Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ctonline.mx
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-01 22:44:44 UTC · ↺ Refresh
MX Hostnames
- mail.ctonline.mx
MX Priorities
- mail.ctonline.mx: 1
A / AAAA Records
- 172.67.74.177 (no PTR)
- 104.26.11.55 (no PTR)
- 104.26.10.55 (no PTR)
- 2606:4700:20::681a:a37 (no PTR)
- 2606:4700:20::681a:b37 (no PTR)
- 2606:4700:20::ac43:4ab1 (no PTR)
Mail Server IPs
- 104.26.10.55 (no PTR)
- 104.26.11.55 (no PTR)
- 172.67.74.177 (no PTR)
- 2606:4700:20::681a:b37 (no PTR)
- 2606:4700:20::681a:a37 (no PTR)
- 2606:4700:20::ac43:4ab1 (no PTR)
SOA Record
Raw SOA
dara.ns.cloudflare.com dns.cloudflare.com 2399468023 10000 2400 604800 1800
Primary NS (mname)
dara.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399468023
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
fred.ns.cloudflare.com
dara.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.ipzmarketing.com a mx include:spf.mtasv.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=reject;pct=100;rua=mailto:[email protected];ruf=mailto:[email protected];ri=86400;aspf=r;adkim=r;fo=1
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✗ None detectedNo 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
5 records- kd3pn99v3i5hak24gj796tn9gr
- SPFv=spf1 include:spf.ipzmarketing.com a mx include:spf.mtasv.net ~all
- 20stn0bk74s43dh4g2t4kbq5cm
- g52t879cb6pedkbpghq3s794dr
- google-site-verification=TsmX-OqpDHsyclJ69mF5ocHQex2muXvjNnr92_KgQGE
Full email verification for ctonline.mx
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