studycpr.com - robtex.com

studycpr.com

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:1350🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::ac43:b9a9🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.19.80Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.185.169🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdawn.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a6a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdawn.ns.cloudflare.com
A2803:f800:50::6ca2:c06a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdawn.ns.cloudflare.com
A2a06:98c1:50::ac40:206a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdawn.ns.cloudflare.com
A108.162.192.106🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdawn.ns.cloudflare.com
A172.64.32.106🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdawn.ns.cloudflare.com
A173.245.58.106🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdawn.ns.cloudflare.com
NSevan.ns.cloudflare.com
A2606:4700:58::adf5:3ba5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRevan.ns.cloudflare.com
A2803:f800:50::6ca2:c1a5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRevan.ns.cloudflare.com
A2a06:98c1:50::ac40:21a5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRevan.ns.cloudflare.com
A108.162.193.165🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRevan.ns.cloudflare.com
A172.64.33.165🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRevan.ns.cloudflare.com
A173.245.59.165🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRevan.ns.cloudflare.com
MXmx00.1and1.com ⭐
A74.208.5.3🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.
PTRmx00.perfora.net
MXmx01.1and1.com ⭐
A74.208.5.21🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.
PTRmx01.perfora.net
TXTv=spf1 include:_spf-us.ionos.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.19.80, 172.67.185.169
IPv62606:4700:3031::6815:1350, 2606:4700:3033::ac43:b9a9
SOAdawn.ns.cloudflare.comdns@cloudflare.com serial=2397158990

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Previously MX for

studycpr.com

Same first word

studycpr.com

Similar names

prcstudy.com

DNS History

18 records (8 active, 10 former)

20162017201820192020202120222023202420252026NSdawn.ns.cloudflare.comevan.ns.cloudflare.comns1039.ui-dns.comns1056.ui-dns.orgns1071.ui-dns.bizns1112.ui-dns.dens1315.websitewelcome.comns1316.websitewelcome.comMXmx00.1and1.commx01.1and1.comstudycpr.comA104.21.19.80172.67.185.1692606:4700:3031::6815:13502606:4700:3033::ac43:b9a9192.185.180.2352607:f1c0:100f:f000::26774.208.236.248
●NSdawn.ns.cloudflare.com2026-03-12 → 2026-03-13 · 3 obs
○ 2020-01-09 17:34:48
● 2026-03-12 04:52:40
● 2026-03-13 21:56:00
●NSevan.ns.cloudflare.com2026-03-12 → 2026-03-13 · 3 obs
○ 2020-01-09 17:34:48
● 2026-03-12 04:52:40
● 2026-03-13 21:56:00
○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
○ 2026-03-13 21:56:00
○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
○ 2026-03-13 21:56:00
○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
○ 2026-03-13 21:56:00
○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
○ 2026-03-13 21:56:00
○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
○ 2026-03-13 21:56:00
○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
○ 2026-03-13 21:56:00
●MXmx00.1and1.com2020-01-09 → 2026-03-13 · 3 obs
○ 2017-02-02 02:35:02
● 2020-01-09 17:34:48
● 2026-03-13 21:56:00
●MXmx01.1and1.com2020-01-09 → 2026-03-13 · 3 obs
○ 2017-02-02 02:35:02
● 2020-01-09 17:34:48
● 2026-03-13 21:56:00
○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
○ 2026-03-13 21:56:00
●A104.21.19.802026-03-12 → 2026-03-13 · 3 obs
○ 2020-01-09 17:34:48
● 2026-03-12 04:52:40
● 2026-03-13 21:56:00
●A172.67.185.1692026-03-12 → 2026-03-13 · 3 obs
○ 2020-01-09 17:34:48
● 2026-03-12 04:52:40
● 2026-03-13 21:56:00
○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
○ 2026-03-13 21:56:00
●A2606:4700:3031::6815:13502026-03-12 → 2026-03-13 · 3 obs
○ 2020-01-09 17:34:48
● 2026-03-12 04:52:40
● 2026-03-13 21:56:00
●A2606:4700:3033::ac43:b9a92026-03-12 → 2026-03-13 · 3 obs
○ 2020-01-09 17:34:48
● 2026-03-12 04:52:40
● 2026-03-13 21:56:00
○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
○ 2026-03-13 21:56:00
○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
○ 2026-03-13 21:56:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comc.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net...-
studycpr.comdawn.ns.cloudflare.com, evan.ns.cloudflare.com12 records

✅ Authoritative Response

Server: 108.162.192.106

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: 158ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.19.80, 172.67.185.169
AAAA22606:4700:3033::ac43:b9a9, 2606:4700:3031::6815:1350
NS2dawn.ns.cloudflare.com, evan.ns.cloudflare.com
MX2mx00.1and1.com (pri: 10), mx01.1and1.com (pri: 10)
TXT1v=spf1 include:_spf-us.ionos.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dawn.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 resolves to four IPs: 2606:4700:3031::6815:1350, 2606:4700:3033::ac43:b9a9, 104.21.19.80 and 172.67.185.169.

Other host names such as havspaddeln.se, hugproperty.com, gundemartvin.com, metal-war.com and teenz.me share IP numbers with studycpr.com.

Name Servers

studycpr.com is delegated to two name servers: dawn.ns.cloudflare.com and evan.ns.cloudflare.com.

studycpr.com uses the same name server setup as other domains, including hbduibi.com, hzyxel.com, cdrmjx.com, dzoule.com and szsryt.com.

At least part of the name servers for studycpr.com are shared with other domains, for instance tymscar.com, gvyrxseoqvugu.online, untrade.org, aq2eaph5.com and unhcr.ru.

These name servers are often used together with will.ns.cloudflare.com, kami.ns.cloudflare.com and carla.ns.cloudflare.com.

Host names with six IP numbers:

dawn.ns.cloudflare.com points to: 2606:4700:50::adf5:3a6a, 2803:f800:50::6ca2:c06a, 2a06:98c1:50::ac40:206a, 108.162.192.106, 172.64.32.106 and 173.245.58.106.

evan.ns.cloudflare.com points to: 2606:4700:58::adf5:3ba5, 2803:f800:50::6ca2:c1a5, 2a06:98c1:50::ac40:21a5, 108.162.193.165, 172.64.33.165 and 173.245.59.165.

Mail Servers

studycpr.com is handled by two mail servers: mx00.1and1.com and mx01.1and1.com.

studycpr.com uses the same mail server setup as other domains, for instance itconnectpr.com, s603421999.onlinehome.us, mailserv.neelat.com, wagnertechnical.com and rdcc.us.

studycpr.com shares at least some mail servers with other domains, for example u21537568.onlinehome-server.com, mogfind.com, u16579720.onlinehome-server.com, tlchs.org and u20222796.onlinehome-server.com.

Hostnames with a single IP

mx00.1and1.com resolves to: 74.208.5.3.

mx01.1and1.com resolves to: 74.208.5.21.