Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
totalseguridade.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-20 04:01:32 UTC · ↺ Refresh
MX Hostnames
- smtprin2.f1.k8.com.br
MX Priorities
- smtprin2.f1.k8.com.br: 10
A / AAAA Records
- 104.156.247.183 ↩ 104.156.247.183.vultrusercontent.com
- 108.61.89.136 ↩ 108.61.89.136.vultrusercontent.com
- 45.55.107.236 (no PTR)
Mail Server IPs
- 187.73.32.132 ↩ smtprin2.f1.k8.com.br
SOA Record
Raw SOA
nsb1.k8.com.br dnsmasters.k8.com.br 22 3600 300 604800 3600
Primary NS (mname)
nsb1.k8.com.br
Admin Email (rname)
dnsmasters@k8.com.br
Serial
22
Refresh
3600s
Retry
300s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
nsb5.k8.com.br
nsb6.k8.com.br
nsb1.k8.com.br
nsb2.k8.com.br
nsb3.k8.com.br
nsb4.k8.com.br
SPF Record
✓ Soft Fail (~all)
v=spf1 a:mxr.f1.k8.com.br ?all
📊 DNS lookups: 1/10
? Neutral (?all) — no enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 a:mxr.f1.k8.com.br ?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 totalseguridade.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits