Domain Overview
DNS: ✓ 2h ago
Checker: ✓ 2h ago
cmed.es
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-09-23 07:47:12 UTC · ↺ Refresh
MX Hostnames
- cmed-es.mail.protection.outlook.com
MX Priorities
- cmed-es.mail.protection.outlook.com: 0
A / AAAA Records
- 137.74.54.31 ↩ ip31.dualsolution.com
Mail Server IPs
- 52.101.91.0 ↩ mail-ma2p292cu00400.inbound.protection.outlook.com
- 52.101.91.3 ↩ mail-ma2p292cu00303.inbound.protection.outlook.com
- 52.101.91.2 ↩ mail-ma3p292cu00202.inbound.protection.outlook.com
- 52.101.91.1 ↩ mail-ma4p292cu00201.inbound.protection.outlook.com
- 2a01:111:f403:ca21::2 ↩ mail-ma3p292cu00202.inbound.protection.outlook.com
- 2a01:111:f403:ca21:: ↩ mail-ma2p292cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca21::1 ↩ mail-ma4p292cu00201.inbound.protection.outlook.com
- 2a01:111:f403:ca21::3 ↩ mail-ma2p292cu00303.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dualsolution.com gfdigestivo.dualsolution.com 1787508729 10800 3600 604800 10800
Primary NS (mname)
ns1.dualsolution.com
Admin Email (rname)
gfdigestivo@dualsolution.com
Serial
1787508729
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
ns1.dualsolution.com
ns2.dualsolution.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1;adkim=r;aspf=r;p=none;sp=reject;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
3 records- MS=ms84456352
- google-site-verification=is5Z_wYHK-OAPjrlNB-tWZoh67ML-D_MZqWZ9X9ChGU
- SPFv=spf1 include:spf.protection.outlook.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 · Customize →
See demo & docs
Deep verification
Full email verification for cmed.es
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits