytech.com`

`com`