datascienceinterviewprep.org - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

datascienceinterviewprep.org

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:10a5Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3032::ac43:d6dbCloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.16.165Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.214.219Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSamanda.ns.cloudflare.com ⭐
NSduke.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.16.165, 172.67.214.219
IPv6 hints2606:4700:3032::6815:10a5, 2606:4700:3032::ac43:d6db
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=195, name=cloudflare-ech.com
SOAamanda.ns.cloudflare.comdns@cloudflare.com serial=2416748524

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=1792940860

Same first word

datascienceinterviewprep.org

DNS History

10 records (6 active, 4 former)

NSamanda.ns.cloudflare.comduke.ns.cloudflare.comA104.21.16.165172.67.214.2192606:4700:3032::6815:10a52606:4700:3032::ac43:d6db188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●NSamanda.ns.cloudflare.com2026-09-28 → 2026-10-25 · 2 obs
● 2026-09-28 06:15:32
● 2026-10-25 15:54:08
●NSduke.ns.cloudflare.com2026-09-28 → 2026-10-25 · 2 obs
● 2026-09-28 06:15:32
● 2026-10-25 15:54:08
●A104.21.16.1652026-10-08 → 2026-10-25 · 3 obs
○ 2026-09-28 06:15:32
● 2026-10-08 02:34:12
● 2026-10-25 15:54:08
●A172.67.214.2192026-10-08 → 2026-10-25 · 3 obs
○ 2026-09-28 06:15:32
● 2026-10-08 02:34:12
● 2026-10-25 15:54:08
○A188.114.96.02026-09-28 → 2026-09-28 · 3 obs
● 2026-09-28 06:15:32
○ 2026-10-08 02:34:12
○ 2026-10-25 15:54:08
○A188.114.97.02026-09-28 → 2026-09-28 · 3 obs
● 2026-09-28 06:15:32
○ 2026-10-08 02:34:12
○ 2026-10-25 15:54:08
●A2606:4700:3032::6815:10a52026-10-08 → 2026-10-25 · 3 obs
○ 2026-09-28 06:15:32
● 2026-10-08 02:34:12
● 2026-10-25 15:54:08
●A2606:4700:3032::ac43:d6db2026-10-08 → 2026-10-25 · 3 obs
○ 2026-09-28 06:15:32
● 2026-10-08 02:34:12
● 2026-10-25 15:54:08
○A2a06:98c1:3120::2026-09-28 → 2026-09-28 · 3 obs
● 2026-09-28 06:15:32
○ 2026-10-08 02:34:12
○ 2026-10-25 15:54:08
○A2a06:98c1:3121::2026-09-28 → 2026-09-28 · 3 obs
● 2026-09-28 06:15:32
○ 2026-10-08 02:34:12
○ 2026-10-25 15:54:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgd0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org-
datascienceinterviewprep.orgduke.ns.cloudflare.com, amanda.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.110

NS records: duke.ns.cloudflare.com, amanda.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for datascienceinterviewprep.org (unsigned zone)

⏱️ Timing

Total: 2179ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.214.219, 104.21.16.165
AAAA22606:4700:3032::6815:10a5, 2606:4700:3032::ac43:d6db
NS2amanda.ns.cloudflare.com, duke.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1amanda.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

datascienceinterviewprep.org points to the four IP addresses 104.21.16.165, 172.67.214.219, 2606:4700:3032::6815:10a5 and 2606:4700:3032::ac43:d6db.

Name Servers

Two name servers handle the delegation for datascienceinterviewprep.org: amanda.ns.cloudflare.com and duke.ns.cloudflare.com.