gruposym.com.br

Valid Email Server
Domain Lookup › gruposym.com.br

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gruposym.com.br
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-29 03:23:18 UTC · ↺ Refresh

MX Hostnames

  • mail.wmi.solutions

MX Priorities

  • mail.wmi.solutions: 5

A / AAAA Records

  • 35.171.141.135 ↩ ec2-35-171-141-135.compute-1.amazonaws.com

Mail Server IPs

  • 38.225.236.121 (no PTR)

SOA Record

Raw SOA ns-1455.awsdns-53.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1455.awsdns-53.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns-461.awsdns-57.com
ns-738.awsdns-28.net
ns-1455.awsdns-53.org
ns-1559.awsdns-02.co.uk

SPF Record

✓ Strict (-all)
v=spf1 a:mx1.wh1.net.br/32 a:mx2.wh1.net.br/32 include:_spf.kmitd.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: s1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

4 records
  • MS=ms62367922
  • SPFv=spf1 a:mx1.wh1.net.br/32 a:mx2.wh1.net.br/32 include:_spf.kmitd.com -all
  • SPFv=spf1 include:_spf.rdstation.com.br ~all
  • 2dsipmbq4klofh1r7vveejv8k4
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 gruposym.com.br

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits