mrtestprep.com - dns.ninja

`mrtestprep.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5439^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:bb1b^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.84.57^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.187.27^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`ara.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a43^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ara.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c043^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ara.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2043^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ara.ns.cloudflare.com`
		A	108.162.192.67^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ara.ns.cloudflare.com`
		A	172.64.32.67^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ara.ns.cloudflare.com`
		A	173.245.58.67^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ara.ns.cloudflare.com`
NS	`hayes.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cf5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hayes.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3f5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`hayes.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23f5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`hayes.ns.cloudflare.com`
		A	108.162.195.245^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hayes.ns.cloudflare.com`
		A	162.159.44.245^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hayes.ns.cloudflare.com`
		A	172.64.35.245^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`hayes.ns.cloudflare.com`
MX	`_dc-mx.f74edec03431.mrtestprep.com` ⭐
		A	198.38.90.91^{🇬🇧 WHG-DAL198.38.90.0/24}
			PTR	`s4814.usc1.stableserver.net`
TXT	`google-site-verification=NorZq0lPxxo0fTVUyMGnVvlYkgEsfhKHNIdV71sgp7I`
TXT	`v=spf1 +a +include:spf.supercp.com ~all`
TXT	`yandex-verification: 66eb7a16aedada86`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.84.57, 172.67.187.27
		IPv6 hints	2606:4700:3033::6815:5439, 2606:4700:3037::ac43:bb1b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=13, name=cloudflare-ech.com
SOA	`ara.ns.cloudflare.com`dns@cloudflare.com serial=2410626056

`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=1786662684

Previously MX for

mrtestprep.com

Subdomains

www.mrtestprep.com

Same first word

mrtestprep.com

mrtestprep.net

DNS History

28 records (7 active, 21 former)

●NSara.ns.cloudflare.com2026-02-15 → 2026-08-13 · 3 obs

○ 2017-03-30 00:51:06
● 2026-02-15 20:25:14
● 2026-08-13 23:37:58

●NShayes.ns.cloudflare.com2026-02-15 → 2026-08-13 · 3 obs

○ 2017-03-30 00:51:06
● 2026-02-15 20:25:14
● 2026-08-13 23:37:58

○NSns1.ip.secureserver.net2015-06-09 → 2015-11-06 · 4 obs

● 2015-06-09 09:05:16
● 2015-11-06 08:59:26
○ 2016-03-16 08:23:48
○ 2026-08-13 23:37:58

○NSns1.speedydns.net2017-03-30 → 2017-03-30 · 4 obs

○ 2016-08-11 11:37:58
● 2017-03-30 00:51:06
○ 2026-02-15 20:25:14
○ 2026-08-13 23:37:58

○NSns1.wpgatewayserver.com2016-08-11 → 2016-08-11 · 4 obs

○ 2016-03-16 08:23:48
● 2016-08-11 11:37:58
○ 2017-03-30 00:51:06
○ 2026-08-13 23:37:58

○NSns2.ip.secureserver.net2015-06-09 → 2015-11-06 · 4 obs

● 2015-06-09 09:05:16
● 2015-11-06 08:59:26
○ 2016-03-16 08:23:48
○ 2026-08-13 23:37:58

○NSns2.speedydns.net2017-03-30 → 2017-03-30 · 4 obs

○ 2016-08-11 11:37:58
● 2017-03-30 00:51:06
○ 2026-02-15 20:25:14
○ 2026-08-13 23:37:58

○NSns2.wpgatewayserver.com2016-08-11 → 2016-08-11 · 4 obs

○ 2016-03-16 08:23:48
● 2016-08-11 11:37:58
○ 2017-03-30 00:51:06
○ 2026-08-13 23:37:58

○NSns3.speedydns.net2017-03-30 → 2017-03-30 · 4 obs

○ 2016-08-11 11:37:58
● 2017-03-30 00:51:06
○ 2026-02-15 20:25:14
○ 2026-08-13 23:37:58

○NSns67.domaincontrol.com2016-03-16 → 2016-03-16 · 4 obs

○ 2015-11-06 08:59:26
● 2016-03-16 08:23:48
○ 2016-08-11 11:37:58
○ 2026-08-13 23:37:58

○NSns68.domaincontrol.com2016-03-16 → 2016-03-16 · 4 obs

○ 2015-11-06 08:59:26
● 2016-03-16 08:23:48
○ 2016-08-11 11:37:58
○ 2026-08-13 23:37:58

●MX_dc-mx.f74edec03431.mrtestprep.com2026-02-15 → 2026-08-13 · 3 obs

○ 2017-03-30 00:51:06
● 2026-02-15 20:25:14
● 2026-08-13 23:37:58

○MXmail.mrtestprep.com2016-03-16 → 2016-03-16 · 4 obs

○ 2015-11-06 08:59:26
● 2016-03-16 08:23:48
○ 2016-08-11 11:37:58
○ 2026-08-13 23:37:58

○MXmrtestprep.com2015-06-09 → 2017-03-30 · 7 obs

● 2015-06-09 09:05:16
● 2015-11-06 08:59:26
○ 2016-03-16 08:23:48
● 2016-08-11 11:37:58
● 2017-03-30 00:51:06
○ 2026-02-15 20:25:14
○ 2026-08-13 23:37:58

●A104.21.84.572026-02-15 → 2026-08-13 · 33 obs

○ 2017-03-30 00:51:06
● 2026-02-15 20:25:14
● 2026-03-20 10:56:10
○ 2026-03-23 02:30:22
● 2026-03-23 03:12:02
● 2026-04-01 02:46:30
○ 2026-04-03 17:51:24
● 2026-04-04 03:55:36
● 2026-04-08 19:05:10
○ 2026-04-09 19:54:02
● 2026-04-09 23:16:28
○ 2026-04-11 03:19:30
● 2026-04-13 00:11:08
● 2026-04-14 01:30:58
○ 2026-04-14 21:50:58
● 2026-04-15 00:11:56
● 2026-04-29 07:55:38
○ 2026-04-29 14:14:38
● 2026-04-29 17:50:16
○ 2026-04-30 07:58:28
● 2026-04-30 21:58:14
● 2026-05-05 20:51:14
○ 2026-05-06 09:07:30
● 2026-05-06 09:43:22
● 2026-06-15 14:27:30
○ 2026-06-18 06:10:34
● 2026-07-15 16:33:00
○ 2026-07-16 12:29:38
● 2026-07-19 11:58:28
○ 2026-07-30 21:38:14
● 2026-08-13 11:35:22
○ 2026-08-13 21:47:38
● 2026-08-13 23:37:58

○A107.180.55.202016-03-16 → 2016-03-16 · 4 obs

○ 2015-11-06 08:59:26
● 2016-03-16 08:23:48
○ 2016-08-11 11:37:58
○ 2026-08-13 23:37:58

●A172.67.187.272026-02-15 → 2026-08-13 · 33 obs

○A174.136.13.672017-03-30 → 2017-03-30 · 4 obs

○ 2016-08-11 11:37:58
● 2017-03-30 00:51:06
○ 2026-02-15 20:25:14
○ 2026-08-13 23:37:58

○A188.114.96.02026-03-23 → 2026-08-13 · 31 obs

○ 2026-03-20 10:56:10
● 2026-03-23 02:30:22
○ 2026-03-23 03:12:02
○ 2026-04-01 02:46:30
● 2026-04-03 17:51:24
○ 2026-04-04 03:55:36
○ 2026-04-08 19:05:10
● 2026-04-09 19:54:02
○ 2026-04-09 23:16:28
● 2026-04-11 03:19:30
○ 2026-04-13 00:11:08
○ 2026-04-14 01:30:58
● 2026-04-14 21:50:58
○ 2026-04-15 00:11:56
○ 2026-04-29 07:55:38
● 2026-04-29 14:14:38
○ 2026-04-29 17:50:16
● 2026-04-30 07:58:28
○ 2026-04-30 21:58:14
○ 2026-05-05 20:51:14
● 2026-05-06 09:07:30
○ 2026-05-06 09:43:22
○ 2026-06-15 14:27:30
● 2026-06-18 06:10:34
○ 2026-07-15 16:33:00
● 2026-07-16 12:29:38
○ 2026-07-19 11:58:28
● 2026-07-30 21:38:14
○ 2026-08-13 11:35:22
● 2026-08-13 21:47:38
○ 2026-08-13 23:37:58

○A188.114.97.02026-03-23 → 2026-08-13 · 31 obs

○A2606:4700:3030::6815:54392026-02-15 → 2026-06-15 · 27 obs

○A2606:4700:3032::ac43:bb1b2026-02-15 → 2026-06-15 · 27 obs

●A2606:4700:3033::6815:54392026-07-15 → 2026-08-13 · 8 obs

○ 2026-06-18 06:10:34
● 2026-07-15 16:33:00
○ 2026-07-16 12:29:38
● 2026-07-19 11:58:28
○ 2026-07-30 21:38:14
● 2026-08-13 11:35:22
○ 2026-08-13 21:47:38
● 2026-08-13 23:37:58

●A2606:4700:3037::ac43:bb1b2026-07-15 → 2026-08-13 · 8 obs

○ 2026-06-18 06:10:34
● 2026-07-15 16:33:00
○ 2026-07-16 12:29:38
● 2026-07-19 11:58:28
○ 2026-07-30 21:38:14
● 2026-08-13 11:35:22
○ 2026-08-13 21:47:38
● 2026-08-13 23:37:58

○A2a06:98c1:3120::2026-03-23 → 2026-08-13 · 31 obs

○A2a06:98c1:3121::2026-03-23 → 2026-08-13 · 31 obs

○A50.63.84.352015-06-09 → 2015-11-06 · 4 obs

● 2015-06-09 09:05:16
● 2015-11-06 08:59:26
○ 2016-03-16 08:23:48
○ 2026-08-13 23:37:58

○A52.22.252.952016-08-11 → 2016-08-11 · 4 obs

○ 2016-03-16 08:23:48
● 2016-08-11 11:37:58
○ 2017-03-30 00:51:06
○ 2026-08-13 23:37:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
mrtestprep.com	ara.ns.cloudflare.com, hayes.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.67

NS records: ara.ns.cloudflare.com, hayes.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mrtestprep.com (unsigned zone)

⏱️ Timing

Total: 142ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.187.27, 104.21.84.57`
AAAA	2	`2606:4700:3033::6815:5439, 2606:4700:3037::ac43:bb1b`
NS	2	`ara.ns.cloudflare.com, hayes.ns.cloudflare.com`
MX	1	`_dc-mx.f74edec03431.mrtestprep.com (pri:`
TXT	3	`google-site-verification=NorZq0lPxxo0fTV, v=spf1 +a +include:spf.supercp.com ~all...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`ara.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The domain www.mrtestprep.com falls under the parent mrtestprep.com.

IP Addresses

mrtestprep.com points to the four IP addresses 104.21.84.57, 172.67.187.27, 2606:4700:3033::6815:5439 and 2606:4700:3037::ac43:bb1b.

Additional host names — techstrategy.ro, mlar.com.br, newsofmarseille.com and two others — share IP numbers with mrtestprep.com.

Name Servers

DNS delegation for mrtestprep.com points to two name servers: ara.ns.cloudflare.com and hayes.ns.cloudflare.com.

mrtestprep.com shares its name server setup with other domains, including mind-foundation.org, korpack.com, bluegrassmma.com and two others.

At least some of mrtestprep.com's name servers are shared with other domains, for example artair.se, 9995bet6.com, bbeaglesfc.co.uk and two more.

These name servers tend to be deployed in combination with the name servers nola.ns.cloudflare.com and cameron.ns.cloudflare.com.

Host names with 6 IP numbers:

ara.ns.cloudflare.com has IP addresses 108.162.192.67, 172.64.32.67 and 173.245.58.67, plus 3 other.

hayes.ns.cloudflare.com has IP addresses 108.162.195.245, 162.159.44.245 and 172.64.35.245, plus 3 other.

Mail Servers

mrtestprep.com has one mail server: _dc-mx.f74edec03431.mrtestprep.com.

_dc-mx.f74edec03431.mrtestprep.com has exactly one IP number: 198.38.90.91.