`bernsteintestprep.com`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:499^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:599^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:4516^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.4.153^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.5.153^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.69.22^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dexter.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cbe^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3be^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dexter.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23be^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dexter.ns.cloudflare.com`
		A	108.162.195.190^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
		A	162.159.44.190^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
		A	172.64.35.190^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dexter.ns.cloudflare.com`
NS	`mona.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ace^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mona.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0ce^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mona.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20ce^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mona.ns.cloudflare.com`
		A	108.162.192.206^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mona.ns.cloudflare.com`
		A	172.64.32.206^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mona.ns.cloudflare.com`
		A	173.245.58.206^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mona.ns.cloudflare.com`
MX	`bernsteintestprep-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:f804::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr05cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:f804::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-co1pr03cu00403.inbound.protection.outlook.com`
		A	2a01:111:f403:f905::3^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm5pr02cu00203.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn1pr04cu00101.inbound.protection.outlook.com`
		A	52.101.9.14^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr03cu00206.inbound.protection.outlook.com`
		A	52.101.10.10^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn8pr05cu00102.inbound.protection.outlook.com`
		A	52.101.10.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bn1pr21cu00204.inbound.protection.outlook.com`
		A	52.101.42.18^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-co1pr03cu00302.inbound.protection.outlook.com`
TXT	`8bcjod4sk2sh52oei4la0ulbp7`
TXT	`8fc6q6u3ujd6pd4iaekoftui37`
TXT	`MS=ms67291901`
TXT	`google-site-verification=4_HvBCcjU1gvwzKyVpsPtE0qxMJbHgRqviUVvjMeihM`
TXT	`iContact1338527`
TXT	`laf5riqjm8ju1unf28ieehddjk`
TXT	`v=spf1 include:spf.em.secureserver.net include:secureserver.net include:spf.p...`
HTTPS	HTTP/2 ✓ hints match
		IPv4	104.26.4.153, 104.26.5.153, 172.67.69.22
		IPv6	2606:4700:20::681a:499, 2606:4700:20::681a:599, 2606:4700:20::ac43:4516
SOA	`dexter.ns.cloudflare.com`dns@cloudflare.com serial=2397369329

`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=1771291435

DNS History

15 records (9 active, 6 former)

●NSdexter.ns.cloudflare.com2026-03-04 → 2026-03-04 · 3 obs

○ 2019-12-26 23:51:54
● 2026-03-04 18:14:08
● 2026-03-04 18:14:10

●NSmona.ns.cloudflare.com2026-03-04 → 2026-03-04 · 3 obs

○ 2019-12-26 23:51:54
● 2026-03-04 18:14:08
● 2026-03-04 18:14:10

○NSns75.domaincontrol.com2015-06-17 → 2019-12-26 · 4 obs

● 2015-06-17 16:49:44
● 2019-12-26 23:51:54
○ 2026-03-04 18:14:08
○ 2026-03-04 18:14:10

○NSns76.domaincontrol.com2015-06-17 → 2019-12-26 · 4 obs

● 2015-06-17 16:49:44
● 2019-12-26 23:51:54
○ 2026-03-04 18:14:08
○ 2026-03-04 18:14:10

●MXbernsteintestprep-com.mail.protection.outlook.com2026-03-04 → 2026-03-04 · 3 obs

○ 2019-12-26 23:51:54
● 2026-03-04 18:14:08
● 2026-03-04 18:14:10

○MXmailstore1.secureserver.net2015-06-17 → 2019-12-26 · 4 obs

● 2015-06-17 16:49:44
● 2019-12-26 23:51:54
○ 2026-03-04 18:14:08
○ 2026-03-04 18:14:10

○MXsmtp.secureserver.net2015-06-17 → 2019-12-26 · 4 obs

● 2015-06-17 16:49:44
● 2019-12-26 23:51:54
○ 2026-03-04 18:14:08
○ 2026-03-04 18:14:10

●A104.26.4.1532026-03-04 → 2026-03-04 · 3 obs

○ 2019-12-26 23:51:54
● 2026-03-04 18:14:08
● 2026-03-04 18:14:10

●A104.26.5.1532026-03-04 → 2026-03-04 · 3 obs

○ 2019-12-26 23:51:54
● 2026-03-04 18:14:08
● 2026-03-04 18:14:10

●A172.67.69.222026-03-04 → 2026-03-04 · 3 obs

○ 2019-12-26 23:51:54
● 2026-03-04 18:14:08
● 2026-03-04 18:14:10

○A192.124.249.1642019-12-26 → 2019-12-26 · 4 obs

○ 2017-03-14 07:25:08
● 2019-12-26 23:51:54
○ 2026-03-04 18:14:08
○ 2026-03-04 18:14:10

●A2606:4700:20::681a:4992026-03-04 → 2026-03-04 · 3 obs

○ 2019-12-26 23:51:54
● 2026-03-04 18:14:08
● 2026-03-04 18:14:10

●A2606:4700:20::681a:5992026-03-04 → 2026-03-04 · 3 obs

○ 2019-12-26 23:51:54
● 2026-03-04 18:14:08
● 2026-03-04 18:14:10

●A2606:4700:20::ac43:45162026-03-04 → 2026-03-04 · 3 obs

○ 2019-12-26 23:51:54
● 2026-03-04 18:14:08
● 2026-03-04 18:14:10

○A50.63.80.12015-06-17 → 2017-03-14 · 4 obs

● 2015-06-17 16:49:44
● 2017-03-14 07:25:08
○ 2019-12-26 23:51:54
○ 2026-03-04 18:14:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
bernsteintestprep.com	mona.ns.cloudflare.com, dexter.ns.cloudflare.com	12 records

✅ Authoritative Response

Server: 108.162.192.206

NS records: mona.ns.cloudflare.com, dexter.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bernsteintestprep.com (unsigned zone)

⏱️ Timing

Total: 52ms | Queries: -

📄 Records

Type	Count	Sample Data
A	3	`104.26.5.153, 172.67.69.22...`
AAAA	3	`2606:4700:20::681a:499, 2606:4700:20::ac43:4516...`
NS	2	`dexter.ns.cloudflare.com, mona.ns.cloudflare.com`
MX	1	`bernsteintestprep-com.mail.protection.ou`
TXT	7	`8bcjod4sk2sh52oei4la0ulbp7, 8fc6q6u3ujd6pd4iaekoftui37...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`dexter.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

bernsteintestprep.com points to six IPs: 2606:4700:20::681a:499, 2606:4700:20::681a:599, 2606:4700:20::ac43:4516, 104.26.4.153, 104.26.5.153 and 172.67.69.22.

Other host names including mail.diyelectronics.co.za, south-africa.obnovlenie.ru, www.nurseslabs.com, ferienparkspecials.de and www.advertise.com share IP numbers with bernsteintestprep.com.

Name Servers

bernsteintestprep.com's delegation uses two name servers, dexter.ns.cloudflare.com and mona.ns.cloudflare.com.

bernsteintestprep.com shares the same name server setup as other domains, such as source.ba, findly.tools, nordrent.lt and skyoh.com.

bernsteintestprep.com at least partially shares name servers with other domains, including danielmalikyar.com, idealcabaret.fr, fitcam.com, designguidelines.co and fantasypolice.com.

These name servers are commonly used with grannbo.ns.cloudflare.com and diva.ns.cloudflare.com.

Host names with six IP numbers:

dexter.ns.cloudflare.com points to: 2606:4700:58::a29f:2cbe, 2803:f800:50::6ca2:c3be, 2a06:98c1:50::ac40:23be, 108.162.195.190, 162.159.44.190 and 172.64.35.190.

mona.ns.cloudflare.com points to: 2606:4700:50::adf5:3ace, 2803:f800:50::6ca2:c0ce, 2a06:98c1:50::ac40:20ce, 108.162.192.206, 172.64.32.206 and 173.245.58.206.

Mail Servers

bernsteintestprep.com is handled by a single mail server, bernsteintestprep-com.mail.protection.outlook.com.

Hostname bernsteintestprep-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:f804::1, 2a01:111:f403:f804::3, 2a01:111:f403:f905::3, 2a01:111:f403:f908::1, 52.101.9.14, 52.101.10.10, 52.101.10.12 and 52.101.42.18.

bernsteintestprep.com - robtex.com