mail.duas.org - robtex.com

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

mail.duas.org

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:10cb🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:d7e8🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.16.203Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.215.232🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.16.203, 172.67.215.232
IPv6 hints2606:4700:3035::6815:10cb, 2606:4700:3035::ac43:d7e8
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=54, name=cloudflare-ech.com

duas.org

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:10cb🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:d7e8🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.16.203Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.215.232🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSedna.ns.cloudflare.com ⭐
NSpranab.ns.cloudflare.com
MX_dc-mx.4e87b5054332.duas.org ⭐
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.16.203, 172.67.215.232
IPv6 hints2606:4700:3035::6815:10cb, 2606:4700:3035::ac43:d7e8
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=54, name=cloudflare-ech.com
SOAedna.ns.cloudflare.comdns@cloudflare.com serial=2408650693
WOT: SAFE (62/100)
rank #295019 globally
rank #23212 in the tld
WOT: SAFE (69/100)
📈 Tranco rank: #197,029

Previously MX for

duas.org
www.duas.org

Same first word

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DNS History

8 records (4 active, 4 former)

20162017201820192020202120222023202420252026A104.21.16.203172.67.215.2322606:4700:3035::6815:10cb2606:4700:3035::ac43:d7e8159.65.194.2542606:4700:3030::ac43:d7e82606:4700:3033::6815:10cb50.97.51.170
●A104.21.16.2032026-03-22 → 2026-08-17 · 3 obs
○ 2026-03-08 01:54:38
● 2026-03-22 08:11:02
● 2026-08-17 09:41:10
○A159.65.194.2542026-02-22 → 2026-03-08 · 5 obs
○ 2017-01-04 15:09:00
● 2026-02-22 08:26:54
● 2026-03-08 01:54:38
○ 2026-03-22 08:11:02
○ 2026-08-17 09:41:10
●A172.67.215.2322026-03-22 → 2026-08-17 · 3 obs
○ 2026-03-08 01:54:38
● 2026-03-22 08:11:02
● 2026-08-17 09:41:10
○A2606:4700:3030::ac43:d7e82026-03-22 → 2026-06-15 · 5 obs
○ 2026-03-08 01:54:38
● 2026-03-22 08:11:02
● 2026-06-15 19:48:48
○ 2026-06-25 10:27:18
○ 2026-08-17 09:41:10
○A2606:4700:3033::6815:10cb2026-03-22 → 2026-06-15 · 5 obs
○ 2026-03-08 01:54:38
● 2026-03-22 08:11:02
● 2026-06-15 19:48:48
○ 2026-06-25 10:27:18
○ 2026-08-17 09:41:10
●A2606:4700:3035::6815:10cb2026-06-25 → 2026-08-17 · 3 obs
○ 2026-06-15 19:48:48
● 2026-06-25 10:27:18
● 2026-08-17 09:41:10
●A2606:4700:3035::ac43:d7e82026-06-25 → 2026-08-17 · 3 obs
○ 2026-06-15 19:48:48
● 2026-06-25 10:27:18
● 2026-08-17 09:41:10
○A50.97.51.1702015-06-26 → 2017-01-04 · 4 obs
● 2015-06-26 02:19:58
● 2017-01-04 15:09:00
○ 2026-02-22 08:26:54
○ 2026-08-17 09:41:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
duas.orgedna.ns.cloudflare.com, pranab.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.109

NS records: edna.ns.cloudflare.com, pranab.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for duas.org (unsigned zone)

⏱️ Timing

Total: 406ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.16.203, 172.67.215.232
AAAA22606:4700:3035::ac43:d7e8, 2606:4700:3035::6815:10cb
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.duas.org resolves to four IP addresses: 104.21.16.203, 172.67.215.232, 2606:4700:3035::6815:10cb and 2606:4700:3035::ac43:d7e8.

sismme.it, l.xt435.doctorimpact.com, gemini-openai-proxy--1.eeecvv.workers.dev and two other host names share IP numbers with mail.duas.org.