algorithmchallenge.org - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

algorithmchallenge.org

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:b87🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:a621🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.11.135Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.166.33🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSannalise.ns.cloudflare.com ⭐
A2606:4700:50::a29f:26ea🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRannalise.ns.cloudflare.com
A2803:f800:50::6ca2:c2ea🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRannalise.ns.cloudflare.com
A2a06:98c1:50::ac40:22ea🇺🇸 Cloudflare2a06:98c1:50::/45
PTRannalise.ns.cloudflare.com
A108.162.194.234🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRannalise.ns.cloudflare.com
A162.159.38.234Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRannalise.ns.cloudflare.com
A172.64.34.234🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRannalise.ns.cloudflare.com
NSjeremy.ns.cloudflare.com
A2606:4700:58::adf5:3bb4🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjeremy.ns.cloudflare.com
A2803:f800:50::6ca2:c1b4🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjeremy.ns.cloudflare.com
A2a06:98c1:50::ac40:21b4🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjeremy.ns.cloudflare.com
A108.162.193.180🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjeremy.ns.cloudflare.com
A172.64.33.180🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjeremy.ns.cloudflare.com
A173.245.59.180🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjeremy.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.11.135, 172.67.166.33
IPv6 hints2606:4700:3030::6815:b87, 2606:4700:3036::ac43:a621
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=244, name=cloudflare-ech.com
SOAannalise.ns.cloudflare.comdns@cloudflare.com serial=2413185344

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1788732016

Same first word

algorithmchallenge.org

Previous names

algorismus.org
algorist.org
algorists.org
algorisyncince.org
algorith.org
algorithm-archive.org
algorithm-class.org
algorithm-lab.org
algorithm-law.org
algorithm-visualizer.org
algorithm.org
algorithma.org
algorithmaccounting.org
algorithmadivina.org
algorithmai.org
algorithmanalysis.org
algorithmas.org
algorithmblacksmith.org
algorithmbox.org

Next names

algorithmclassification.org
algorithmconsulting.org
algorithme-pharma.org
algorithmen.org
algorithmepharma.org
algorithmes.org
algorithmforgood.org
algorithmfoundry.org
algorithmhealth.org
algorithmi.org
algorithmia.org
algorithmic-dynamics.org
algorithmic-relations.org
algorithmic-robotics.org
algorithmic3d.org
algorithmica.org
algorithmically.org
algorithmicallyanimated.org
algorithmicavengers.org

DNS History

6 records (6 active, 0 former)

NSannalise.ns.cloudflare.comjeremy.ns.cloudflare.comA104.21.11.135172.67.166.332606:4700:3030::6815:b872606:4700:3036::ac43:a621
●NSannalise.ns.cloudflare.com2026-09-04 → 2026-09-06 · 2 obs
● 2026-09-04 05:28:44
● 2026-09-06 22:42:30
●NSjeremy.ns.cloudflare.com2026-09-04 → 2026-09-06 · 2 obs
● 2026-09-04 05:28:44
● 2026-09-06 22:42:30
●A104.21.11.1352026-09-04 → 2026-09-06 · 2 obs
● 2026-09-04 05:28:44
● 2026-09-06 22:42:30
●A172.67.166.332026-09-04 → 2026-09-06 · 2 obs
● 2026-09-04 05:28:44
● 2026-09-06 22:42:30
●A2606:4700:3030::6815:b872026-09-04 → 2026-09-06 · 2 obs
● 2026-09-04 05:28:44
● 2026-09-06 22:42:30
●A2606:4700:3036::ac43:a6212026-09-04 → 2026-09-06 · 2 obs
● 2026-09-04 05:28:44
● 2026-09-06 22:42:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
algorithmchallenge.orgjeremy.ns.cloudflare.com, annalise.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.234

NS records: jeremy.ns.cloudflare.com, annalise.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for algorithmchallenge.org (unsigned zone)

⏱️ Timing

Total: 578ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.166.33, 104.21.11.135
AAAA22606:4700:3036::ac43:a621, 2606:4700:3030::6815:b87
NS2annalise.ns.cloudflare.com, jeremy.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1annalise.ns.cloudflare.com dns.cloudflar

Analysis

IP Addresses

algorithmchallenge.org directs to four IP numbers, which are 104.21.11.135, 172.67.166.33, 2606:4700:3030::6815:b87 and 2606:4700:3036::ac43:a621.

Additional host names — beidougames.com, acluvamerica.com, moonwin-online-casinos.com and two others — share IP numbers with algorithmchallenge.org.

Name Servers

The NS records for algorithmchallenge.org delegate to annalise.ns.cloudflare.com and jeremy.ns.cloudflare.com.

algorithmchallenge.org shares its name server setup with other domains, including alonegaming9416.workers.dev, polihuh.workers.dev, orchilira.store and two others.

There is at least partial name server overlap between algorithmchallenge.org and other domains — expandriumq.co, 67660050.com, iallowyoutoseewhatihavefornow.com and two more among them.

These name servers frequently co-occur with the name servers dina.ns.cloudflare.com and noah.ns.cloudflare.com.

Host names with 6 IP numbers:

annalise.ns.cloudflare.com maps to 108.162.194.234, 162.159.38.234, 172.64.34.234 and 3 additional IP addresses.

jeremy.ns.cloudflare.com maps to 108.162.193.180, 172.64.33.180, 173.245.59.180 and 3 additional IP addresses.