classwork.cloud - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

classwork.cloud

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:543f🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:bba8🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.84.63Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.187.168🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjosh.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b7e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosh.ns.cloudflare.com
A2803:f800:50::6ca2:c17e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjosh.ns.cloudflare.com
A2a06:98c1:50::ac40:217e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjosh.ns.cloudflare.com
A108.162.193.126🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosh.ns.cloudflare.com
A172.64.33.126🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosh.ns.cloudflare.com
A173.245.59.126🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjosh.ns.cloudflare.com
NSkarsyn.ns.cloudflare.com
A2606:4700:50::a29f:26c2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkarsyn.ns.cloudflare.com
A2803:f800:50::6ca2:c2c2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkarsyn.ns.cloudflare.com
A2a06:98c1:50::ac40:22c2🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkarsyn.ns.cloudflare.com
A108.162.194.194🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkarsyn.ns.cloudflare.com
A162.159.38.194Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkarsyn.ns.cloudflare.com
A172.64.34.194🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkarsyn.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.84.63, 172.67.187.168
IPv6 hints2606:4700:3035::6815:543f, 2606:4700:3035::ac43:bba8
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=134, name=cloudflare-ech.com
SOAjosh.ns.cloudflare.comdns@cloudflare.com serial=2416730926

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=1793480428

Same first word

Similar names

Previous names

Next names

DNS History

14 records (6 active, 8 former)

NSjosh.ns.cloudflare.comkarsyn.ns.cloudflare.comA104.21.84.63172.67.187.1682606:4700:3035::6815:543f2606:4700:3035::ac43:bba8188.114.96.0188.114.96.4188.114.97.0188.114.97.42a06:98c1:3120::2a06:98c1:3120::42a06:98c1:3121::2a06:98c1:3121::4
●NSjosh.ns.cloudflare.com2026-10-05 → 2026-10-31 · 2 obs
● 2026-10-05 22:12:44
● 2026-10-31 21:50:08
●NSkarsyn.ns.cloudflare.com2026-10-05 → 2026-10-31 · 2 obs
● 2026-10-05 22:12:44
● 2026-10-31 21:50:08
●A104.21.84.632026-10-13 → 2026-10-31 · 5 obs
○ 2026-10-05 22:12:44
● 2026-10-13 05:38:28
○ 2026-10-15 01:16:58
● 2026-10-28 18:41:14
● 2026-10-31 21:50:08
●A172.67.187.1682026-10-13 → 2026-10-31 · 5 obs
○ 2026-10-05 22:12:44
● 2026-10-13 05:38:28
○ 2026-10-15 01:16:58
● 2026-10-28 18:41:14
● 2026-10-31 21:50:08
○A188.114.96.02026-10-15 → 2026-10-15 · 4 obs
○ 2026-10-13 05:38:28
● 2026-10-15 01:16:58
○ 2026-10-16 20:53:10
○ 2026-10-31 21:50:08
○A188.114.96.42026-10-05 → 2026-10-16 · 5 obs
● 2026-10-05 22:12:44
○ 2026-10-13 05:38:28
● 2026-10-16 20:53:10
○ 2026-10-28 18:41:14
○ 2026-10-31 21:50:08
○A188.114.97.02026-10-15 → 2026-10-15 · 4 obs
○ 2026-10-13 05:38:28
● 2026-10-15 01:16:58
○ 2026-10-16 20:53:10
○ 2026-10-31 21:50:08
○A188.114.97.42026-10-05 → 2026-10-16 · 5 obs
● 2026-10-05 22:12:44
○ 2026-10-13 05:38:28
● 2026-10-16 20:53:10
○ 2026-10-28 18:41:14
○ 2026-10-31 21:50:08
●A2606:4700:3035::6815:543f2026-10-13 → 2026-10-31 · 5 obs
○ 2026-10-05 22:12:44
● 2026-10-13 05:38:28
○ 2026-10-15 01:16:58
● 2026-10-28 18:41:14
● 2026-10-31 21:50:08
●A2606:4700:3035::ac43:bba82026-10-13 → 2026-10-31 · 5 obs
○ 2026-10-05 22:12:44
● 2026-10-13 05:38:28
○ 2026-10-15 01:16:58
● 2026-10-28 18:41:14
● 2026-10-31 21:50:08
○A2a06:98c1:3120::2026-10-15 → 2026-10-15 · 4 obs
○ 2026-10-13 05:38:28
● 2026-10-15 01:16:58
○ 2026-10-28 18:41:14
○ 2026-10-31 21:50:08
○A2a06:98c1:3120::42026-10-05 → 2026-10-05 · 3 obs
● 2026-10-05 22:12:44
○ 2026-10-13 05:38:28
○ 2026-10-31 21:50:08
○A2a06:98c1:3121::2026-10-15 → 2026-10-15 · 4 obs
○ 2026-10-13 05:38:28
● 2026-10-15 01:16:58
○ 2026-10-28 18:41:14
○ 2026-10-31 21:50:08
○A2a06:98c1:3121::42026-10-05 → 2026-10-05 · 3 obs
● 2026-10-05 22:12:44
○ 2026-10-13 05:38:28
○ 2026-10-31 21:50:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cloudns10.trs-dns.org, ns01.trs-dns.net, ns01.trs-dns.com, ns10.trs-dns.info-
classwork.cloudjosh.ns.cloudflare.com, karsyn.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.194

NS records: josh.ns.cloudflare.com, karsyn.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classwork.cloud (unsigned zone)

⏱️ Timing

Total: 756ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.84.63, 172.67.187.168
AAAA22606:4700:3035::6815:543f, 2606:4700:3035::ac43:bba8
NS2josh.ns.cloudflare.com, karsyn.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1josh.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

classwork.cloud has four IP addresses: 104.21.84.63, 172.67.187.168, 2606:4700:3035::6815:543f and 2606:4700:3035::ac43:bba8.

Additional host names — byggfakta.today, 20002.net, davnox.com and two others — share IP numbers with classwork.cloud.

Name Servers

The NS records for classwork.cloud delegate to josh.ns.cloudflare.com and karsyn.ns.cloudflare.com.

classwork.cloud shares its name server setup with other domains, including math.ceo, qmmjsbuo.workers.dev, stusilverstein.com and two others.

classwork.cloud shares at least some of its name servers with other domains, including haha7777casinologin.net, qiumiwu07.com.cn, heypinpointsocial.com and two others.

These name servers are frequently paired with the name servers delilah.ns.cloudflare.com and natasha.ns.cloudflare.com.

Host names with 6 IP numbers:

josh.ns.cloudflare.com maps to 108.162.193.126, 172.64.33.126, 173.245.59.126 and 3 additional IP addresses.

karsyn.ns.cloudflare.com maps to 108.162.194.194, 162.159.38.194, 172.64.34.194 and 3 additional IP addresses.