mail.mrariott.com - robtex.com

mail.mrariott.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:34a6🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:c956🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.166Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.201.86🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.166, 172.67.201.86
IPv6 hints2606:4700:3030::6815:34a6, 2606:4700:3031::ac43:c956
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=201, name=cloudflare-ech.com

mrariott.com

DNSSEC⚠️ Not signed
A2606:4700:3030::6815:34a6🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:c956🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.52.166Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.201.86🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSduke.ns.cloudflare.com ⭐
NSmarjory.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.52.166, 172.67.201.86
IPv6 hints2606:4700:3030::6815:34a6, 2606:4700:3031::ac43:c956
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=201, name=cloudflare-ech.com
SOAduke.ns.cloudflare.comdns@cloudflare.com serial=2409881264

Previously MX for

mrariott.com

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DNS History

5 records (4 active, 1 former)

201820192020202120222023202420252026A104.21.52.166172.67.201.862606:4700:3030::6815:34a62606:4700:3031::ac43:c956192.185.16.246
●A104.21.52.1662026-08-02 → 2026-08-02 · 2 obs
○ 2017-02-10 01:48:12
● 2026-08-02 07:45:24
●A172.67.201.862026-08-02 → 2026-08-02 · 2 obs
○ 2017-02-10 01:48:12
● 2026-08-02 07:45:24
○A192.185.16.2462017-02-10 → 2017-02-10 · 2 obs
● 2017-02-10 01:48:12
○ 2026-08-02 07:45:24
●A2606:4700:3030::6815:34a62026-08-02 → 2026-08-02 · 2 obs
○ 2017-02-10 01:48:12
● 2026-08-02 07:45:24
●A2606:4700:3031::ac43:c9562026-08-02 → 2026-08-02 · 2 obs
○ 2017-02-10 01:48:12
● 2026-08-02 07:45:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
mrariott.comduke.ns.cloudflare.com, marjory.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.193

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mrariott.com (unsigned zone)

⏱️ Timing

Total: 166ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.201.86, 104.21.52.166
AAAA22606:4700:3031::ac43:c956, 2606:4700:3030::6815:34a6
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (duke.ns.cloudflare.com, duke.ns.cloudflare.com, duke.ns.cloudflare.com...)

Analysis

IP Addresses

mail.mrariott.com resolves to four IP addresses: 104.21.52.166, 172.67.201.86, 2606:4700:3030::6815:34a6 and 2606:4700:3031::ac43:c956.

Two other host names, along with capami.ie, globalenergyworld.com and send.eu.secretroomgo42.com, also share IP numbers with mail.mrariott.com.