🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`builderstudy.com`

DNSSEC	⚠️ Not signed
A	162.159.143.30^{Cloudflare162.159.128.0/19 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
A	172.66.3.26^{🇺🇸 Cloudflare172.66.0.0/22 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns41.domaincontrol.com` ⭐
		A	2603:5:2142::15^{🇺🇸 GODADDY-DNS2603:5:2140::/44}
			PTR	`ns41.domaincontrol.com`
		A	97.74.100.21^{🇺🇸 GODADDY-DNS97.74.100.0/23}
			PTR	`ns41.domaincontrol.com`
NS	`ns42.domaincontrol.com`
		A	2603:5:2242::15^{🇺🇸 GODADDY-DNS2603:5:2240::/44}
			PTR	`ns42.domaincontrol.com`
		A	173.201.68.21^{🇺🇸 GODADDY-DNS173.201.68.0/23}
			PTR	`ns42.domaincontrol.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c17::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f27.1e100.net`
		A	172.253.122.27^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-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::1b^{🇵🇱 Google2a00:1450:4025::/48}
			PTR	`rd-in-f27.1e100.net`
		A	142.250.147.27^{🇺🇸 Google142.250.147.0/24}
			PTR	`rd-in-f27.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.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	172.253.157.27^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f27.1e100.net`
TXT	`google-site-verification=WdtaJ6ADDKH6VYvIiny1XJHrzGwaYnHdm9L46ophjMc`
TXT	`v=spf1 include:dc-aa8e722993._spfm.builderstudy.com ~all`
SOA	`ns41.domaincontrol.com`dns@jomax.net 2026-09-25 #2

`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=1794618381

Same first word

builderstudy.us

builderstudy.com

builderstudy.xyz

Similar names

rebuildstudy.ca

studybuilder.ai

studybuilder.ph

studybuilder.com

studybuilder.de

Previous names

Next names

DNS History

18 records (9 active, 9 former)

○NSns37.domaincontrol.com2019-01-20 → 2019-01-20 · 3 obs

● 2019-01-20 07:22:14
○ 2026-11-12 11:29:42
○ 2026-11-14 01:14:28

○NSns38.domaincontrol.com2019-01-20 → 2019-01-20 · 3 obs

● 2019-01-20 07:22:14
○ 2026-11-12 11:29:42
○ 2026-11-14 01:14:28

●NSns41.domaincontrol.com2026-11-12 → 2026-11-14 · 3 obs

○ 2019-01-20 07:22:14
● 2026-11-12 11:29:42
● 2026-11-14 01:14:28

●NSns42.domaincontrol.com2026-11-12 → 2026-11-14 · 3 obs

○ 2019-01-20 07:22:14
● 2026-11-12 11:29:42
● 2026-11-14 01:14:28

●MXalt1.aspmx.l.google.com2026-11-12 → 2026-11-14 · 2 obs

● 2026-11-12 11:29:42
● 2026-11-14 01:14:28

●MXalt2.aspmx.l.google.com2026-11-12 → 2026-11-14 · 2 obs

● 2026-11-12 11:29:42
● 2026-11-14 01:14:28

●MXalt3.aspmx.l.google.com2026-11-12 → 2026-11-14 · 2 obs

● 2026-11-12 11:29:42
● 2026-11-14 01:14:28

●MXalt4.aspmx.l.google.com2026-11-12 → 2026-11-14 · 2 obs

● 2026-11-12 11:29:42
● 2026-11-14 01:14:28

●MXaspmx.l.google.com2026-11-12 → 2026-11-14 · 2 obs

● 2026-11-12 11:29:42
● 2026-11-14 01:14:28

●A162.159.143.302026-11-12 → 2026-11-14 · 3 obs

○ 2019-01-20 07:22:14
● 2026-11-12 11:29:42
● 2026-11-14 01:14:28

●A172.66.3.262026-11-12 → 2026-11-14 · 3 obs

○ 2019-01-20 07:22:14
● 2026-11-12 11:29:42
● 2026-11-14 01:14:28

○A184.168.221.322019-01-20 → 2019-01-20 · 3 obs

● 2019-01-20 07:22:14
○ 2026-11-12 11:29:42
○ 2026-11-14 01:14:28

○A184.168.221.422019-01-20 → 2019-01-20 · 3 obs

● 2019-01-20 07:22:14
○ 2026-11-12 11:29:42
○ 2026-11-14 01:14:28

○A184.168.221.502019-01-20 → 2019-01-20 · 3 obs

● 2019-01-20 07:22:14
○ 2026-11-12 11:29:42
○ 2026-11-14 01:14:28

○A184.168.221.552019-01-20 → 2019-01-20 · 3 obs

● 2019-01-20 07:22:14
○ 2026-11-12 11:29:42
○ 2026-11-14 01:14:28

○A50.63.202.412019-01-20 → 2019-01-20 · 3 obs

● 2019-01-20 07:22:14
○ 2026-11-12 11:29:42
○ 2026-11-14 01:14:28

○A50.63.202.572019-01-20 → 2019-01-20 · 3 obs

● 2019-01-20 07:22:14
○ 2026-11-12 11:29:42
○ 2026-11-14 01:14:28

○A50.63.202.622019-01-20 → 2019-01-20 · 3 obs

● 2019-01-20 07:22:14
○ 2026-11-12 11:29:42
○ 2026-11-14 01:14:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net...	-
builderstudy.com	ns41.domaincontrol.com, ns42.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.68.21

NS records: ns41.domaincontrol.com, ns42.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for builderstudy.com (unsigned zone)

⏱️ Timing

Total: 172ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.66.3.26, 162.159.143.30`
NS	2	`ns42.domaincontrol.com, ns41.domaincontrol.com`
MX	5	`alt4.aspmx.l.google.com (pri: 10), alt3.aspmx.l.google.com (pri: 10)...`
TXT	2	`google-site-verification=WdtaJ6ADDKH6VYv, v=spf1 include:dc-aa8e722993._spfm.build`
SOA	1	`ns41.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns41.domaincontrol.com, ns41.domaincontrol.com, ns42.domaincontrol.com...)

Analysis

IP Addresses

builderstudy.com resolves to the IP addresses 162.159.143.30 and 172.66.3.26

Two other host names, along with altdomsvech.ru, rehappilymarried.com and slainvictorious.art, also share IP numbers with builderstudy.com.

Name Servers

The NS records for builderstudy.com delegate to ns41.domaincontrol.com and ns42.domaincontrol.com.

builderstudy.com shares its NS records with other domains, for example peaksmama.com, alltheviral.com, therestisbooks.co.uk and two others.

ns41.domaincontrol.com resolves to 97.74.100.21 and 2603:5:2142::15. Likewise, ns42.domaincontrol.com resolves to 173.201.68.21 and 2603:5:2242::15 — two IP addresses apiece.

Mail Servers

builderstudy.com is handled by five mail servers: 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 builderstudy.com and other domains, including sportnign.com, princetonventure.studio, kat-huber.com and two others.

These mail servers frequently co-occur with the mail servers alt4.aspmx.l.google.com, alt3.aspmx.l.google.com, aspmx2.googlemail.com and two others.

Host names that have two IP addresses:

The A records for aspmx.l.google.com return 172.253.122.27 and 2607:f8b0:4004:c17::1b.

The A records for alt1.aspmx.l.google.com return 192.178.234.27 and 2800:3f0:4003:c14::1b.

The A records for alt2.aspmx.l.google.com return 142.250.147.27 and 2a00:1450:4025:c01::1b.

The A records for alt3.aspmx.l.google.com return 192.178.223.27 and 2a00:1450:4009:c0f::1a.

The A records for alt4.aspmx.l.google.com return 172.253.157.27 and 2a00:1450:400c:c23::1b.