🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`quantprep.org`

DNSSEC	⚠️ Not signed
A	216.198.79.1^{🇺🇸 Amazon216.198.79.0/24 EC2 Prefix}
NS	`derek.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`derek.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`derek.ns.cloudflare.com`
		A	108.162.193.154^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	172.64.33.154^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	173.245.59.154^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
NS	`tricia.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ae8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tricia.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0e8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`tricia.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20e8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`tricia.ns.cloudflare.com`
		A	108.162.192.232^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tricia.ns.cloudflare.com`
		A	172.64.32.232^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tricia.ns.cloudflare.com`
		A	173.245.58.232^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`tricia.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁴⁷⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁹²⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`google-site-verification=a6r5cA1c3RJfehFIegLp1h7Gx0I94BvkUdF6AFOpyIg`
TXT	`v=spf1 include:zohomail.com include:_spf.mx.cloudflare.net ~all`
SOA	`derek.ns.cloudflare.com`dns@cloudflare.com serial=2416800451

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1791722432

Same first word

quantprep.me

quantprep.space

quantprep.org

quantprep.in

quantprep.net

quantprep.pages.dev

quantprep.io

quantprep.app

Similar names

qauntperp.com

npparquet.com

perpquant.si

prepquant.com

Previous names

Next names

DNS History

6 records (6 active, 0 former)

●NSderek.ns.cloudflare.com2026-09-01 → 2026-10-11 · 2 obs

● 2026-09-01 12:17:30
● 2026-10-11 13:14:42

●NStricia.ns.cloudflare.com2026-09-01 → 2026-10-11 · 2 obs

● 2026-09-01 12:17:30
● 2026-10-11 13:14:42

●MXroute1.mx.cloudflare.net2026-09-01 → 2026-10-11 · 2 obs

● 2026-09-01 12:17:30
● 2026-10-11 13:14:42

●MXroute2.mx.cloudflare.net2026-09-01 → 2026-10-11 · 2 obs

● 2026-09-01 12:17:30
● 2026-10-11 13:14:42

●MXroute3.mx.cloudflare.net2026-09-01 → 2026-10-11 · 2 obs

● 2026-09-01 12:17:30
● 2026-10-11 13:14:42

●A216.198.79.12026-09-01 → 2026-10-11 · 2 obs

● 2026-09-01 12:17:30
● 2026-10-11 13:14:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b2.org.afilias-nst.org, b0.org.afilias-nst.org, d0.org.afilias-nst.org	-
quantprep.org	derek.ns.cloudflare.com, tricia.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.58.232

NS records: derek.ns.cloudflare.com, tricia.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for quantprep.org (unsigned zone)

⏱️ Timing

Total: 1931ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.198.79.1`
NS	2	`derek.ns.cloudflare.com, tricia.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 12), route3.mx.cloudflare.net (pri: 47)...`
TXT	2	`google-site-verification=a6r5cA1c3RJfehF, v=spf1 include:zohomail.com include:_spf`
SOA	1	`derek.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

quantprep.org points to a single IP number: 216.198.79.1.

Additional host names — srijenarhandlooms.in, reducetxpropertytax.com, reninelabs.com and two others — share IP numbers with quantprep.org.

Name Servers

quantprep.org uses two name servers for its delegation: derek.ns.cloudflare.com and tricia.ns.cloudflare.com.

quantprep.org shares its name server setup with other domains, including dbtech.work, tenistabor.cz, hawkttwoah.pages.dev and two others.

The name servers of quantprep.org overlap at least partially with those of other domains — among them qdssbl.com, devops-996.workers.dev, 33qfv.com and two more.

These name servers commonly appear alongside the name servers leonidas.ns.cloudflare.com and jaxson.ns.cloudflare.com.

Host names with 6 IP numbers:

Hostname derek.ns.cloudflare.com directs to 108.162.193.154, 172.64.33.154 and 173.245.59.154 along with 3 other IP addresses.

Hostname tricia.ns.cloudflare.com directs to 108.162.192.232, 172.64.32.232 and 173.245.58.232 along with 3 other IP addresses.

Mail Servers

Mail for quantprep.org is routed through three mail servers — route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

quantprep.org shares mail servers — at least in part — with other domains, including scul.dev, schoolrecruiting.com, kitchenbin.site and two others.

Host names with 6 IP numbers:

Hostname route1.mx.cloudflare.net directs to 162.159.205.11, 162.159.205.12 and 162.159.205.13 along with 3 other IP addresses.

Hostname route2.mx.cloudflare.net directs to 162.159.205.17, 162.159.205.18 and 162.159.205.19 along with 3 other IP addresses.

Hostname route3.mx.cloudflare.net directs to 162.159.205.23, 162.159.205.24 and 162.159.205.25 along with 3 other IP addresses.

quantprep.org - robtex.com

quantprep.org

org

Same first word

Similar names

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`quantprep.org`

`org`