🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`apstudyprep.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:9dfe^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:4256^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.66.86^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.157.254^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`joyce.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:260e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joyce.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c20e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`joyce.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:220e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`joyce.ns.cloudflare.com`
		A	108.162.194.14^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joyce.ns.cloudflare.com`
		A	162.159.38.14^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joyce.ns.cloudflare.com`
		A	172.64.34.14^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`joyce.ns.cloudflare.com`
NS	`konnor.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c6a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`konnor.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c36a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`konnor.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:236a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`konnor.ns.cloudflare.com`
		A	108.162.195.106^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`konnor.ns.cloudflare.com`
		A	162.159.44.106^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`konnor.ns.cloudflare.com`
		A	172.64.35.106^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`konnor.ns.cloudflare.com`
MX	`mx2.zoho.com` ⭐
		A	136.143.191.44^{🇺🇸 ZohoAS136.143.190.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx3.zoho.com`⁽²⁰⁾
		A	136.143.191.44^{🇺🇸 ZohoAS136.143.190.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
MX	`mx.zoho.com`⁽⁵⁰⁾
		A	136.143.191.44^{🇺🇸 ZohoAS136.143.190.0/23 Zoho Corporation}
			PTR	`mx2.zoho.com`
			PTR	`mx3.zoho.com`
			PTR	`mx.zoho.com`
			PTR	`mx2.zohomail.com`
			PTR	`mx3.zohomail.com`
			PTR	`mx.zohomail.com`
TXT	`google-site-verification=pQTD88YRvcfpFKNLhv-pMwqnkOgtVE-nKkwIzETwtHk`
TXT	`v=spf1 include:zohomail.com ~all`
TXT	`zoho-verification=zb32606339.zmverify.zoho.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.66.86, 172.67.157.254
		IPv6 hints	2606:4700:3035::ac43:9dfe, 2606:4700:3036::6815:4256
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=185, name=cloudflare-ech.com
SOA	`joyce.ns.cloudflare.com`dns@cloudflare.com serial=2418236868

`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

apstudyprep.com

Previous names

Next names

DNS History

9 records (9 active, 0 former)

●NSjoyce.ns.cloudflare.com2026-09-25 → 2026-11-14 · 2 obs

● 2026-09-25 08:55:16
● 2026-11-14 01:56:28

●NSkonnor.ns.cloudflare.com2026-09-25 → 2026-11-14 · 2 obs

● 2026-09-25 08:55:16
● 2026-11-14 01:56:28

●MXmx.zoho.com2026-11-14 → 2026-11-14 · 2 obs

● 2026-11-14 01:36:46
● 2026-11-14 01:56:28

●MXmx2.zoho.com2026-11-14 → 2026-11-14 · 2 obs

● 2026-11-14 01:36:46
● 2026-11-14 01:56:28

●MXmx3.zoho.com2026-11-14 → 2026-11-14 · 2 obs

● 2026-11-14 01:36:46
● 2026-11-14 01:56:28

●A104.21.66.862026-09-25 → 2026-11-14 · 2 obs

● 2026-09-25 08:55:16
● 2026-11-14 01:56:28

●A172.67.157.2542026-09-25 → 2026-11-14 · 2 obs

● 2026-09-25 08:55:16
● 2026-11-14 01:56:28

●A2606:4700:3035::ac43:9dfe2026-09-25 → 2026-11-14 · 2 obs

● 2026-09-25 08:55:16
● 2026-11-14 01:56:28

●A2606:4700:3036::6815:42562026-09-25 → 2026-11-14 · 2 obs

● 2026-09-25 08:55:16
● 2026-11-14 01:56:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, a.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net...	-
apstudyprep.com	joyce.ns.cloudflare.com, konnor.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.106

NS records: joyce.ns.cloudflare.com, konnor.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: 146ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.66.86, 172.67.157.254`
AAAA	2	`2606:4700:3035::ac43:9dfe, 2606:4700:3036::6815:4256`
NS	2	`joyce.ns.cloudflare.com, konnor.ns.cloudflare.com`
MX	3	`mx.zoho.com (pri: 10), mx2.zoho.com (pri: 20)...`
TXT	3	`google-site-verification=pQTD88YRvcfpFKN, v=spf1 include:zohomail.com ~all...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`joyce.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

apstudyprep.com resolves to four IP addresses: 104.21.66.86, 172.67.157.254, 2606:4700:3035::ac43:9dfe and 2606:4700:3036::6815:4256.

Two other host names, along with energiacompetitividad.co, eatatcove.com and bigcor78tok.com, also share IP numbers with apstudyprep.com.

Name Servers

DNS delegation for apstudyprep.com points to two name servers: joyce.ns.cloudflare.com and konnor.ns.cloudflare.com.

apstudyprep.com shares its NS records with other domains, for example unico-51e.workers.dev, 16881888.xyz, brooklinecommunity.org and two others.

apstudyprep.com has at least partial name server overlap with other domains, such as akn9wrpy.pages.dev, staging-api-cef0cf.workers.dev, 94ef01a54ad21ffa.com and two others.

It is common to see these name servers used together with name servers jermaine.ns.cloudflare.com and adam.ns.cloudflare.com.

DNS names with 6 IP addresses:

joyce.ns.cloudflare.com has IP addresses 108.162.194.14, 162.159.38.14 and 172.64.34.14, plus 3 other.

konnor.ns.cloudflare.com has IP addresses 108.162.195.106, 162.159.44.106 and 172.64.35.106, plus 3 other.

Mail Servers

apstudyprep.com has three mail servers: mx2.zoho.com, mx3.zoho.com and mx.zoho.com.

There is at least a partial MX overlap between apstudyprep.com and other domains, including memona.ca, otdweb.com, routemarketingtz.com and two others.

Each of mx2.zoho.com, mx3.zoho.com and mx.zoho.com has one IP address, which is 136.143.191.44.

Each of mx2.zoho.com, mx3.zoho.com and mx.zoho.com resolves to 136.143.191.44.

apstudyprep.com - robtex.com

apstudyprep.com

com

Same first word

Previous names

Next names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`apstudyprep.com`

`com`