cass4u.com - robtex.com

cass4u.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:3fcb🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:960f🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.63.203Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.150.15🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdonald.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b9e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonald.ns.cloudflare.com
A2803:f800:50::6ca2:c19e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdonald.ns.cloudflare.com
A2a06:98c1:50::ac40:219e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdonald.ns.cloudflare.com
A108.162.193.158🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonald.ns.cloudflare.com
A172.64.33.158🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonald.ns.cloudflare.com
A173.245.59.158🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdonald.ns.cloudflare.com
NStara.ns.cloudflare.com
A2606:4700:50::adf5:3ae1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtara.ns.cloudflare.com
A2803:f800:50::6ca2:c0e1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRtara.ns.cloudflare.com
A2a06:98c1:50::ac40:20e1🇺🇸 Cloudflare2a06:98c1:50::/45
PTRtara.ns.cloudflare.com
A108.162.192.225🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtara.ns.cloudflare.com
A172.64.32.225🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtara.ns.cloudflare.com
A173.245.58.225🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRtara.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.63.203, 172.67.150.15
IPv6 hints2606:4700:3030::6815:3fcb, 2606:4700:3036::ac43:960f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=52, name=cloudflare-ech.com
SOAdonald.ns.cloudflare.comdns@cloudflare.com serial=2399067981

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=1777029351

Same first word

cass4u.com

DNS History

10 records (6 active, 4 former)

NSdonald.ns.cloudflare.comtara.ns.cloudflare.comA104.21.63.203172.67.150.152606:4700:3030::6815:3fcb2606:4700:3036::ac43:960f188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSdonald.ns.cloudflare.com2026-02-20 → 2026-04-24 · 2 obs
● 2026-02-20 01:54:52
● 2026-04-24 11:18:58
●NStara.ns.cloudflare.com2026-02-20 → 2026-04-24 · 2 obs
● 2026-02-20 01:54:52
● 2026-04-24 11:18:58
●A104.21.63.2032026-02-20 → 2026-04-24 · 4 obs
● 2026-02-20 01:54:52
○ 2026-02-24 19:58:44
● 2026-04-21 11:46:12
● 2026-04-24 11:18:58
●A172.67.150.152026-02-20 → 2026-04-24 · 4 obs
● 2026-02-20 01:54:52
○ 2026-02-24 19:58:44
● 2026-04-21 11:46:12
● 2026-04-24 11:18:58
○A188.114.96.02026-02-24 → 2026-02-24 · 4 obs
○ 2026-02-20 01:54:52
● 2026-02-24 19:58:44
○ 2026-04-21 11:46:12
○ 2026-04-24 11:18:58
○A188.114.97.02026-02-24 → 2026-02-24 · 4 obs
○ 2026-02-20 01:54:52
● 2026-02-24 19:58:44
○ 2026-04-21 11:46:12
○ 2026-04-24 11:18:58
●A2606:4700:3030::6815:3fcb2026-02-20 → 2026-04-24 · 4 obs
● 2026-02-20 01:54:52
○ 2026-02-24 19:58:44
● 2026-04-21 11:46:12
● 2026-04-24 11:18:58
●A2606:4700:3036::ac43:960f2026-02-20 → 2026-04-24 · 4 obs
● 2026-02-20 01:54:52
○ 2026-02-24 19:58:44
● 2026-04-21 11:46:12
● 2026-04-24 11:18:58
○A2a06:98c1:3120::2026-02-24 → 2026-02-24 · 4 obs
○ 2026-02-20 01:54:52
● 2026-02-24 19:58:44
○ 2026-04-21 11:46:12
○ 2026-04-24 11:18:58
○A2a06:98c1:3121::2026-02-24 → 2026-02-24 · 4 obs
○ 2026-02-20 01:54:52
● 2026-02-24 19:58:44
○ 2026-04-21 11:46:12
○ 2026-04-24 11:18:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net, k.gtld-servers.net...-
cass4u.comdonald.ns.cloudflare.com, tara.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.225

NS records: donald.ns.cloudflare.com, tara.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cass4u.com (unsigned zone)

⏱️ Timing

Total: 1477ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.63.203, 172.67.150.15
AAAA22606:4700:3036::ac43:960f, 2606:4700:3030::6815:3fcb
NS2donald.ns.cloudflare.com, tara.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1donald.ns.cloudflare.com dns.cloudflare.

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

cass4u.com resolves to four IPs: 2606:4700:3030::6815:3fcb, 2606:4700:3036::ac43:960f, 104.21.63.203 and 172.67.150.15.

Other host names, for instance ns0.radiotoolbox.com, mpo333n.com, play-coolbet.com, artikel.insite.dk and suzanneosullivan.co.uk share IP numbers with cass4u.com.

Name Servers

cass4u.com has two name servers: donald.ns.cloudflare.com and tara.ns.cloudflare.com.

cass4u.com shares the same name server setup as other domains, for example justin.city, greatergreener.net, gifs(0x706f726e)tube.com, convocatoriasdetrabajo.com and uts.lt.

cass4u.com shares some name servers with other domains, for example geterosafonadvisorynet.digital, studionextorbit.digital, design-programming.net, weeklyreviewer.com and evolvesynthbase.click.

These name servers are commonly used together with magnolia.ns.cloudflare.com and noah.ns.cloudflare.com.

Host names with six IP numbers: donald.ns.cloudflare.com points to: 2606:4700:58::adf5:3b9e, 2803:f800:50::6ca2:c19e, 2a06:98c1:50::ac40:219e, 108.162.193.158, 172.64.33.158 and 173.245.59.158; tara.ns.cloudflare.com points to: 2606:4700:50::adf5:3ae1, 2803:f800:50::6ca2:c0e1, 2a06:98c1:50::ac40:20e1, 108.162.192.225, 172.64.32.225 and 173.245.58.225.