Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
catsaconstructores.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 19:31:49 UTC · ↺ Refresh
MX Hostnames
- catsaconstructores.com
MX Priorities
- catsaconstructores.com: 0
A / AAAA Records
- 72.249.60.135 ↩ svgtl100.cloud-mx-ns.net
Mail Server IPs
- 72.249.60.135 ↩ svgtl100.cloud-mx-ns.net
SOA Record
Raw SOA
ns401.controldns.mx root.svgtl140.cloud-mx-ns.net 2026020801 3600 1800 1209600 86400
Primary NS (mname)
ns401.controldns.mx
Admin Email (rname)
root@svgtl140.cloud-mx-ns.net
Serial
2026020801
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns402.controldns.mx
ns403.controldns.mx
ns401.controldns.mx
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:72.249.60.135 include:spf.antispamcloud.com +include:relay.mailchannels.net +ip4:65.99.225.168 +ip4:67.225.221.33 +ip4:67.225.220.52 ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✓ 1 found
default._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
1 record- SPFv=spf1 +a +mx +ip4:72.249.60.135 include:spf.antispamcloud.com +include:relay.mailchannels.net +ip4:65.99.225.168 +ip4:67.225.221.33 +ip4:67.225.220.52 ~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 catsaconstructores.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits