duck.mathunity.org - dns.ninja

duck.mathunity.org

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:8d0f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:2902🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.41.2Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.141.15🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.41.2, 172.67.141.15
IPv6 hints2606:4700:3031::ac43:8d0f, 2606:4700:3037::6815:2902
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=212, name=cloudflare-ech.com

mathunity.org

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:8d0f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:2902🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.41.2Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.141.15🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSgloria.ns.cloudflare.com ⭐
NSphil.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.41.2, 172.67.141.15
IPv6 hints2606:4700:3031::ac43:8d0f, 2606:4700:3037::6815:2902
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=212, name=cloudflare-ech.com
SOAgloria.ns.cloudflare.comdns@cloudflare.com serial=2406673848

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DNS History

6 records (4 active, 2 former)

A104.21.41.2172.67.141.152606:4700:3031::ac43:8d0f2606:4700:3037::6815:29022606:4700:3031::6815:29022606:4700:3036::ac43:8d0f
●A104.21.41.22026-05-21 → 2026-06-28 · 2 obs
● 2026-05-21 07:45:00
● 2026-06-28 09:54:10
●A172.67.141.152026-05-21 → 2026-06-28 · 2 obs
● 2026-05-21 07:45:00
● 2026-06-28 09:54:10
○A2606:4700:3031::6815:29022026-05-21 → 2026-05-31 · 3 obs
● 2026-05-21 07:45:00
● 2026-05-31 12:01:44
○ 2026-06-28 09:54:10
●A2606:4700:3031::ac43:8d0f2026-06-28 → 2026-06-28 · 2 obs
○ 2026-05-31 12:01:44
● 2026-06-28 09:54:10
○A2606:4700:3036::ac43:8d0f2026-05-21 → 2026-05-31 · 3 obs
● 2026-05-21 07:45:00
● 2026-05-31 12:01:44
○ 2026-06-28 09:54:10
●A2606:4700:3037::6815:29022026-06-28 → 2026-06-28 · 2 obs
○ 2026-05-31 12:01:44
● 2026-06-28 09:54:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
mathunity.orgphil.ns.cloudflare.com, gloria.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.59.137

NS records: phil.ns.cloudflare.com, gloria.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mathunity.org (unsigned zone)

⏱️ Timing

Total: 213ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.141.15, 104.21.41.2
AAAA22606:4700:3031::ac43:8d0f, 2606:4700:3037::6815:2902
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

duck.mathunity.org resolves to four IP addresses: 104.21.41.2, 172.67.141.15, 2606:4700:3031::ac43:8d0f and 2606:4700:3037::6815:2902.

taitran.app, www.clipx16.com, yotrapi.za.com plus two other host names have IP numbers in common with duck.mathunity.org.