🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`coretestprep.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:22d8^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:a597^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.34.216^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.165.151^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`nelly.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3ad1^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nelly.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d1^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nelly.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d1^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nelly.ns.cloudflare.com`
		A	108.162.192.209^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	172.64.32.209^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
		A	173.245.58.209^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ruben.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c47^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruben.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c347^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ruben.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2347^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ruben.ns.cloudflare.com`
		A	108.162.195.71^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruben.ns.cloudflare.com`
		A	162.159.44.71^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruben.ns.cloudflare.com`
		A	172.64.35.71^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruben.ns.cloudflare.com`
MX	`inbound-smtp.us-east-1.amazonaws.com` ⭐
		A	3.211.210.226^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-211-210-226.compute-1.amazonaws.com`
		A	44.206.9.87^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-206-9-87.compute-1.amazonaws.com`
		A	44.210.166.32^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-210-166-32.compute-1.amazonaws.com`
		A	54.164.173.191^{🇺🇸 Amazon54.164.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-164-173-191.compute-1.amazonaws.com`
		A	54.197.5.236^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
TXT	`google-site-verification=jIpgbJ76LMgyxLVdAejgtp0XOhRi-hx41drQah9E1ZQ`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.34.216, 172.67.165.151
		IPv6 hints	2606:4700:3031::6815:22d8, 2606:4700:3034::ac43:a597
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=5, name=cloudflare-ech.com
SOA	`nelly.ns.cloudflare.com`dns@cloudflare.com serial=2417544626

`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=1794766128

Same first word

coretestprep.com

Similar names

prospecttree.com

perceptstore.com

receptposter.se

copperstreet.com

prepostcrete.com

esperprotect.com

toppersecret.store

perceptstore.org

toppersecret.in

Previous names

Next names

DNS History

16 records (7 active, 9 former)

●NSnelly.ns.cloudflare.com2026-08-26 → 2026-11-15 · 3 obs

○ 2020-02-29 17:02:14
● 2026-08-26 22:46:50
● 2026-11-15 18:27:00

○NSpdns03.domaincontrol.com2015-05-22 → 2017-02-08 · 4 obs

● 2015-05-22 13:18:34
● 2017-02-08 09:03:50
○ 2020-02-29 17:02:14
○ 2026-11-15 18:27:00

○NSpdns04.domaincontrol.com2015-05-22 → 2017-02-08 · 4 obs

● 2015-05-22 13:18:34
● 2017-02-08 09:03:50
○ 2020-02-29 17:02:14
○ 2026-11-15 18:27:00

●NSruben.ns.cloudflare.com2026-08-26 → 2026-11-15 · 3 obs

○ 2020-02-29 17:02:14
● 2026-08-26 22:46:50
● 2026-11-15 18:27:00

●MXinbound-smtp.us-east-1.amazonaws.com2026-08-26 → 2026-11-15 · 3 obs

○ 2020-02-29 17:02:14
● 2026-08-26 22:46:50
● 2026-11-15 18:27:00

○MXmailstore1.secureserver.net2015-05-22 → 2017-02-08 · 4 obs

● 2015-05-22 13:18:34
● 2017-02-08 09:03:50
○ 2020-02-29 17:02:14
○ 2026-11-15 18:27:00

○MXsmtp.secureserver.net2015-05-22 → 2017-02-08 · 4 obs

● 2015-05-22 13:18:34
● 2017-02-08 09:03:50
○ 2020-02-29 17:02:14
○ 2026-11-15 18:27:00

●A104.21.34.2162026-09-30 → 2026-11-15 · 7 obs

○ 2026-08-26 22:46:50
● 2026-09-30 07:23:06
○ 2026-10-27 06:13:58
● 2026-11-04 16:54:30
○ 2026-11-07 20:31:32
● 2026-11-12 17:45:02
● 2026-11-15 18:27:00

●A172.67.165.1512026-09-30 → 2026-11-15 · 7 obs

○ 2026-08-26 22:46:50
● 2026-09-30 07:23:06
○ 2026-10-27 06:13:58
● 2026-11-04 16:54:30
○ 2026-11-07 20:31:32
● 2026-11-12 17:45:02
● 2026-11-15 18:27:00

○A188.114.96.02026-08-26 → 2026-11-07 · 8 obs

○ 2020-02-29 17:02:14
● 2026-08-26 22:46:50
○ 2026-09-30 07:23:06
● 2026-10-27 06:13:58
○ 2026-11-04 16:54:30
● 2026-11-07 20:31:32
○ 2026-11-12 17:45:02
○ 2026-11-15 18:27:00

○A188.114.97.02026-08-26 → 2026-11-07 · 8 obs

○ 2020-02-29 17:02:14
● 2026-08-26 22:46:50
○ 2026-09-30 07:23:06
● 2026-10-27 06:13:58
○ 2026-11-04 16:54:30
● 2026-11-07 20:31:32
○ 2026-11-12 17:45:02
○ 2026-11-15 18:27:00

●A2606:4700:3031::6815:22d82026-09-30 → 2026-11-15 · 7 obs

○ 2026-08-26 22:46:50
● 2026-09-30 07:23:06
○ 2026-10-27 06:13:58
● 2026-11-04 16:54:30
○ 2026-11-07 20:31:32
● 2026-11-12 17:45:02
● 2026-11-15 18:27:00

●A2606:4700:3034::ac43:a5972026-09-30 → 2026-11-15 · 7 obs

○ 2026-08-26 22:46:50
● 2026-09-30 07:23:06
○ 2026-10-27 06:13:58
● 2026-11-04 16:54:30
○ 2026-11-07 20:31:32
● 2026-11-12 17:45:02
● 2026-11-15 18:27:00

○A2a06:98c1:3120::2026-08-26 → 2026-11-07 · 8 obs

○ 2020-02-29 17:02:14
● 2026-08-26 22:46:50
○ 2026-09-30 07:23:06
● 2026-10-27 06:13:58
○ 2026-11-04 16:54:30
● 2026-11-07 20:31:32
○ 2026-11-12 17:45:02
○ 2026-11-15 18:27:00

○A2a06:98c1:3121::2026-08-26 → 2026-11-07 · 8 obs

○ 2020-02-29 17:02:14
● 2026-08-26 22:46:50
○ 2026-09-30 07:23:06
● 2026-10-27 06:13:58
○ 2026-11-04 16:54:30
● 2026-11-07 20:31:32
○ 2026-11-12 17:45:02
○ 2026-11-15 18:27:00

○A66.55.156.672015-05-22 → 2017-02-08 · 4 obs

● 2015-05-22 13:18:34
● 2017-02-08 09:03:50
○ 2020-02-29 17:02:14
○ 2026-11-15 18:27:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net...	-
coretestprep.com	nelly.ns.cloudflare.com, ruben.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.209

NS records: nelly.ns.cloudflare.com, ruben.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 169ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.34.216, 172.67.165.151`
AAAA	2	`2606:4700:3031::6815:22d8, 2606:4700:3034::ac43:a597`
NS	2	`nelly.ns.cloudflare.com, ruben.ns.cloudflare.com`
MX	1	`inbound-smtp.us-east-1.amazonaws.com (pr`
TXT	2	`google-site-verification=jIpgbJ76LMgyxLV, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`nelly.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

coretestprep.com resolves to four IP addresses: 104.21.34.216, 172.67.165.151, 2606:4700:3031::6815:22d8 and 2606:4700:3034::ac43:a597.

Additional host names — casino-classic.cl, 16769.vip, openagently.com and two others — share IP numbers with coretestprep.com.

Name Servers

coretestprep.com is delegated to two name servers: nelly.ns.cloudflare.com and ruben.ns.cloudflare.com.

coretestprep.com shares its name server setup with other domains, including moussaferonline.com, yunttopia.workers.dev, sodep247.net and two others.

coretestprep.com shares at least some of its name servers with other domains, including pphokilogin.com, digital-studies.ru.com, viventinsurance.com and two others.

These name servers are frequently paired with the name servers lennon.ns.cloudflare.com, mona.ns.cloudflare.com, alberto.ns.cloudflare.com and two others.

Host names with 6 IP numbers:

nelly.ns.cloudflare.com resolves to 108.162.192.209, 172.64.32.209, 173.245.58.209 and 3 other IP addresses.

ruben.ns.cloudflare.com resolves to 108.162.195.71, 162.159.44.71, 172.64.35.71 and 3 other IP addresses.

Mail Servers

coretestprep.com has one mail server: inbound-smtp.us-east-1.amazonaws.com.

coretestprep.com shares the same mail server setup as other domains, including appbond.com, strixengine.com, decent-work.slack.com and two others.

coretestprep.com shares mail servers — at least in part — with other domains, including cartiqai.app, eneco-online.atlassian.net, (0x616e616c)isedisc.com.br and two others.

inbound-smtp.us-east-1.amazonaws.com resolves to five IP numbers: 3.211.210.226, 44.206.9.87, 44.210.166.32 and two others.

coretestprep.com - robtex.com