Domain Overview
DNS: ✓ 2h ago
Checker: ✓ 2h ago
cstconsultores.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-23 08:21:11 UTC · ↺ Refresh
MX Hostnames
- mail.cstconsultores.com
MX Priorities
- mail.cstconsultores.com: 10
A / AAAA Records
- 75.2.60.5 ↩ acd89244c803f7181.awsglobalaccelerator.com
Mail Server IPs
- 82.194.74.61 ↩ server2.progresoweb.com
SOA Record
Raw SOA
ns2.cstconsultores.com jagarcia.progresoweb.es 2026081901 10800 3600 1209600 10800
Primary NS (mname)
ns2.cstconsultores.com
Admin Email (rname)
jagarcia@progresoweb.es
Serial
2026081901
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
ns1.cstconsultores.com
ns2.cstconsultores.com
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx ip4:82.194.74.63 ip4:82.194.74.61 ip4:82.194.74.64 -all +a:server.progresoweb.com
📊 DNS lookups: 3/10
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
default._domainkey
mail._domainkey
✓ Public key: 392 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- SPFv=spf1 +a +mx ip4:82.194.74.63 ip4:82.194.74.61 ip4:82.194.74.64 -all +a:server.progresoweb.com
- brevo-code:1ead1c33a90b6f08e60b3dac918622e0
- brevo-code:81b10be6b0bd27f138a0b9b4ba1347f7
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 cstconsultores.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits