classus.cloud - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

classus.cloud

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:3f7🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:8360🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.3.247Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.131.96🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjakub.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c55🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjakub.ns.cloudflare.com
A2803:f800:50::6ca2:c355🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjakub.ns.cloudflare.com
A2a06:98c1:50::ac40:2355🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjakub.ns.cloudflare.com
A108.162.195.85🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjakub.ns.cloudflare.com
A162.159.44.85Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjakub.ns.cloudflare.com
A172.64.35.85🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjakub.ns.cloudflare.com
NSsky.ns.cloudflare.com
A2606:4700:50::a29f:2602🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsky.ns.cloudflare.com
A2803:f800:50::6ca2:c202🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsky.ns.cloudflare.com
A2a06:98c1:50::ac40:2202🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsky.ns.cloudflare.com
A108.162.194.2🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsky.ns.cloudflare.com
A162.159.38.2Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsky.ns.cloudflare.com
A172.64.34.2🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsky.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.3.247, 172.67.131.96
IPv6 hints2606:4700:3030::6815:3f7, 2606:4700:3031::ac43:8360
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=252, name=cloudflare-ech.com
SOAjakub.ns.cloudflare.comdns@cloudflare.com serial=2414394118

cloud

DNSSEC🔒 Signed (DS record present)
NSns01.trs-dns.com ⭐
NSns.trs-dns.com
NSns01.trs-dns.net
NSns10.trs-dns.info
NSns10.trs-dns.org
SOAns.trs-dns.comtrs-ops@tucows.com serial=1793338229

Same first word

classus.cloud
classus.me
classus.click

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lscsusa.com
usclass.net

Previous names

classin.cloud
classio.cloud
classive.cloud
classivirtuali.cloud
classix.cloud
classlink.cloud
classly.cloud
classmart.cloud
classmaster.cloud
classmate.cloud
classmint.cloud
classpilot.cloud
classplus.cloud
classprime.cloud
classroom.cloud
classroomai.cloud
classroomglasscr.cloud
classrooms.cloud
classsync.cloud
classti.cloud

Next names

classvault.cloud
classvision.cloud
classwork.cloud
classy.cloud
classyai.cloud
classymo.cloud
clastix.cloud
clatape.cloud
claudaborative.cloud
claudam.cloud
claudbotabin.cloud
claude-agent.cloud
claude-api.cloud
claude-claw.cloud
claude-code.cloud
claude-flow.cloud
claude-workshop.cloud
claude-zhongzhuan.cloud
claude.cloud

DNS History

6 records (6 active, 0 former)

NSjakub.ns.cloudflare.comsky.ns.cloudflare.comA104.21.3.247172.67.131.962606:4700:3030::6815:3f72606:4700:3031::ac43:8360
●NSjakub.ns.cloudflare.com2026-09-11 → 2026-10-30 · 2 obs
● 2026-09-11 23:31:10
● 2026-10-30 05:36:54
●NSsky.ns.cloudflare.com2026-09-11 → 2026-10-30 · 2 obs
● 2026-09-11 23:31:10
● 2026-10-30 05:36:54
●A104.21.3.2472026-09-11 → 2026-10-30 · 2 obs
● 2026-09-11 23:31:10
● 2026-10-30 05:36:54
●A172.67.131.962026-09-11 → 2026-10-30 · 2 obs
● 2026-09-11 23:31:10
● 2026-10-30 05:36:54
●A2606:4700:3030::6815:3f72026-09-11 → 2026-10-30 · 2 obs
● 2026-09-11 23:31:10
● 2026-10-30 05:36:54
●A2606:4700:3031::ac43:83602026-09-11 → 2026-10-30 · 2 obs
● 2026-09-11 23:31:10
● 2026-10-30 05:36:54

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cloudns10.trs-dns.org, ns01.trs-dns.net, ns01.trs-dns.com, ns10.trs-dns.info8 records
classus.cloudsky.ns.cloudflare.com, jakub.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.44.85

NS records: sky.ns.cloudflare.com, jakub.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classus.cloud (unsigned zone)

⏱️ Timing

Total: 1331ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.3.247, 172.67.131.96
AAAA22606:4700:3031::ac43:8360, 2606:4700:3030::6815:3f7
NS2jakub.ns.cloudflare.com, sky.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jakub.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns10.trs-dns.org, ns10.trs-dns.org, ns01.trs-dns.net...)

Analysis

IP Addresses

classus.cloud directs to four IP numbers, which are 104.21.3.247, 172.67.131.96, 2606:4700:3030::6815:3f7 and 2606:4700:3031::ac43:8360.

Additional host names — drnishantnagpal.com, smithsholidayroad.com, vegetarian-dha-epa.co.uk and two others — share IP numbers with classus.cloud.

Name Servers

DNS delegation for classus.cloud points to two name servers: jakub.ns.cloudflare.com and sky.ns.cloudflare.com.

classus.cloud shares its name server setup with other domains, including blurora.icu, xisegino.workers.dev, sowosla.co and two others.

The name servers of classus.cloud overlap at least partially with those of other domains — among them youhaojia.com.cn, zapas.site, saikhon.com and two more.

The name servers hattie.ns.cloudflare.com, tiffany.ns.cloudflare.com and carrera.ns.cloudflare.com are commonly seen alongside these name servers.

Host names with 6 IP numbers:

jakub.ns.cloudflare.com has IP addresses 108.162.195.85, 162.159.44.85 and 172.64.35.85, plus 3 other.

sky.ns.cloudflare.com has IP addresses 108.162.194.2, 162.159.38.2 and 172.64.34.2, plus 3 other.