c3cloud.com

Valid Email Server
Domain Lookup › c3cloud.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
c3cloud.com
Yes
✓ Yes
Amazon SES
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-30 10:55:13 UTC · ↺ Refresh

MX Hostnames

  • inbound-smtp.us-east-1.amazonaws.com
  • 162.245.37.204

MX Priorities

  • inbound-smtp.us-east-1.amazonaws.com: 5
  • 162.245.37.204: 100

A / AAAA Records

  • 142.93.201.195 (no PTR)

Mail Server IPs

  • 44.210.166.32 ↩ ec2-44-210-166-32.compute-1.amazonaws.com
  • 3.211.210.226 ↩ ec2-3-211-210-226.compute-1.amazonaws.com
  • 54.164.173.191 ↩ ec2-54-164-173-191.compute-1.amazonaws.com
  • 54.197.5.236 ↩ ec2-54-197-5-236.compute-1.amazonaws.com
  • 44.206.9.87 ↩ ec2-44-206-9-87.compute-1.amazonaws.com
  • 162.245.37.204 ↩ webmail.c3lab365.us
  • ::ffff:a2f5:25cc ↩ webmail.c3lab365.us

SOA Record

Raw SOA ns1.c3cloud.com postmaster.c3cloud.com 2020032689 1200 600 1209600 3600
Primary NS (mname)
ns1.c3cloud.com
Admin Email (rname)
postmaster@c3cloud.com
Serial
2020032689
Refresh
1200s
Retry
600s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

ns4.c3cloud.com
ns2.c3cloud.com
ns3.c3cloud.com
ns1.c3cloud.com

SPF Record

✓ Soft Fail (~all)
v=spf1 mx include:_sp
📊 DNS lookups: 2/10

DMARC Record

✗ p=none
v=DMARC1;p=none;fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

8 records
  • MS=ms36919386
  • SPFv=spf1 mx include:_sp
  • sophos-domain-verification=2448827abd943239b664ea265d83c665985abd45
  • cisco-ci-domain-verification=512eacda55aa6dd89a1b88b75ecb9cf83602543a3bd8ca42dd93c1fc669666a9
  • _ot7nmp6c849bnuafqc87qhb3tjoj896
  • pardot927383=ea6b6ff79fb68f77b4c2d0375d9314a51cc49b42f33ae53a22e32139ad85761a
  • ppe-326fe4803b337a193f61
  • MS=C43EC9AF34B1983F0B0F840D3FB4D0E39F9EF01C
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