castudypartner.com - robtex.com

castudypartner.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:d72a🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:35a3🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.53.163Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.215.42🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalbert.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b3a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalbert.ns.cloudflare.com
A2803:f800:50::6ca2:c13a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRalbert.ns.cloudflare.com
A2a06:98c1:50::ac40:213a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRalbert.ns.cloudflare.com
A108.162.193.58🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalbert.ns.cloudflare.com
A172.64.33.58🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalbert.ns.cloudflare.com
A173.245.59.58🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalbert.ns.cloudflare.com
NSemerie.ns.cloudflare.com
A2606:4700:50::a29f:2673🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemerie.ns.cloudflare.com
A2803:f800:50::6ca2:c273🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRemerie.ns.cloudflare.com
A2a06:98c1:50::ac40:2273🇺🇸 Cloudflare2a06:98c1:50::/45
PTRemerie.ns.cloudflare.com
A108.162.194.115🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemerie.ns.cloudflare.com
A162.159.38.115Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemerie.ns.cloudflare.com
A172.64.34.115🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemerie.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.53.163, 172.67.215.42
IPv6 hints2606:4700:3031::ac43:d72a, 2606:4700:3037::6815:35a3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=239, name=cloudflare-ech.com
SOAalbert.ns.cloudflare.comdns@cloudflare.com serial=2401069238

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=1775960967

Subdomains

www.castudypartner.com

Same first word

castudypartner.com

DNS History

10 records (6 active, 4 former)

NSalbert.ns.cloudflare.comemerie.ns.cloudflare.comA104.21.53.163172.67.215.422606:4700:3031::ac43:d72a2606:4700:3037::6815:35a3188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSalbert.ns.cloudflare.com2026-02-20 → 2026-04-12 · 2 obs
● 2026-02-20 19:44:08
● 2026-04-12 02:43:42
●NSemerie.ns.cloudflare.com2026-02-20 → 2026-04-12 · 2 obs
● 2026-02-20 19:44:08
● 2026-04-12 02:43:42
●A104.21.53.1632026-03-19 → 2026-04-12 · 3 obs
○ 2026-02-20 19:44:08
● 2026-03-19 12:28:20
● 2026-04-12 02:43:42
●A172.67.215.422026-03-19 → 2026-04-12 · 3 obs
○ 2026-02-20 19:44:08
● 2026-03-19 12:28:20
● 2026-04-12 02:43:42
○A188.114.96.02026-02-20 → 2026-02-20 · 3 obs
● 2026-02-20 19:44:08
○ 2026-03-19 12:28:20
○ 2026-04-12 02:43:42
○A188.114.97.02026-02-20 → 2026-02-20 · 3 obs
● 2026-02-20 19:44:08
○ 2026-03-19 12:28:20
○ 2026-04-12 02:43:42
●A2606:4700:3031::ac43:d72a2026-03-19 → 2026-04-12 · 3 obs
○ 2026-02-20 19:44:08
● 2026-03-19 12:28:20
● 2026-04-12 02:43:42
●A2606:4700:3037::6815:35a32026-03-19 → 2026-04-12 · 3 obs
○ 2026-02-20 19:44:08
● 2026-03-19 12:28:20
● 2026-04-12 02:43:42
○A2a06:98c1:3120::2026-02-20 → 2026-02-20 · 3 obs
● 2026-02-20 19:44:08
○ 2026-03-19 12:28:20
○ 2026-04-12 02:43:42
○A2a06:98c1:3121::2026-02-20 → 2026-02-20 · 3 obs
● 2026-02-20 19:44:08
○ 2026-03-19 12:28:20
○ 2026-04-12 02:43:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comk.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net, d.gtld-servers.net...-
castudypartner.comalbert.ns.cloudflare.com, emerie.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.58

NS records: albert.ns.cloudflare.com, emerie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for castudypartner.com (unsigned zone)

⏱️ Timing

Total: 116ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.53.163, 172.67.215.42
AAAA22606:4700:3037::6815:35a3, 2606:4700:3031::ac43:d72a
NS2albert.ns.cloudflare.com, emerie.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1albert.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

castudypartner.com is parent of www.castudypartner.com.

IP Addresses

castudypartner.com points to four IP numbers: 2606:4700:3031::ac43:d72a, 2606:4700:3037::6815:35a3, 104.21.53.163 and 172.67.215.42.

Other host names, for instance woyaodu.com, d1d6038ebcbf.siriclub.in, 6cf0b72ca74e.6cf0b72ca74e.6cf0b72ca74e.6cf0b72ca74e.6cf0b72ca74e.6cf0b72ca74e.folderstech.net, www.foto-bischoff.de and hidden-harbor.top share IP numbers with castudypartner.com.

Name Servers

castudypartner.com's delegation is to two name servers albert.ns.cloudflare.com and emerie.ns.cloudflare.com.

castudypartner.com shares the same name server configuration as other domains, such as taxlok.com, necpwa.org.uk, easytaxlibrary.com, damianfiligree.com and tag-sa.co.za.

castudypartner.com at least partially shares its name servers with other domains, for instance buitendelijntjes.nl, visitsfbg.org, myghscloud.com, julietchs.com and weedcat.io.

These name servers are commonly used alongside guss.ns.cloudflare.com and marissa.ns.cloudflare.com.

Host names with six IP numbers:

albert.ns.cloudflare.com points to: 2606:4700:58::adf5:3b3a, 2803:f800:50::6ca2:c13a, 2a06:98c1:50::ac40:213a, 108.162.193.58, 172.64.33.58 and 173.245.59.58.

emerie.ns.cloudflare.com points to: 2606:4700:50::a29f:2673, 2803:f800:50::6ca2:c273, 2a06:98c1:50::ac40:2273, 108.162.194.115, 162.159.38.115 and 172.64.34.115.