🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`studybuilders.com`

DNSSEC	⚠️ Not signed
A	160.153.0.191^{🇺🇸 CLOUDFLARESPECTRUM160.153.0.0/24 MWP}
		PTR	`191.0.153.160.host.secureserver.net`
NS	`ns63.domaincontrol.com` ⭐
		A	2603:5:2154::2a^{🇺🇸 GODADDY-DNS2603:5:2150::/44}
			PTR	`ns63.domaincontrol.com`
		A	97.74.101.42^{🇺🇸 GODADDY-DNS97.74.100.0/23}
			PTR	`ns63.domaincontrol.com`
NS	`ns64.domaincontrol.com`
		A	2603:5:2254::2a^{🇺🇸 GODADDY-DNS2603:5:2250::/44}
			PTR	`ns64.domaincontrol.com`
		A	173.201.69.42^{🇺🇸 GODADDY-DNS173.201.68.0/23}
			PTR	`ns64.domaincontrol.com`
MX	`studybuilders-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c902::16^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-byapr04cu00306.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::2^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch4pr04cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::1a^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch0pr02cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:f904::c^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ds0pr05cu00104.inbound.protection.outlook.com`
		A	52.101.9.18^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ia1pr04cu00102.inbound.protection.outlook.com`
		A	52.101.40.53^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy3pr05cu00205.inbound.protection.outlook.com`
		A	52.101.40.104^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cy5pr05cu00100.inbound.protection.outlook.com`
		A	52.101.60.182^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn3pr0301cu00206.inbound.protection.outlook.com`
TXT	`NETORGFT1846169.onmicrosoft.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns63.domaincontrol.com`dns@jomax.net 2026-06-05 #8

`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=1794493596

Same first word

studybuilders.com

Previous names

Next names

DNS History

5 records (4 active, 1 former)

●NSns63.domaincontrol.com2016-12-18 → 2026-11-12 · 2 obs

● 2016-12-18 21:58:28
● 2026-11-12 15:00:18

●NSns64.domaincontrol.com2016-12-18 → 2026-11-12 · 2 obs

● 2016-12-18 21:58:28
● 2026-11-12 15:00:18

●MXstudybuilders-com.mail.protection.outlook.com2016-12-18 → 2026-11-12 · 2 obs

● 2016-12-18 21:58:28
● 2026-11-12 15:00:18

●A160.153.0.1912026-09-08 → 2026-11-12 · 3 obs

○ 2016-12-18 21:58:28
● 2026-09-08 15:38:30
● 2026-11-12 15:00:18

○A160.153.136.32016-12-18 → 2016-12-18 · 3 obs

● 2016-12-18 21:58:28
○ 2026-09-08 15:38:30
○ 2026-11-12 15:00:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...	-
studybuilders.com	ns63.domaincontrol.com, ns64.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.101.42

NS records: ns63.domaincontrol.com, ns64.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studybuilders.com (unsigned zone)

⏱️ Timing

Total: 1080ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`160.153.0.191`
NS	2	`ns63.domaincontrol.com, ns64.domaincontrol.com`
MX	1	`studybuilders-com.mail.protection.outloo`
TXT	2	`NETORGFT1846169.onmicrosoft.com, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns63.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns63.domaincontrol.com, ns63.domaincontrol.com, ns64.domaincontrol.com...)

Analysis

IP Addresses

studybuilders.com points to a single IP number: 160.153.0.191.

Additional host names — sumatarapaca.cl, fourriversenergy.com, glowflowstudio.com and two others — share IP numbers with studybuilders.com.

Name Servers

studybuilders.com is served by two delegated name servers, ns63.domaincontrol.com and ns64.domaincontrol.com.

studybuilders.com shares its name server setup with other domains, including noblecarepartnershomecare.com, cielitomaya.com, sagarmp.in and two others.

Each of the two host names carries two IP addresses: ns63.domaincontrol.com points to 97.74.101.42 and 2603:5:2154::2a, and ns64.domaincontrol.com points to 173.201.69.42 and 2603:5:2254::2a.

Mail Servers

studybuilders.com has one mail server: studybuilders-com.mail.protection.outlook.com.

studybuilders-com.mail.protection.outlook.com points to 8 IP numbers: 52.101.9.18, 52.101.40.53, 52.101.40.104 and 5 other.

studybuilders.com - dns.ninja