Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
caicos.consulting
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 03:05:37 UTC · ↺ Refresh
MX Hostnames
- mx.runbox.com
MX Priorities
- mx.runbox.com: 10
A / AAAA Records
- 76.76.21.21 (no PTR)
Mail Server IPs
- 185.226.149.25 ↩ aibo.runbox.com
SOA Record
Raw SOA
curitiba.ns.porkbun.com dns.cloudflare.com 2393290312 10000 2400 604800 1800
Primary NS (mname)
curitiba.ns.porkbun.com
Admin Email (rname)
dns@cloudflare.com
Serial
2393290312
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
curitiba.ns.porkbun.com
fortaleza.ns.porkbun.com
maceio.ns.porkbun.com
salvador.ns.porkbun.com
SPF Record
✓ Strict (-all)
v=spf1 a mx include:spf.mtasv.net include:spf.runbox.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; pct=100; rua=mailto:[email protected]; sp=none; aspf=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- google-site-verification=o1pWPu4Y2vlUmJwvbcSrhETRuRV-o25jrmVPvMbrfh0
- SPFv=spf1 a mx include:spf.mtasv.net include:spf.runbox.com -all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for caicos.consulting
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits