🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`studytestprep.com`

DNSSEC	⚠️ Not signed
A	216.24.57.1^{🇺🇸 AS397273216.24.57.0/24 655 5th St 19 San Francisco CA 94107 United States}
		PTR	`ip-216-24-57-1.ingress.render.com`
NS	`ns-cloud-c1.googledomains.com` ⭐
		A	2001:4860:4802:32::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c1.googledomains.com`
		A	216.239.32.108^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-c1.googledomains.com`
NS	`ns-cloud-c2.googledomains.com`
		A	2001:4860:4802:34::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c2.googledomains.com`
		A	216.239.34.108^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-c2.googledomains.com`
NS	`ns-cloud-c3.googledomains.com`
		A	2001:4860:4802:36::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c3.googledomains.com`
		A	216.239.36.108^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-c3.googledomains.com`
NS	`ns-cloud-c4.googledomains.com`
		A	2001:4860:4802:38::6c^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-c4.googledomains.com`
		A	216.239.38.108^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-c4.googledomains.com`
TXT	`v=spf1 -all`
SOA	`ns-cloud-c1.googledomains.com`cloud-dns-hostmaster@google.com serial=1

`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=1791680524

Same first word

studytestprep.com

Previous names

Next names

DNS History

8 records (5 active, 3 former)

●NSns-cloud-c1.googledomains.com2026-09-05 → 2026-10-11 · 3 obs

○ 2019-12-15 03:17:50
● 2026-09-05 10:23:42
● 2026-10-11 03:40:26

●NSns-cloud-c2.googledomains.com2026-09-05 → 2026-10-11 · 3 obs

○ 2019-12-15 03:17:50
● 2026-09-05 10:23:42
● 2026-10-11 03:40:26

●NSns-cloud-c3.googledomains.com2026-09-05 → 2026-10-11 · 3 obs

○ 2019-12-15 03:17:50
● 2026-09-05 10:23:42
● 2026-10-11 03:40:26

●NSns-cloud-c4.googledomains.com2026-09-05 → 2026-10-11 · 3 obs

○ 2019-12-15 03:17:50
● 2026-09-05 10:23:42
● 2026-10-11 03:40:26

○NSns63.domaincontrol.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 03:17:50
○ 2026-09-05 10:23:42
○ 2026-10-11 03:40:26

○NSns64.domaincontrol.com2019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 03:17:50
○ 2026-09-05 10:23:42
○ 2026-10-11 03:40:26

●A216.24.57.12026-09-05 → 2026-10-11 · 3 obs

○ 2019-12-15 03:17:50
● 2026-09-05 10:23:42
● 2026-10-11 03:40:26

○A50.63.202.512019-12-15 → 2019-12-15 · 3 obs

● 2019-12-15 03:17:50
○ 2026-09-05 10:23:42
○ 2026-10-11 03:40:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net...	-
studytestprep.com	ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com	8 records

✅ Authoritative Response

Server:216.239.32.108

NS records: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studytestprep.com (unsigned zone)

⏱️ Timing

Total: 638ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.24.57.1`
NS	4	`ns-cloud-c2.googledomains.com, ns-cloud-c1.googledomains.com...`
TXT	1	`v=spf1 -all`
SOA	1	`ns-cloud-c1.googledomains.com cloud-dns-`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-c1.googledomains.com, ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com...)

Analysis

IP Addresses

studytestprep.com has exactly one IP address — 216.24.57.1.

byline.so, lawton-connect.com, orkiai.com plus two other host names have IP numbers in common with studytestprep.com.

Name Servers

Four name servers handle the delegation for studytestprep.com: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com.

studytestprep.com partially shares its NS delegation with several other domains, including sloanetalentlinks.com, alliancesuprm.ca, trustedhandsllc.com and two others.

ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com and ns-cloud-c4.googledomains.com each carry two IP addresses. ns-cloud-c1.googledomains.com has 216.239.32.108 and 2001:4860:4802:32::6c; ns-cloud-c2.googledomains.com has 216.239.34.108 and 2001:4860:4802:34::6c; ns-cloud-c3.googledomains.com has 216.239.36.108 and 2001:4860:4802:36::6c; ns-cloud-c4.googledomains.com has 216.239.38.108 and 2001:4860:4802:38::6c.

studytestprep.com - robtex.com