studycpr.com - dns.ninja

`studycpr.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:b9a9^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:1350^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.19.80^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.185.169^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dawn.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a6a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dawn.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c06a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dawn.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:206a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dawn.ns.cloudflare.com`
		A	108.162.192.106^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dawn.ns.cloudflare.com`
		A	172.64.32.106^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dawn.ns.cloudflare.com`
		A	173.245.58.106^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dawn.ns.cloudflare.com`
NS	`evan.ns.cloudflare.com`
		A	2606:4700:58::adf5:3ba5^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`evan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1a5^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`evan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21a5^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`evan.ns.cloudflare.com`
		A	108.162.193.165^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`evan.ns.cloudflare.com`
		A	172.64.33.165^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`evan.ns.cloudflare.com`
		A	173.245.59.165^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`evan.ns.cloudflare.com`
MX	`mx00.1and1.com` ⭐
		A	74.208.114.65^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx00.perfora.net`
MX	`mx01.1and1.com` ⭐
		A	74.208.114.66^{🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.}
			PTR	`mx01.perfora.net`
TXT	`v=spf1 include:_spf-us.ionos.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.19.80, 172.67.185.169
		IPv6 hints	2606:4700:3032::ac43:b9a9, 2606:4700:3035::6815:1350
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=136, name=cloudflare-ech.com
SOA	`dawn.ns.cloudflare.com`dns@cloudflare.com serial=2410375462

`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=1786474804

Previously MX for

studycpr.com

Same first word

studycpr.com

Similar names

prcstudy.com

DNS History

24 records (8 active, 16 former)

●NSdawn.ns.cloudflare.com2026-03-12 → 2026-08-11 · 3 obs

○ 2020-01-09 17:34:48
● 2026-03-12 04:52:40
● 2026-08-11 19:09:00

●NSevan.ns.cloudflare.com2026-03-12 → 2026-08-11 · 3 obs

○ 2020-01-09 17:34:48
● 2026-03-12 04:52:40
● 2026-08-11 19:09:00

○NSns1039.ui-dns.com2020-01-09 → 2020-01-09 · 4 obs

○ 2017-02-02 02:35:02
● 2020-01-09 17:34:48
○ 2026-03-12 04:52:40
○ 2026-08-11 19:09:00

○NSns1056.ui-dns.org2020-01-09 → 2020-01-09 · 4 obs

○ 2017-02-02 02:35:02
● 2020-01-09 17:34:48
○ 2026-03-12 04:52:40
○ 2026-08-11 19:09:00

○NSns1071.ui-dns.biz2020-01-09 → 2020-01-09 · 4 obs

○ 2017-02-02 02:35:02
● 2020-01-09 17:34:48
○ 2026-03-12 04:52:40
○ 2026-08-11 19:09:00

○NSns1112.ui-dns.de2020-01-09 → 2020-01-09 · 4 obs

○ 2017-02-02 02:35:02
● 2020-01-09 17:34:48
○ 2026-03-12 04:52:40
○ 2026-08-11 19:09:00

○NSns1315.websitewelcome.com2015-08-11 → 2017-02-02 · 4 obs

● 2015-08-11 16:07:20
● 2017-02-02 02:35:02
○ 2020-01-09 17:34:48
○ 2026-08-11 19:09:00

○NSns1316.websitewelcome.com2015-08-11 → 2017-02-02 · 4 obs

● 2015-08-11 16:07:20
● 2017-02-02 02:35:02
○ 2020-01-09 17:34:48
○ 2026-08-11 19:09:00

●MXmx00.1and1.com2020-01-09 → 2026-08-11 · 3 obs

○ 2017-02-02 02:35:02
● 2020-01-09 17:34:48
● 2026-08-11 19:09:00

●MXmx01.1and1.com2020-01-09 → 2026-08-11 · 3 obs

○ 2017-02-02 02:35:02
● 2020-01-09 17:34:48
● 2026-08-11 19:09:00

○MXstudycpr.com2015-08-11 → 2017-02-02 · 4 obs

● 2015-08-11 16:07:20
● 2017-02-02 02:35:02
○ 2020-01-09 17:34:48
○ 2026-08-11 19:09:00

●A104.21.19.802026-03-12 → 2026-08-11 · 9 obs

○ 2020-01-09 17:34:48
● 2026-03-12 04:52:40
● 2026-03-27 11:08:38
○ 2026-04-01 10:12:50
● 2026-04-03 07:23:36
● 2026-06-12 19:55:22
○ 2026-06-17 14:18:56
● 2026-08-11 19:08:58
● 2026-08-11 19:09:00

●A172.67.185.1692026-03-12 → 2026-08-11 · 9 obs

○A188.114.96.02026-04-01 → 2026-06-17 · 7 obs

○ 2026-03-27 11:08:38
● 2026-04-01 10:12:50
○ 2026-04-03 07:23:36
○ 2026-06-12 19:55:22
● 2026-06-17 14:18:56
○ 2026-08-11 19:08:58
○ 2026-08-11 19:09:00

○A188.114.97.02026-04-01 → 2026-06-17 · 7 obs

○ 2026-03-27 11:08:38
● 2026-04-01 10:12:50
○ 2026-04-03 07:23:36
○ 2026-06-12 19:55:22
● 2026-06-17 14:18:56
○ 2026-08-11 19:08:58
○ 2026-08-11 19:09:00

○A192.185.180.2352015-08-11 → 2017-02-02 · 4 obs

● 2015-08-11 16:07:20
● 2017-02-02 02:35:02
○ 2020-01-09 17:34:48
○ 2026-08-11 19:09:00

○A2606:4700:3031::6815:13502026-03-12 → 2026-06-12 · 8 obs

○ 2020-01-09 17:34:48
● 2026-03-12 04:52:40
● 2026-03-27 11:08:38
○ 2026-04-01 10:12:50
● 2026-04-03 07:23:36
● 2026-06-12 19:55:22
○ 2026-06-17 14:18:56
○ 2026-08-11 19:09:00

●A2606:4700:3032::ac43:b9a92026-08-11 → 2026-08-11 · 3 obs

○ 2026-06-17 14:18:56
● 2026-08-11 19:08:58
● 2026-08-11 19:09:00

○A2606:4700:3033::ac43:b9a92026-03-12 → 2026-06-12 · 8 obs

○ 2020-01-09 17:34:48
● 2026-03-12 04:52:40
● 2026-03-27 11:08:38
○ 2026-04-01 10:12:50
● 2026-04-03 07:23:36
● 2026-06-12 19:55:22
○ 2026-06-17 14:18:56
○ 2026-08-11 19:09:00

●A2606:4700:3035::6815:13502026-08-11 → 2026-08-11 · 3 obs

○ 2026-06-17 14:18:56
● 2026-08-11 19:08:58
● 2026-08-11 19:09:00

○A2607:f1c0:100f:f000::2672020-01-09 → 2020-01-09 · 4 obs

○ 2017-02-02 02:35:02
● 2020-01-09 17:34:48
○ 2026-03-12 04:52:40
○ 2026-08-11 19:09:00

○A2a06:98c1:3120::2026-04-01 → 2026-06-17 · 7 obs

○ 2026-03-27 11:08:38
● 2026-04-01 10:12:50
○ 2026-04-03 07:23:36
○ 2026-06-12 19:55:22
● 2026-06-17 14:18:56
○ 2026-08-11 19:08:58
○ 2026-08-11 19:09:00

○A2a06:98c1:3121::2026-04-01 → 2026-06-17 · 7 obs

○ 2026-03-27 11:08:38
● 2026-04-01 10:12:50
○ 2026-04-03 07:23:36
○ 2026-06-12 19:55:22
● 2026-06-17 14:18:56
○ 2026-08-11 19:08:58
○ 2026-08-11 19:09:00

○A74.208.236.2482020-01-09 → 2020-01-09 · 4 obs

○ 2017-02-02 02:35:02
● 2020-01-09 17:34:48
○ 2026-03-12 04:52:40
○ 2026-08-11 19:09:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studycpr.com	dawn.ns.cloudflare.com, evan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.165

NS records: dawn.ns.cloudflare.com, evan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studycpr.com (unsigned zone)

⏱️ Timing

Total: 1800ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.185.169, 104.21.19.80`
AAAA	2	`2606:4700:3035::6815:1350, 2606:4700:3032::ac43:b9a9`
NS	2	`dawn.ns.cloudflare.com, evan.ns.cloudflare.com`
MX	2	`mx00.1and1.com (pri: 10), mx01.1and1.com (pri: 10)`
TXT	1	`v=spf1 include:_spf-us.ionos.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dawn.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

studycpr.com directs to four IP numbers, which are 104.21.19.80, 172.67.185.169, 2606:4700:3032::ac43:b9a9 and 2606:4700:3035::6815:1350.

Two other host names, along with v.cqdt.shop, mangax.wiki and smjcy.xm.fj.cn, also share IP numbers with studycpr.com.

Name Servers

Two name servers handle the delegation for studycpr.com: dawn.ns.cloudflare.com and evan.ns.cloudflare.com.

studycpr.com shares its NS records with other domains, for example yavip777.com, cdrmjx.com, kytxpm.com and two others.

At least some of studycpr.com's name servers are shared with other domains, for example tymscar.com, gvyrxseoqvugu.online, jinno.pl and two more.

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

DNS names with 6 IP addresses:

dawn.ns.cloudflare.com resolves to 108.162.192.106, 172.64.32.106 and 173.245.58.106 among others, with 3 other IP addresses in total.

evan.ns.cloudflare.com resolves to 108.162.193.165, 172.64.33.165 and 173.245.59.165 among others, with 3 other IP addresses in total.

Mail Servers

studycpr.com is served by two mail servers, mx00.1and1.com and mx01.1and1.com.

Among the domains sharing a mail server setup with studycpr.com are itconnectpr.com, s603421999.onlinehome.us, mailserv.neelat.com and two others.

There is at least a partial MX overlap between studycpr.com and other domains, including u21537568.onlinehome-server.com, mogfind.com, u16579720.onlinehome-server.com and two others.

Each of mx00.1and1.com and mx01.1and1.com has one IP address: mx00.1and1.com uses 74.208.114.65 and mx01.1and1.com uses 74.208.114.66.